The first instance of “cloud” computing came in 2006, when Amazon released its Elastic Compute Cloud, a service for consumers to lease space on virtual machines to run software. Now, the cloud enables the transfer and storage of data around the world, in an almost seamless fashion. Using cloud services are a seamless experience from the consumer perspective. This ease of use obscures significant regulation from governments on both sides of the Atlantic. The Safe Harbor Principles is a framework that ensures that personal consumer data being transferred from the EU to the US is still subject to a level of security in compliance with the EU’s stricter regulation on data protection. US companies must be certified within this framework, in order to transfer consumer data outside the EU.

A comprehensive data privacy arrangement that satisfies both sides of the Atlantic is necessary to preserve the free flow of data, and the resulting commerce, between the two regions. Speaking at the 2014 Cloud Computing Policy Conference, Cameron F. Kerry suggested that neither side of the Atlantic can afford to partition the Internet. Currently trade negotiators are assessing the viability including an update to Safe Harbor Principles as a part of the Transatlantic Trade and Investment Partnership (TTIP).

TTIP and the Future of Trade

The NSA revelations last year have only increased support for further regulation over the transfer of personal data in the cloud, especially in the European Union (EU). The revelations have also brought to light significant differences in the European and US conceptions of privacy. The ruling by the European Court of Justice on the “right to be forgotten” is a recent example of this transatlantic divide. In EU countries, citizens can now request Google to take down links from search results that lead users to potentially damaging information.

There are several disputes that negotiators must first resolve. Europeans would prefer that American regulators take a more active role in cases where US firms are violating the Safe Harbor principles. EU officials have also indicated they would like to include a mechanism to send an alert if data were improperly shared with US law enforcement officials. The expansion of the codes of conduct within the cloud would serve as a major step towards finalizing TTIP. A European Commission Analysis finds that TTIP would inject about $130 billion into the US economy. Ultimately both the EU and the US have so much to gain that both nations must find a way to resolve these thorny issues.

Kevin Risser contributed to this post.

In December 2009, the Saban Center for Middle East Policy conducted a day-long simulation of the diplomatic and military fallout that could result from an Israeli military strike against the Iranian nuclear program. In this Middle East Memo, Kenneth M. Pollack analyzes the critical decisions each side made during the wargame.

The simulation was conducted as a three-move game with three separate country teams. One team represented a hypothetical American National Security Council, a second team represented a hypothetical Israeli cabinet, and a third team represented a hypothetical Iranian Supreme National Security Council. The U.S. team consisted of approximately ten members, all of whom had served in senior positions in the U.S. government and U.S. military. The Israel team consisted of a half-dozen American experts on Israel with close ties to Israeli decision-makers, and who, in some cases, had spent considerable time in Israel. Some members of the Israel team had also served in the U.S. government. The Iran team consisted of a half-dozen American experts on Iran, some of whom had lived and/or traveled extensively in Iran, are of Iranian extraction, and/or had served in the U.S. government with responsibility for Iran.

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Introduction: Despite the launch of indirect, “proximity” talks between Palestinians and Israelis, Palestinian President Mahmoud Abbas continues to resist a resumption of direct negotiations with Israel absent a full settlement freeze. As chairman of the Palestine Liberation Organization (PLO) and president of the Palestinian Authority (PA), Abbas also insists that any new negotiations pick up where previous talks left off in December 2008 and that the parties spell out ahead of time a clear “endgame,” including a timetable for concluding negotiations. While these may seem like unreasonable preconditions, Palestinian reluctance to dive headfirst into yet another round of negotiations is rooted in some genuine, hard-learned lessons drawn from nearly two decades of repeated failures both at the negotiating table and on the ground.

Not only have negotiations failed to bring Palestinians closer to their national aspirations but the peace process itself has presided over (and in some ways facilitated) a deepening of Israel’s occupation and an unprecedented schism within the Palestinian polity. Such failures have cost the Palestinian leadership dearly in terms of both its domestic legitimacy and its international credibility. While it remains committed to a negotiated settlement with Israel based on a two-state solution, the PLO/PA leadership has been forced to rethink previous approaches to the peace process and to negotiations, as much for its own survival as out of a desire for peace.

Haunted by past failures, Palestinian negotiators are now guided, to varying degrees, by six overlapping and sometimes conflicting lessons:

1. Realities on the ground must move in parallel with negotiations at the table.

2. Don’t engage in negotiations for their own sake.

3. Agreements are meaningless without implementation.

4. Incrementalism does not work.

5. Avoid being blamed at all costs.

6. Don’t go it alone.

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Introduction:

In the ebb and flow of Middle East diplomacy, the two interrelated issues of an Israeli-Syrian peace settlement and Washington’s bilateral relationship with Damascus have gone up and down on Washington’s scale of importance. The election of Barack Obama raised expectations that the United States would give the two issues the priority they had not received during the eight years of the George W. Bush administration. Candidate Obama promised to assign a high priority to the resuscitation of the Arab-Israeli peace process, and separately to “engage” with Iran and Syria (as recommended by the Iraq Study Group in 2006).

In May 2009, shortly after assuming office, President Obama sent the assistant secretary of state for Near Eastern affairs, Jeffrey Feltman, and the senior director for the Middle East in the National Security Council, Daniel Shapiro, to Damascus to open a dialogue with Bashar al-Asad’s regime. Several members of Congress also travelled to Syria early in Obama’s first year, including the chairman of the Senate Committee on Foreign Relations, John Kerry, and the chairman of the House Committee on Foreign Affairs, Howard Berman. In addition, when the president appointed George Mitchell as special envoy to the Middle East, Mitchell named as his deputy Fred Hof, a respected expert on Syria and the Israeli-Syrian dispute. Last summer, both Mitchell and Hof visited Damascus and began their give and take with Syria.

And yet, after this apparent auspicious beginning, neither the bilateral relationship between the United States and Syria, nor the effort to revive the Israeli-Syrian negotiation has gained much traction. Damascus must be chagrined by the fact that when the Arab-Israeli peace process is discussed now, it is practically equated with the Israeli-Palestinian track. This paper analyzes the difficulties confronting Washington’s and Jerusalem’s respective Syria policies and offers an approach for dealing with Syria. Many of the recommendations stem from lessons resulting from the past rounds of negotiations, so it is important to understand what occurred.

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Introduction

The issue of Iran has become a central preoccupation for the international community in recent months, thanks to the intersection of the historic changes in the region, an American presidential election, sharpening rhetoric from Israel, and Tehran’s relentless determination to advance its nuclear capabilities. The focus of policymakers in Washington and around the world remains fixed on the options for forestalling Iran’s determined march toward a nuclear weapons capability. This is the appropriate objective; the best possible outcome for maintaining peace and security in the Gulf and avoiding a deeply destabilizing nuclear arms race remains a credible, durable solution that curtails Iran’s nuclear ambitions. And while achieving such an outcome remains profoundly problematic, largely as a result of Tehran’s intransigence, preventing Iran from crossing the nuclear weapons threshold—either through persuasion, coercion, or some combination of the two—remains fully and unambiguously within the capabilities of the international community.

The shadow cast by Tehran has created a particularly intense sense of existential anxiety for the smaller Gulf states, including Kuwait, Bahrain, the United Arab Emirates, Qatar, and Oman. After all, these are the same states whose civil orders were repeatedly disrupted by Iranian subversion and sponsorship of terrorism during the first decade after Iran’s Islamic revolution, and whose thriving economies rely on unimpeded access to the global commons. The events of the past decade have only exacerbated the smaller Gulf states’ endemic sense of insecurity. Iran has achieved a synergistic, sometimes even parasitic, relationship with the leadership of post-Saddam Iraq that, together with Tehran’s longstanding relationships with Syria and Lebanese Hizballah, greatly enables its bid for predominance in the heart of the Middle East. Today, the uncertainties surrounding the implications of regional flux have left Tehran simultaneously weakened and emboldened—a particularly dangerous combination for this particular array of Iranian leaders.

With Iran’s nuclear program advancing by the month and its efforts to tilt the regional balance in its favor growing more forceful, the small states of the Persian Gulf must face the distinct dilemma of preparing for the possible worst-case scenario of the nuclearization of their neighborhood, while participating ever more robustly in the international efforts to preclude that very possibility. In some respects, the Gulf states’ situation is unique. Unlike Israel, another small state that perceives an existential threat from Iran, the Gulf states cannot fall back upon either a presumptive nuclear deterrent or a primordial bond to the body politic of the world’s only remaining superpower. And in contrast to Iran’s other neighbors, the vast resources and history of ideological and territorial disputes between the Gulf states and Tehran significantly intensify the stakes. Even before the Gulf became the vital transportation corridor for global energy, the fault line in the regional balance of power had always run between the northern states and their southern rivals. The mere possibility that the north may gain a nuclear advantage is reshaping the security environment for Iran’s neighbors in the Gulf.

Because the threat of Iran looms large, the exigency of considering the widest possible array of alternative prospects for the evolution of this protracted crisis is important. This paper tackles the scenarios that successive American presidents have deemed unacceptable—an Iranian development or acquisition of a nuclear weapons capability or of nuclear weapons themselves—and the implications that such scenarios would have for the global nonproliferation regime and regional security, with a particular focus on the special challenges faced by Iran’s southern neighbors. To protect against threats along their borders, the Gulf states have traditionally hedged their bets by seeking balanced relations with their more powerful neighbors while cultivating extra-regional allies. That formula is already changing, as evidenced by a new assertiveness in Gulf states’ postures toward Tehran and a new creativity in deploying strategies for deterring and mitigating Iran’s efforts to extend its influence and/or destabilize its neighbors. The Gulf states must transform this tactical innovation into a full-fledged new hedging policy: one that deploys every possible tool to prevent a nuclear Iran while taking every possible step to prepare for such an eventuality.

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• Thinking the Unthinkable: The Gulf States and a Nuclear Iran

Complexity and ambivalence are inherent in Israel’s relationship with its Middle Eastern environment. Israel’s national security agenda is shaped by the hostility of a large part of the Arab and Muslim worlds. During the past 66 years, Israel has been able to crack the wall of Arab hostility, to make peace with two Arab neighbors, and to establish semi-normal relations with several Arab states. But the Arab-Israeli conflict, and its Palestinian core in particular, rages on, and Iran has joined the fray as a powerful and determined adversary.

In Israel, debates over the state’s identity, its place and role in the region, and the more specific issues of the future of the West Bank and Israel’s relationship with the Palestinians, govern the country’s politics and national discourse. The March 2015 Israeli elections are being conducted over a wide range of issues, but they are seen first and foremost as a referendum on these key questions. Politics and policy can hardly be separated. Appearances can be misleading. Currently, the focus of the election campaign seems to be on socio-economic issues. The main challenger of Netanyahu’s current government and potential right-wing coalition is “The Zionist Camp” led by Isaac Herzog and Tzipi Livni. They are strong advocates of reviving a peace process with the Palestinians, but they realize that the Israeli public has drifted to the right. Furthermore, the primaries in the Labor Party produced a left-leaning list of candidates. But whatever the current drift of the campaign, in the elections’ immediate aftermath, whoever forms the next government will have to deal primarily with the Palestinian issue and the national security challenges facing the country.

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A fair assessment of the budget deal signed by President Obama last week would allow for only at most two cheers. Its biggest achievement is raising the debt limit by enough to last until 2017, thereby at least temporarily eliminating the threat to the nation's credit worthiness. The deal also provides funding levels above the Spartan caps established by the 2011 Budget Control Act so that both domestic discretionary spending and military spending can avoid reductions against a baseline that was already low by historical standards. In addition, the deal avoids a cut in benefits in the Social Security Disability Insurance (SSDI) program that was about to have its trust account run dry, as well as a big increase in payments by a significant minority of Medicare beneficiaries.

That's a lot of good policy, achieved despite the partisanship that has been so characteristic of budget negotiations in recent years. So what's not to like? Two shortcomings of the deal are especially notable. The first is that the solution to the pending SSDI shortfall is disappointing. It would be hard to support the imposition of reduced benefits on recipients of a government insurance program for the disabled, but Congress has known for some years that SSDI was running out of money. Congress should have been working on solutions that involved less spending or more revenue, or perhaps both. Instead, the reforms that Congress passed provided a very minor adjustment in the way both initial and continuing eligibility are determined and ignored more basic reforms. A non-partisan group assembled by former House members Jim McCrery and Earl Pomeroy under the auspices of the Committee for a Responsible Federal Budget (CRFB) produced a host of proposals that would address the underlying problems of the SSDI program such as how to emphasize work to control the rising caseload, but they were virtually ignored. Taking the easy way out, Congress transferred nearly $120 billion in funds from the Social Security Trust Fund into the SSDI Trust Fund. Unfortunately, this action will preserve the SSDI Trust Fund only until 2021 or 2022, at which time it will likely be back in the perilous situation it was in until this temporary fix was put in place.

The second problem is that the lubricant Congress used to enact the deal was money it doesn't have. Thus, according to CRFB, all the spending in the deal cost $154 billion but the offsets in the bill amounted to only $78 billion. Thus, the true net cost of the bill, excluding budget gimmicks, was $76 billion. As always, the money will be obtained by additional borrowing, thereby increasing the nation's debt.

Increasing the nation's debt is the most important shortcoming of the bill. Due to improvements in the economy coupled with spending cuts and revenue increases achieved by previous budget deals reached since publication of the Simpson-Bowles Commission report in 2010, the fiscal outlook for the nation has improved. But the long-term debt problem has not been solved. The Center on Budget and Policy Priorities, based on figures from the Congressional Budget Office (CBO), projects that the ratio of the national debt to GDP will fall slightly from its current 74 percent to 73 percent by 2017. However, the ratio will then rise to 92 percent by 2040. This projection contrasts with the Center's 2010 projection in which the debt-to-GDP ratio increased by more than 200 percent.

Granted, this is good news. But not so fast. The assumptions built into the projections are likely to be too optimistic. The CRFB projects that under a more reasonable set of assumptions, the debt will rise to over 150 percent of GDP by 2040. As CRFB argues, the debt path under these more reasonable assumptions is, though improved, nonetheless "unsustainable."

Equally important, the big picture on the nation's budget shows that future spending increases in Social Security, Medicare and other health programs, and net interest will eat up all future increases in revenue. CBO projects that compared to average spending in these three budget categories between 1965 and 2014, spending as a percentage of GDP by 2040 on Social Security will increase by 55 percent, on federal health programs by 220 percent, and on interest on the debt by well over 100 percent. As a result, spending on everything else will decline by around 40 percent. No wonder a recent report from the Urban Institute shows that the share of federal spending on children has already begun to decline and will fall by nearly 30 percent between 2010 and 2024.

Despite the modest achievements of the latest budget deal, long-term budget prospects continue to look bleak and present spending priorities still emphasize programs for the elderly and interest on the debt while squeezing other programs, including those for children. Perhaps two cheers for the deal is one too many.

Editor's Note: this post first appeared in Real Clear Markets.

Social Security faces a financial shortfall. If Congress does nothing about it, current projections indicate that benefits will be cut automatically by 21 percent in 2034. Congress could close the gap by raising revenues, lowering benefits, or doing some of both. If benefits seem generous, Congress is likely to lean toward benefit cuts more than revenue increases. If they seem stingy, then the reverse.

Given the split between the two parties on whether to cut benefits or to raise them, evidence on the adequacy of benefits is central to this key policy debate. Those perceptions will help determine whether Social Security continues to provide basic retirement income for workers with comparatively low earnings histories and a foundation of retirement income for most others or it will become just a minimal safety-net backstop against extreme destitution?

Down-in-the-weeds disagreements among analysts often seem too arcane for anyone other than specialists. But sometimes they are too important to ignore. A current debate about the adequacy of Social Security benefits is an example.

The not-so-simple question is this: are Social Security benefits ‘generous’ or ‘stingy’? To answer this question, people long looked to the Office of the Social Security Actuary. For many years that office published estimates of something called the ‘replacement rate’—that is, how high are benefits paid to retirees and the disabled relative what they earned during their working years. A 2014 retiree with median earnings had average lifetime earnings of about $46,000. That worker qualified for a benefit at age 66 of about $19,000, a replacement rate of about 41%. Replacement rates vary with earnings. Dollar benefits rise with earnings, but they rise less than proportionately. As a result, replacement rates of low earners are higher than replacement rates of high earners.

As you might suppose, there are many ways in which to compute such ‘replacement rates. Because of analytical disputes on which method is best, the Social Security trustees in 2014 decided to stop including replacement rate estimates in their annual reports.

In December 2015, the Congressional Budget Office (CBO) offered what it considered a better measure of the generosity of Social Security. It estimated that replacement rates for middle income recipients were about 60%–dramatically higher than the 41% that the Social Security Trustees had estimated.

The gap between the estimates of CBO and those of Social Security is even larger than it seems. To see why, one needs to recognize that to sustain living standards retirees on average need only about 75% to 80% as much income as they did when working. Retirees need less income because they are spared some work-related expenses, such as transportation to and from work. Those are only average of course; some need more, some less.

If one believed the SSA actuaries, Social Security provides median earners barely more than half of what they need to be as well off as they were when working. Benefit cuts from that modest level would threaten the well-being for the majority of retirees who are entirely or mostly dependent on Social Security benefits—and especially for those with large medical expenses uncovered by Medicare.

On the other hand, if one accepted CBO’s estimates, Social Security provids more than three-quarters of the retirement income target. Against that baseline, benefit cuts would still sting, but they would pose less of a threat, and not much of a threat at all for most retirees who have some income from private pensions or personal savings.

When the CBO estimates came out, conservative commentators welcomed the findings and cited CBO’s well-established and well-earned reputation for objectivity. They correctly noted that many retirees have additional income from private pensions, 401ks, or other personal savings, and asserted that there was no general retirement income shortage. By inference, cutting benefits a bit to help close the long-term funding gap would be no big deal. Social Security advocates were put on the defensive, hard-pressed to challenge the estimates of the widely-respected Congressional Budget Office.

But earlier this year, CBO acknowledged that it had made mistakes in its Decameter estimates and revised them. The new CBO estimate put the replacement rate for middle-level earners at around 42%, almost the same as the estimate of the Social Security actuaries, not the much higher level that had sent ripples through the policy community. One conservative analyst, Andrew Biggs, who had trumpeted the initial CBO finding in The Wall Street Journal, promptly and honorably retracted his article.

Two aspects of this green-eyeshade kerfuffle stand out. The first is that policy debates often depend on obscure technical analyses that are, in turn, remarkably sensitive to ‘black-box’ methods to which few or no outsiders have ready access. The second is that CBO burnished its reputation for honesty by owning up to its own mistakes — in this case, a whopping overestimate of a key number. Such candor is all too rare; it merits notice and praise.

But there is a broader lesson as well. Technical issues of comparable complexity surround numerous current political disputes. Is Bernie Sanders’ single-payer plan affordable? Will Marco Rubio’s tax plan cause deficits to balloon? To vote rationally, people must struggle to see through the rhetorical chaff that surrounds candidates’ favorite claims. There is, alas, no substitute for paying close attention to the data, even if they are ‘down in the weeds.’

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

Open any magazine aimed at the upper middle class and you’ll find lots of ads about retirement planning: financial firms fighting over which one will ‘advise’ you and get you to invest your money with them.

But, for most people, that isn’t the most important part of retirement planning. In fact, most people don’t have significant retirement savings, so arguing about who or how to invest them is irrelevant. Their “financial planning” is more likely to be about whether and when to pay the credit card bill.

So what kind of retirement planning really matters? There are lots of answers, but here are two of the most important: How long you work and when you apply for Social Security. For most people, these matter far more than whether your savings are invested in stocks or bonds.

Working Longer Requires More than Wishful Thinking. One of the great blessings of modern medicine is that people are living longer. But one of the consequences of that blessing is that unless people work longer and/or save more while they’re working, they’re more likely to run out of money in retirement than ever before. (The decline of traditional pensions, which paid lifetime income benefits, hasn’t helped either.) Most folks know this and are responding. According to a recent survey, 65 percent of baby boomers expect to work past 65.

But those expectations may not be met. Currently, about half of workers stop working before age 65: some are wealthy enough; more often they’re just not healthy enough.

Flexible retirement is more slogan than fact. Moreover, the job market isn’t as flexible as some may hope. Yes, an increasing percentage of seniors are working at least occasionally (~35 percent of men over 60, ~25 percent of women), but that doesn’t mean they’re doing their dream job on their chosen schedule. Increasingly, most of those who do work past 65 work full-time. Twenty years ago about 60 percent of workers over the age of 65 worked part-time; today about 60 percent work full-time.

It’s not clear why part-time work has declined, but one reason may be that employers still haven’t adjusted to the idea. A recent Transamerica Survey found that 66 percent of age 55+ US workers expect they will enter retirement flexibly -- but only 25 percent report that their employer offers the opportunity to move from full-time to part-time. However, the best way for employers to change is for their employees to ask (or have a union that does).

Retirement planning involves more than wishful thinking. If you want a flexible or a phased retirement, you need to know what your options really are – and the time to find out is long before you’re on the verge of retirement.

Defer Applying for Social Security? The other step that matters for most people is when they choose to apply for Social Security. Many apply as soon as they legally can do so, generally at age 62. For most people, that’s a mistake, because it means they will get reduced payments for the rest of their lives. Most others claim their Social Security benefits by the time they reach the “normal retirement age”, which for baby boomers is 66 years. (The normal retirement age is gradually being raised; for those born after 1959 it’s age 67.) For many people, that’s a mistake, too, because your lifetime benefit increases each year that you delay from 62 up to age 70.

How much more will your Social Security be if you start taking it at 70 instead of claiming benefits at the earliest possible age? A lot. For baby boomers, waiting till 70 increases the annual benefit by about 8% or each year of delay. That means instead of taking an annual payment at 62 of $10,000 a year, waiting 8 years means your annual payment will rise to $17,600 – inflation indexed for life. (If you keep working after age 62, then the math can be even more compelling, because Social Security is based on your highest 35 years of earnings.) If you are married, delaying also increases payments to your spouse after you die.

Of course, lots of folks have justifications for taking the lower payment at 62. Some say, “I won’t live long enough to make up the difference” – but in fact most people do live that long and many live longer. Others say, “I need the money to pay my bills.” But if you have savings or home equity, it’s worth using those first and taking Social Security later.

So the next time someone approaches you about moving your 401k money over to them, consider the option they won’t tell you about: spending it first and deferring Social Security. After all, Social Security gives you a guaranteed 8% return for waiting – and an 8% guaranteed return is hard to beat. (But they probably won’t tell you that, either.)

Editor's note: This piece originally appeared in Inside Sources.

Rumor has it that an economist started hitting the gym after finishing two milestone research papers, in expectation of a Nobel Prize, which is only rewarded to a living person. Almost no one denies that greater expectations translate into healthier behaviors, while the converse rarely enters the health policy discussion: expectations of a less-than-desirable future may lead to unhealthy behaviors, including smoking, excessive drinking, sedentary lifestyles, and drug abuse. The health issues of the deprived may have a deeper root in economics.

Professor Zhu Xi from Shanghai Jiao Tong University and I found evidence of this in our working paper “Affordable Care Encourages Healthy Living: Theory and Evidence from China's New Cooperative Medical Scheme”. Standard economic theory predicts that providing medical insurance encourages unhealthy behavior by mitigating economic consequences. We developed a novel theoretical framework in which the opposite is possible because insurance makes longevity more affordable and thus desirable.

We test the theory utilizing a unique experiment of China introducing the New Cooperative Medical Scheme, unique in its long-term credibility necessary for their proposed channel. This scheme reduces cigarette use by around 9% and bolsters subjective perception of the importance of physical exercise and healthy diet. These effects depend significantly on the number of children and the local culture of elderly care. We can rule out alternative explanations of these robust results. The empirical evidence affirms a causal link between concerns about negative bequest and unhealthy behavior, and how to break it.

Breaking the causal link would not be an easy task, because bringing a brighter future to the deprived would not be. But this does not revoke the necessity of considering this “expectation” mechanism in designing health policies. For example, it is trendy to study how smokers may substitute other tobacco products for cigarettes and the ensuing health consequences. According to our analytical framework, the substitution could be broader, that is, a person expecting a miserable future would consciously or unconsciously resort to other means of shortening life. Case and Deaton, in their sensational paper, pinned down drug and alcohol poisonings, suicide, and chronic liver diseases and cirrhosis as the causes of the rising mortality in midlife among white Americans. The war against tobacco use may be complicated by this potential substitution.

In general, recognizing the source of a problem is the first step in solving it. The association between income and life expectancy in the United States is well identified by a Brookings study by Bosworth and Burke and a paper by Chetty et al. The hypothesis that poverty may rationally trigger unhealthy behaviors and thus shorter life expectancy is under-explored.

Our research suggests that constructing a social safety net – by subsidizing health or old-age insurance, for example – brightens the future and thus promotes healthy living. Libertarians who believe in “from each as they choose, to each as they are chosen” may frown upon the idea of expanding the government for the sake of saving people from their own poor choices. As usual, an argument could be made that the positive externality outweighs the cost. In this case, a better social safety net can make a person more forward-looking and thus more beneficial to the society.

Discovering hidden incentives and mechanisms is one of the primal tasks of economists. Our research suggests, surprisingly, that both the Center of Disease Control and Prevention and the Department of the Treasury are important players in promoting healthy living. Let them be.