Nearly 30 years ago, the economists Robert Solow and Stephen Roach caused a stir when they pointed out that, for all the billions of dollars being invested in information technology, there was no evidence of a payoff in productivity. Businesses were buying tens of millions of computers every year, and Microsoft had just gone public, netting Bill Gates his first billion. And yet, in what came to be known as the productivity paradox, national statistics showed that not only was productivity growth not accelerating; it was actually slowing down. “You can see the computer age everywhere,” quipped Solow, “but in the productivity statistics.”

Today, we seem to be at a similar historical moment with a new innovation: the much-hyped Internet of Things – the linking of machines and objects to digital networks. Sensors, tags, and other connected gadgets mean that the physical world can now be digitized, monitored, measured, and optimized. As with computers before, the possibilities seem endless, the predictions have been extravagant – and the data have yet to show a surge in productivity.

A year ago, research firm Gartner put the Internet of Things at the peak of its Hype Cycle of emerging technologies.

As more doubts about the Internet of Things productivity revolution are voiced, it is useful to recall what happened when Solow and Roach identified the original computer productivity paradox. For starters, it is important to note that business leaders largely ignored the productivity paradox, insisting that they were seeing improvements in the quality and speed of operations and decision-making. Investment in information and communications technology continued to grow, even in the absence of macroeconomic proof of its returns.

That turned out to be the right response. By the late 1990s, the economists Erik Brynjolfsson and Lorin Hitt had disproved the productivity paradox, uncovering problems in the way service-sector productivity was measured and, more important, noting that there was generally a long lag between technology investments and productivity gains.

Our own research at the time found a large jump in productivity in the late 1990s, driven largely by efficiencies made possible by earlier investments in information technology. These gains were visible in several sectors, including retail, wholesale trade, financial services, and the computer industry itself. The greatest productivity improvements were not the result of information technology on its own, but by its combination with process changes and organizational and managerial innovations.

Our latest research, The Internet of Things: Mapping the Value Beyond the Hype, indicates that a similar cycle could repeat itself. We predict that as the Internet of Things transforms factories, homes, and cities, it will yield greater economic value than even the hype suggests. By 2025, according to our estimates, the economic impact will reach $3.9-$11.1 trillion per year, equivalent to roughly 11% of world GDP. In the meantime, however, we are likely to see another productivity paradox; the gains from changes in the way businesses operate will take time to be detected at the macroeconomic level.

One major factor likely to delay the productivity payoff will be the need to achieve interoperability. Sensors on cars can deliver immediate gains by monitoring the engine, cutting maintenance costs, and extending the life of the vehicle. But even greater gains can be made by connecting the sensors to traffic monitoring systems, thereby cutting travel time for thousands of motorists, saving energy, and reducing pollution. However, this will first require auto manufacturers, transit operators, and engineers to collaborate on traffic-management technologies and protocols.

Indeed, we estimate that 40% of the potential economic value of the Internet of Things will depend on interoperability. Yet some of the basic building blocks for interoperability are still missing. Two-thirds of the things that could be connected do not use standard Internet Protocol networks.

Other barriers standing in the way of capturing the full potential of the Internet of Things include the need for privacy and security protections and long investment cycles in areas such as infrastructure, where it could take many years to retrofit legacy assets. The cybersecurity challenges are particularly vexing, as the Internet of Things increases the opportunities for attack and amplifies the consequences of any breach.

But, as in the 1980s, the biggest hurdles for achieving the full potential of the new technology will be organizational. Some of the productivity gains from the Internet of Things will result from the use of data to guide changes in processes and develop new business models. Today, little of the data being collected by the Internet of Things is being used, and it is being applied only in basic ways – detecting anomalies in the performance of machines, for example.

It could be a while before such data are routinely used to optimize processes, make predictions, or inform decision-making – the uses that lead to efficiencies and innovations. But it will happen. And, just as with the adoption of information technology, the first companies to master the Internet of Things are likely to lock in significant advantages, putting them far ahead of competitors by the time the significance of the change is obvious to everyone.

Editor's Note: This opinion originally appeared on Project Syndicate August 6, 2015.

Community banks play a key role in their local communities by offering traditional banking services to households and lending to nearby small businesses in the commercial, agriculture, and real estate sectors. Because of their close relationship with small businesses, they drive an important segment of economic growth. In fact, compared to all other banks (and to credit unions), small banks devote the greatest share of their assets to small business loans.

In this paper, titled "The community banks: The evolution of the financial sector, Part III," (PDF) Baily and Montalbano examine the evolution of community banks before, through, and after the financial crisis to assess their recovery.

The authors find that despite concerns about the long-term survival of community banks due a decline in the number of banks and increased Dodd-Frank regulations, they continue to recover from the financial crisis and are in fact out-performing the Big Four banks in several key measures.

Although the number of community banks has been steadily declining since before 2003, most of the decline has come from the steep drop in the smallest banking organizations—those with total consolidated assets of less than $100 million. Community banks with total consolidated assets that exceed $300 million have in fact increased in number. Most of the decline in community banks can be attributed to the lack of entry into commercial banking.

In a previous paper, Baily and Montalbano showed that the gap in loans and leases among the Big Four has widened since the financial crisis, but the new research finds that community banks seem to be returning to their pre-crisis pattern, although slowly, with the gap between deposits and loans shrinking since 2011. While total deposits grew gradually after 2011, though at a pace slower than their pre-crisis rate, loans and leases bottomed out in 2011 at $1.219 trillion.

The authors also examine community banks' return on assets (ROA), finding it was lower overall than for the Big Four or for the regionals, and has come back to a level closer to the pre-crisis level than was the case for the larger banks. The level of profitability was slightly lower for community banks in 2003 than it was for the larger banks—about 1.1 percent compared to 1.7 percent for the regional banks—but it did not dip as low, reaching a bottom of about -0.1 percent compared to -0.8 percent for the regional banks.

Baily and Montalbano also find that total assets of the community banks increased 22.5 percent (adjusted for inflation, the increase was 7 percent); the average size of community banks has increased substantially; total bank liabilities grew steadily from 2003-2014; the composition of liabilities in post-crisis years looked largely similar to the composition in the pre-crisis years; and securitization—which plays a relatively small role in the community banking model—has been steadily increasing in the time period both before and after the crisis. 

To read more, download the full paper here.

The paper is the third in a series that examines how the financial sector has evolved over the periods both before and after the financial crisis of 2007-2008. The first paper examines the Big Four banks, and the second takes a closer look at regional banks.

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For more than a decade, the economy’s rate of productivity growth has been dismal, which is bad news for workers since their incomes rise slowly or not at all when this is the case. Economists have struggled to understand why American productivity has been so weak. After all, with all the information technology innovations that make our lives easier like iPhones, Google, and Uber, why hasn’t our country been able to work more productively, giving us either more leisure time, or allowed us to get more done at work and paid more in return?

One answer often given is that the government statisticians must be measuring something wrong – notably, the benefits of Google and all the free stuff we can now access on our phones, tablets and computers. Perhaps government statisticians just couldn’t figure out how to include those new services in a meaningful way into the data?

A new research paper by Fed economists throws cold water on that idea. They think that free stuff like Facebook should not be counted in GDP, or in measures of productivity, because consumers do not pay for these services directly; the costs of providing them are paid for by advertisers. The authors point out that free services paid for by advertising are not new; for example, when television broadcasting was introduced it was provided free to households and much of it still is.

The Fed economists argue that free services like Google are a form of “consumer surplus,” defined as the value consumers place on the things they buy that is over and above the price they have paid. Consumer surplus has never been included in past measures of GDP or productivity, they point out. Economist Robert Gordon, who commented on the Fed paper at the conference where it was presented, argued that even if consumer surplus were to be counted, most of the free stuff such as search engines, e-commerce, airport check-in kiosks and the like was already available by 2004, and hence would not explain the productivity growth slowdown that occurred around that time.

The Fed economists also point out that the slowdown in productivity growth is a very big deal. If the rate of growth achieved from 1995 to 2004 had continued for another decade, GDP would have been $3 trillion higher, the authors calculate. And the United States is not alone in facing weak productivity; it is a problem for all developed economies. It is hard to believe that such a large problem faced by so many countries could be explained by errors in the way GDP and productivity are measured.

Even though I agree with the Fed authors that the growth slowdown is real, there are potentially serious measurement problems for the economy that predate the 2004 slowdown.

Health care is the most important example. It amounts to around 19% of GDP and in the official accounts there has been no productivity growth at all in this sector over many, many years. In part that may reflect inefficiencies in health care delivery, but no one can doubt that the quality of care has increased. New diagnostic and scanning technologies, new surgical procedures, and new drugs have transformed how patients are treated and yet none of these advances has been counted in measured productivity data. The pace of medical progress probably was just as fast in the past as it is now, so this measurement problem does not explain the slowdown. Nevertheless, trying to obtain better measures of health care productivity is an urgent task. The fault is not with the government’s statisticians, who do a tremendous job with very limited resources. The fault lies with those in Congress who undervalue good economic statistics.

Gordon, in his influential new book The Rise and Fall of American Growth, argues that the American engine of innovation has largely run its course. The big and important innovations are behind us and future productivity growth will be slow. My own view is that the digital revolution has not nearly reached an end, and advances in materials science and biotechnology promise important innovations to come. Productivity growth seems to go in waves and is impossible to forecast, so it is hard to say for sure if Gordon is wrong, but I think he is.

Fortune reported in June 2015 that 70% of its top 500 CEOs listed rapid technological change as their biggest challenge. I am confident that companies will figure out the technology challenge, and productivity growth will get back on track, hopefully sooner rather than later.

Editor’s note: This piece originally appeared in Fortune.

Australia's economic performance has been the standout among advanced economies for several decades. With economic growth at nearly twice the pace of US or Germany over the past decade, a remarkable 25 years without a recession and a large, highly competitive mining sector despite the end of the resources boom, Australia remains a strong economic participant in a region of the world where future global growth is likely to be generated.

But with drivers of growth over the past 25 years unlikely to be the engines of growth in coming decades, now is not a time for complacency. And if there's one lesson from Britain's decision to leave the EU, it's that that disruptive forces are sweeping through the global economy. Australia, with its cohesive politics and economic success, has been able to avoid the worst of these problems, but the dangers are present if the economic challenges are not met.

To start with, the impacts of the reforms of the 1980s and 1990s are fading. The investment boom in mining is over, and the prices for mining and agricultural exports will probably remain subdued with slower growth in China. While Australia's incomes were boosted by the improved terms of trade, this has partially reversed. The housing boom will inevitably eventually slow.

As evidenced by the results of the Brexit referendum, there is a distrust of the political and economic elites that have led the world's biggest economies. Disruptive, rapid changes in technology have not led to broad-based productivity growth. Workers in many countries have been left with stagnant incomes and governments with rising public debt.

Industry policy has a bad name among American economists who see it as a manifestation of "capture" where special interests are able to obtain subsidies from taxpayers or special protections that are not in the national interest. The modern theory of industry policy, however, recognises that a well-designed policy can actually help markets work better, therefore helping an economy like Australia's make the transition to a new growth path when faced with changing economic conditions. Productivity is the key to high growth and rising incomes – and well-designed industry policy can help.

Structure of trade competitiveness

Take, for example, Australia's manufacturing sector. Mostly because of comparative advantage, it is the smallest among all advanced economies relative to the size of its economy. In 2010, Germany had 21.2 per cent of its workforce in manufacturing while Australia's was 8.9 per cent. While it's not surprising that Australia's structure of trade competitiveness differs from Germany's because of its enormous export strength of mining and agriculture, it will benefit by taking advantage of its highly skilled workforce and the potential to develop industries based on this human capital – including advanced manufacturing industries.

One of the traditional strengths of the American economy is the close link that exists between leading universities and businesses – an area Australian policymakers are seeking to improve upon. At MIT and Stanford, professors of engineering, biology, finance or economics finish their lectures and head off to the companies they run or advise. They often enlist graduate or undergraduate students to help them with their commercial projects and these collaborations often result in jobs as well as experience. There is a danger in this model if pure research loses out to business interests, but the interaction between academia and the practical needs of companies can largely improve both research and business profitability. It's worth recalling that even the giants of science in the 18th century were motivated by the need to improve navigation or build new machines or design buildings. Funding for research should support greater industry-university cooperation as highlighted by the Watt Review.

Another important element in Australia's continued economic success is the growth of its service industries. With most jobs in these industries, the performance and productivity of services will be the largest determinant of Australia's living standards. Productivity comparisons between Australia and the United States show that Australian productivity lagged behind the US as recently as the mid-1990s, but there has since been substantial catch-up taking place. Smart regulation that promotes competition and rewards innovation are necessary to bring up the laggards. While there is a continuing debate about the possible end of productivity growth in advanced economies, Australia can still do much to catch up to global best practice.

The winners of this weekend's election will be charged with answering an important question: what is the role of government in a modern economy? How they answer that will determine future prosperity for all Australians.

Martin Baily is a senior fellow at the Brookings Institution in Washington and a former chair of the US President's Council of Economic Advisers. He has been invited by the Australian Ministry of Industry Innovation and Science to report on lessons from the US for policies to enhance economic growth, innovation and competitiveness.

Warwick McKibbin AO, is the director of the Centre for Applied Macroeconomic Analysis in the ANU Crawford School of Public Policy and is a non-resident senior fellow at the Brookings Institution.

Editor's note: this opinion first appeared in Australian Financial Review.

Twenty-five years ago, in March 1991, shaken by the fall of the Berlin Wall and the rise of nationalist-separatist movements in the Soviet Baltic and Caucasus republics, Mikhail Gorbachev held a historic referendum. He proposed the creation of a new union treaty to save the USSR. The gambit failed. Although a majority of the Soviet population voted yes, some key republics refused to participate. And so began the dissolution of the USSR, the event that current Russian President Vladimir Putin has called the “greatest geopolitical catastrophe” of the 20th century.

Today, in the wake of the referendum on leaving the European Union, British Prime Minister David Cameron seems to have put the United Kingdom on a similar, potentially catastrophic, path. Like the fall of the wall and the collapse of the Soviet Union, the fallout from Brexit could have momentous consequences. The U.K. is of course not the USSR, but there are historic links between Britain and Russia and structural parallels that are worth bearing in mind as the U.K. and the EU work out their divorce, and British leaders figure out what to do next, domestically and internationally.

A quick Russian history recap

The British and Russian empires formed at around the same time and frequently interacted. Queen Elizabeth I was pen pals with Ivan the Terrible. The union of the Scottish and English parliaments in 1707 that set the United Kingdom on its imperial trajectory coincided with the 1709 battle of Poltava, in which Peter the Great ousted the Swedes from the lands of modern Ukraine and began the consolidation of the Russian empire. The Russian imperial and British royal families intermarried, even as they jockeyed for influence in Central Asia and Afghanistan in the 19th century. The last Czar and his wife were respectively a distant cousin and granddaughter of British Queen Victoria. The Irish Easter Uprising and the Russian Revolution were both sparked by problems at home, imperial overstretch, and the shock of the World War I. 

Like the fall of the wall and the collapse of the Soviet Union, the fallout from Brexit could have momentous consequences.

Since the end of the Cold War, the U.K. and Russia have both had difficulty figuring out their post-imperial identities and roles. The U.K. in 2016 looks structurally a lot like the USSR in 1991, and England’s current identity crisis is reminiscent of Russia’s in the 1990s. After Gorbachev’s referendum failed to shore up the union, the Soviet Union was undermined by an attempted coup (in August 1991) and then dismantled by its national elites. In early December 1991, Boris Yeltsin, the flamboyant head of the Russian Federation, holed up in a hut deep in the Belarusian woods with the leaders of Ukraine and Belarus and conspired to replace the USSR with a new Commonwealth of Independent States (CIS). With Gorbachev and the Soviet Union gone by the end of December, the hangover set in. Boris Yeltsin was the first to rue the consequences of his actions. The CIS never gained traction as the basis for a new union led by Russia. 

The Ukrainians, Belarussians, and everyone else gained new states and new identities and used the CIS as a mechanism for divorce. Russians lost an empire, their geopolitical anchor, and their identity as the first among equals in the USSR. The Russian Federation was a rump state. And although ethnic Russians were 80 percent of the population, the forces of disintegration continued. Tatars, Chechens, and other indigenous peoples of the Russian Federation, with their own histories, seized or agitated for independence. Ethnic Russians were “left behind” in other republics. Historic territories were lost. Instead of presiding over a period of Russian independence, Boris Yeltsin muddled through a decade of economic collapse and political humiliation.

Separating the U.K. from Europe...could be as wrenching as pulling apart the USSR.

Is Britain laying the same trap?

Another Boris, the U.K.’s Boris Johnson, the former mayor of London and main political opponent of David Cameron, risks doing the same if he becomes U.K. prime minister in the next few months. Separating the U.K. from Europe institutionally, politically, and economically could be as wrenching as pulling apart the USSR. People will be left behind—EU citizens in the U.K., U.K. citizens in the EU––and will have to make hard choices about who they are, and where they want to live and work. The British pound has already plummeted. The prognoses for short- to medium-term economic dislocation have ranged from gloomy to dire. The U.K is a multi-ethnic state, with degrees of devolved power to its constituent parts, and deep political divides at the elite and popular levels. Scotland and Northern Ireland, along with Gibraltar (a contested territory with Spain), clearly voted to stay in the European Union. The prospect of a new Scottish referendum on independence, questions about the fate of the Irish peace process, and the format for continuing Gibraltar’s relationship with Spain, will all complicate the EU-U.K. divorce proceedings. 

Like Russia and the Russians, England and the English are in the throes of an identity crisis.

Like Russia and the Russians, England and the English are in the throes of an identity crisis. England is not ethnically homogeneous. In addition to hundreds of thousands of Irish citizens living in England, there are many more English people with Irish as well as Scottish ancestry––David Cameron’s name gives away his Scottish antecedents––as well as those with origins in the colonies of the old British empire. And there are the EU citizens who have drawn so much ire in the Brexit debate. 

As in the case of the USSR and Russia where all roads led (and still lead) to Moscow, London dominates the U.K.’s population, politics, and economics. London is a global city that is as much a magnet for international migration as a center of finance and business. London voted to remain in Europe. The rest of England, London’s far flung, neglected, and resentful hinterland, voted to leave the EU—and perhaps also to leave London. At the end of the divorce process, without careful attention from politicians in London, England could find itself the rump successor state to the United Kingdom. If so, another great imperial state will have consigned itself to the “dust heap of history” by tying its future to a referendum. 

After 10 hectic days, Cypriots will return to economic life. The price, however, is an inevitable and costly adjustment plan. But contrary to many predictions, the eurozone and the Cypriot government have been able to find a solution in less than 10 days. Moreover, the eurozone has avoided yet another financial hurdle that, despite its small size, was described as having the potential to start another acute phase of the euro crisis.

The management of the eurozone crisis over the last three years has proven to be extremely tortuous. It remains so, and this episode will certainly not be the last. However, observers might also point to how the management by congressional leaders of the U.S. fiscal and deficit problems reveals similar political complexities. Could both be the inevitable result of a democratic, diverse, continental political constituency?

What people need to understand about the eurozone is its continuous willingness to ensure the future of the euro, and its (until now) proven capacity to find compromises despite diverging national interests.

Cyprus has been recognized for months as a ticking bomb within the eurozone, mixing a hypertrophied banking system (that produced jobs and wealth for Cypriots) with huge Russian deposits and suspected money laundering.

Cyprus has been recognized for months as a ticking bomb within the eurozone, mixing a hypertrophied banking system (that produced jobs and wealth for Cypriots) with huge Russian deposits and suspected money laundering. It seems that this had become Cyprus’s most important comparative advantage. The fight against money laundering is supposed to be a great cause of the OECD countries, and it is surprising to note that this aspect did not receive appropriate weight when commenting on the unconventional tools used by the troika to design its plan. The Cypriot banking system is not like the average banking system of Southern Europe. It is a case in itself and deserves a solution of its own.

The “success story” of Cyprus was destroyed by the haircut on Greek bonds; Cypriot banks hold massive amounts of Greek bonds on behalf of their foreign clients. Incidentally, this says a lot about the prowess of this supposed “international financial center” and the awareness of its clients. For many reasons, mostly the country’s democratic process, the active search for a solution to problems in Cyprus had been postponed for months until Saturday, March 16, when an agreement was reached between the newly-elected president of Cyprus, the eurozone governments, and the troika. On that date, every old prejudice about the mismanagement of the eurozone crisis, that had been shelved for the last year, suddenly resurfaced with a new torrent: of criticisms (an ill-conceived plan); of denunciations (a crisis of stupidity); of rejection (Europe is for people, not for Germany); of financial horrors (inevitable propagation of the Cypriot bank run); and finally of doomed forecasts (be alert, the breakup is coming).

Yet one week later, it is interesting to visit the control room and watch the radar screens:

• The agreement? Better designed and operational as of Monday, March 25; 
•  Bank runs propagation? No sign (even in the London branches of the two Cypriot banks);
• European periphery bond market? A definitely strong first quarter;
• Stock markets? Stable;
• Exchange markets? Stable.

However, we should not consider this summary to mean that this new episode in the eurozone saga has been more efficiently managed than the previous ones. Definitely not!

Two examples among many explain why this is not the case. First, the idea to tax every bank account whatever its amount was not a product of “German stupidity” but reflects a demand from the Cypriot president, who was willing to preserve the image of the island as a financial center; as if the confidence of dirty money could be a sustainable comparative advantage for Cyprus! The stupefying thing is that the other euro governments accepted this clause even though it was financially dangerous and certain to be rejected by the populace and its representatives. In following the relief produced by the substance of the new agreement, the Dutch finance minister and chairman of the Eurogroup announced that the Cypriot treatment was great news because it showed that bank depositors may be expected to contribute to future bailout packages. However this is explosive and potentially as damaging as the PSI initiative adopted at Deauville. There was immediate backtracking but this reminds us that the whole process remains fragile. All this being properly considered, we should examine the ongoing euro crisis along a different narrative.

And after having described the situation in Cyprus as potential chaos in the waiting, experts now explain the absence of collateral effects by referring to the July 2012 famous commitment of Mario Draghi.

What the above mentioned facts demonstrate is that markets and people outside of Cyprus adopted (at least until the Dutch minister’s proclamation) a much calmer view than specialized commentators. And after having described the situation in Cyprus as potential chaos in the waiting, experts now explain the absence of collateral effects by referring to the July 2012 famous commitment of Mario Draghi. This is at best an excuse for not exploring other explanations and at worst a superstition for placing too much power in his mouth. Rather, two broader facts should be emphasized:

• First, looking outside the eurozone, the euro has remained as attractive an international currency as before all the vicissitudes of the sovereign debt crisis despite all the aggressiveness on part of the international financial press. The exchange rate with the dollar constantly remained close to 1.3— a rate which reveals an over-valuation of the euro; such stability is surprising given all the daily announcements of its forthcoming collapse. This fact, which has never received proper attention, at the very least proves that the euro has always remained as attractive as the dollar. After all the drama we have gone through, there was little chance that the Cypriot episode will change this global perception of the euro.
  
  
• Second, within the eurozone, there is an underestimated willingness to stick to the euro as the currency of the European continent. Austerity measures are never popular and governments that adopt them have been punished in Greece, Spain, France and Italy. Nevertheless, this is the natural product of democracy, and when it comes to the explicit question— “do you prefer to stay in the eurozone, with its mechanisms and constraints, or move on your own?”— the popular answer everywhere has been “we stay”. This is what popular votes have proven in Ireland, Greece and Spain, as well as in Germany where local elections have regularly promoted euro-friendly candidates.

So what can we conclude from the recent crisis in Cyprus? The first conclusion is that Cyprus will pay a high price for exiting a dramatic situation and securing access to eurozone support; no other feasible deal was better than that one at that particular moment. Second, we have witnessed once again the willingness of the eurozone to stay the course, and its ability to design imperfect but feasible compromises, which is not so bad when compared to what’s going on in Washington. In brief, this is another Euro-solution. However, Cyprus is certainly not the last challenge confronting the governments and people of the eurozone. In that sense, the most problematic lesson from this chaotic week is not financial but political. The future of Europe more and more lies in the hands of Germany and there is no place here for accusing the Germans of egoism. Financially speaking, they have moved forward at every step during the last three years and they are the ones that repeatedly take the biggest risks. There is no question that Germany has a prominent voice and that it defends its financial security before entering into an agreement. This is what should have been expected and this is what we have seen with what happened in Cyprus. Looking forward, the bigger problem facing the eurozone is the urgent need to design a macroeconomic policy that will spur a return to growth for the region. On this issue, there is still no visible Euro-solution and that could prove to be the biggest risk facing Europe.

Abstract

An individual-based computational model of smallpox epidemics in a two-town county is presented and used to develop strategies for bioterror containment. A powerful and feasible combination of preemptive and reactive vaccination and isolation strategies is developed which achieves epidemic quenching while minimizing risks of adverse side effects. Calibration of the model to historical data is described. Various model extensions and applications to other public health problems are noted.

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Published version of the CSED October 2007 Working Paper

ABSTRACT

Background

In classical mathematical epidemiology, individuals do not adapt their contact behavior during epidemics. They do not endogenously engage, for example, in social distancing based on fear. Yet, adaptive behavior is well-documented in true epidemics. We explore the effect of including such behavior in models of epidemic dynamics.

Methodology/Principal Findings

Using both nonlinear dynamical systems and agent-based computation, we model two interacting contagion processes: one of disease and one of fear of the disease. Individuals can “contract” fear through contact with individuals who are infected with the disease (the sick), infected with fear only (the scared), and infected with both fear and disease (the sick and scared). Scared individuals–whether sick or not–may remove themselves from circulation with some probability, which affects the contact dynamic, and thus the disease epidemic proper. If we allow individuals to recover from fear and return to circulation, the coupled dynamics become quite rich, and can include multiple waves of infection. We also study flight as a behavioral response.

Conclusions/Significance

In a spatially extended setting, even relatively small levels of fear-inspired flight can have a dramatic impact on spatio-temporal epidemic dynamics. Self-isolation and spatial flight are only two of many possible actions that fear-infected individuals may take. Our main point is that behavioral adaptation of some sort must be considered.”

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The decision by the Federal Election Commission to defer action on new rules to constrain the activities of so-called 527 political organizations is being portrayed as an utter collapse of the new McCain-Feingold campaign finance law. In fact, nothing could be further from reality.

The dispute over whether several new Democratic-leaning independent political groups should be required to register with the FEC and abide by contribution limits is a legitimate one, and there is merit in the regulatory proposal — rejected by the full commission — that was offered by Commissioners Scott Thomas and Michael Toner. But this argument largely concerns unresolved questions stemming from judicial and FEC interpretations of the 1974 law that governs federal election law — not McCain-Feingold.

Had the Thomas-Toner proposal been adopted, the Media Fund and America Coming Together would have faced tougher requirements on the sources and amounts of contributions they receive. But supporters of the Media Fund and ACT still would have had legal options to continue their campaign activities. ACT would have had to raise more hard money to match its soft-money contributions, but it had already been moving in that direction, as had Moveon.org, which is now focusing its campaign activities on hard-money fundraising and expenditures.

Millionaire contributors to the Media Fund could have separately made independent expenditures in the form of television ads that expressly advocated the defeat of President Bush. Unions could have financed their own "issue ads" supporting Sen. John Kerry (D-Mass.) and attacking Bush until 30 days before the party convention or 60 days before the general election. Corporations would have retained the option to sponsor similar ads. Thereafter, even without FEC action, a key provision of McCain-Feingold kicks in. As the election nears, no 527 organization can use corporate or union money to finance broadcast ads that feature federal candidates.

McCain-Feingold was not written to bring every source of unregulated federal campaign funding within the scope of the law. Rather, it was designed to end the corrupting nexus of soft money that ties together officeholders, party officials and large donors. The law's principal goal was to prohibit elected officials and party leaders from extracting unregulated gifts from corporations, unions and individual donors in exchange for access to and influence with policymakers.

Indeed, the law has accomplished this objective. Members of Congress and national party officials are no longer soliciting unlimited contributions for the party committees, nor are they involved in the independent fundraising efforts of the leading 527 groups. The FEC's decision to defer action, therefore, does not pose the same risk of corruption as did the soft-money decisions of the past.

One of the fundamental concerns raised by the activities of 527s is that these groups, with their ability to receive unlimited contributions, would overshadow the candidates and weaken the role of parties in the electoral process. The new law, however, increased contribution limits to candidates and parties, to offset the effects of inflation and to ensure that parties remain major players in federal elections. Here, the evidence is overwhelming that the law's objective is being realized.

Bush and Kerry have both registered extraordinary fundraising success. Kerry has already raised more than $110 million, while the president has raised more than $200 million. In raising these sums, the presidential nominees have attracted the support of more than 500,000 donors who did not give money during the 2000 campaign. Congressional candidates, too, are also reaching out to new donors, with fundraising up 35 percent over the last cycle.

And in the first 15 months of this cycle, the national party committees have raised more than $430 million in hard money alone — $60 million more than they had raised in hard and soft money combined at the comparable point in the previous presidential cycle. This financial strength reflects the parties' success at adding more than 2 million new donors to their party rolls. For all the attention they are garnering, these 527 groups — both Democratic-leaning and Republican-leaning — pale when compared to the activities of the parties and candidates.

The 2004 elections have enormously high stakes. Supporters of Bush and Kerry are highly motivated to boost the election prospects of their favored candidate. All signs point to a vibrant get-out-the-vote effort by both parties and a rough equality in funding by and on behalf of the two major presidential campaigns. This reflects the 50/50 partisan division in the country and suggests that a disparity in resources is unlikely to determine the outcome of the presidential election.

The FEC has cheered some and disappointed others with its decision to defer new rulemaking on independent political organizations. While we empathize with the critics' concerns, we nonetheless take satisfaction that the major objectives of the new campaign-finance law are being realized.

During debates in Congress and in the legal battles testing its constitutionality, critics of the Bipartisan Campaign Reform Act of 2002 imagined a host of unanticipated and debilitating consequences. The law's ban on party soft money and the regulation of electioneering advertising would, they warned, produce a parade of horribles: A decline in political speech protected by the First Amendment, the demise of political parties, and the dominance of interest groups in federal election campaigns.

The forecast that attracted the most believers — among politicians, journalists, political consultants, election-law attorneys and scholars — was the claim that Democrats would be unable to compete against Republicans under the new rules, primarily because the Democrats' relative ability to raise funds would be severely crippled. One year ago, Seth Gitell in The Atlantic Monthly summarized this view and went so far as to call the new law "The Democratic Party Suicide Bill." Gitell quoted a leading Democratic Party attorney, who expressed his private view of the law as "a fascist monstrosity." He continued, "It is grossly offensive ... and on a fundamental level it's horrible public policy, because it emasculates the parties to the benefit of narrow-focus special-interest groups. And it's a disaster for the Democrats. Other than that, it's great."

The core argument was straightforward. Democratic Party committees were more dependent on soft money — unlimited contributions from corporations, unions and individuals — than were the Republicans. While they managed to match Republicans in soft-money contributions, they trailed badly in federally limited hard-money contributions. Hence, the abolition of soft money would put the Democrats at a severe disadvantage in presidential and Congressional elections.

In addition, the argument went, by increasing the amount an individual could give to a candidate from $1,000 to $2,000, the law would provide a big financial boost to President Bush, who would double the $100 million he raised in 2000 and vastly outspend his Democratic challenger. Finally, the ban on soft money would weaken the Democratic Party's get-out-the-vote efforts, particularly in minority communities, while the regulation of "issue ads" would remove a potent electoral weapon from the arsenal of labor unions, the party's most critical supporter.

After 18 months of experience under the law, the fundraising patterns in this year's election suggest that these concerns were greatly exaggerated. Money is flowing freely in the campaign, and many voices are being heard. The political parties have adapted well to an all-hard-money world and have suffered no decline in total revenues. And interest groups are playing a secondary role to that of the candidates and parties.

The financial position of the Democratic party is strikingly improved from what was imagined a year ago. Sen. John Kerry (D-Mass.), who opted out of public funding before the Iowa caucuses, will raise more than $200 million before he accepts his party's nomination in Boston. The unusual unity and energy in Democrats' ranks have fueled an extraordinary flood of small donations to the Kerry campaign, mainly over the Internet. These have been complemented by a series of successful events courting $1,000 and $2,000 donors.

Indeed, since Kerry emerged as the prospective nominee in March, he has raised more than twice as much as Bush and has matched the Bush campaign's unprecedented media buys in battleground states, while also profiting from tens of millions of dollars in broadcast ads run by independent groups that are operating largely outside the strictures of federal election law.

The Democratic national party committees have adjusted to the ban on soft money much more successfully than insiders had thought possible. Instead of relying on large soft-money gifts for half of their funding, Democrats have shown a renewed commitment to small donors and have relied on grassroots supporters to fill their campaign coffers. After the 2000 election, the Democratic National Committee had 400,000 direct-mail donors; today the committee has more than 1.5 million, and hundreds of thousands more who contribute over the Internet.

By the end of June, the three Democratic committees had already raised $230 million in hard money alone, compared to $227 million in hard and soft money combined at this point in the 2000 election cycle. They have demonstrated their ability to replace the soft money they received in previous elections with new contributions from individual donors.

Democrats are also showing financial momentum as the election nears, and thus have been gradually reducing the Republican financial advantage in both receipts and cash on hand. In 2003, Democrats trailed Republicans by a large margin, raising only $95 million, compared to $206 million for the GOP. But in the first quarter of this year, Democrats began to close the gap, raising $50 million, compared to $82 million for Republicans. In the most recent quarter, they narrowed the gap even further, raising $85 million, compared to the Republicans' $96 million.

Democrats are now certain to have ample funds for the fall campaigns. Although they had less than $20 million in the bank (minus debts) at the beginning of this year, they have now banked $92 million. In the past three months, Democrats actually beat Republicans in generating cash — $47 million, compared to $31 million for the GOP.

The party, therefore, has the means to finance a strong coordinated and/or independent-spending campaign on behalf of the presidential ticket, while Congressional committees have the resources they need to play in every competitive Senate and House race, thanks in part to the fundraising support they have received from Members of Congress.

Moreover, FEC reports through June confirm that Democratic candidates in those competitive Senate and House races are more than holding their own in fundraising. They will be aided by a number of Democratic-leaning groups that have committed substantial resources to identify and turn out Democratic voters on Election Day.

Democrats are highly motivated to defeat Bush and regain control of one or both houses of Congress. BCRA has not frustrated these efforts. Democrats are financially competitive with Republicans, which means the outcome will not be determined by a disparity of resources. Put simply, the doomsday scenario conjured up by critics of the new campaign finance law has not come to pass.