Rising wage inequality and stagnant real wages have contributed to inequality in family incomes during the past three decades. While the expansion of the Earned Income Tax Credit (EITC) and the Supplemental Nutrition Assistance Program (SNAP) have helped mitigate the impact on low-income families (Bitler and Hoynes 2010), federal minimum wage policy has not contributed to the solution. The federal minimum wage has failed to keep pace with both the cost of living and the median wage in the labor market. As a consequence, working full-time at the minimum wage does not allow many families to escape poverty, or to attain economic self-sufficiency.

State and local governments can set minimum wages in excess of the statutory federal minimum wage. Indeed, state and local governments have played an important role in establishing minimum wages across the country; as a result, thirty-seven states had state minimum wages exceeding the federal level in 2007 prior to the most recent federal increase. Cities, too, have begun setting higher minimum wages, as evidenced by city-level wage minimums in Albuquerque, San Francisco, San Jose, Santa Fe, Seattle, and Washington, DC; other cities are actively exploring possibilities of raising minimum wages. 

In this policy memo, I propose a framework for effective state and local minimum wage policy. First, I propose using half the local-area median wage as an important gauge for setting an appropriate level of the minimum wage. Second, I propose that state and local governments take into account the local cost of living as a relevant consideration in setting a minimum wage, and I provide estimates of how state minimum wages would vary if they reflected cost-of-living differences. I also recommend the use of regional consumer price indexes (CPIs) to index the local minimum wage. Finally, I propose that cities and counties coordinate regional wage setting to mitigate possible negative effects of local mandates. 

The implementation of the state and local framework does not override the need for reform at the federal level. Thoughtful reforms to the federal minimum wage can help reduce poverty and mitigate inequality. The federal minimum wage has been the focus of substantial debate by academics and policymakers; this proposal focuses on state and local reforms that have received substantially less attention. These state and local reforms can be an important part of the policy portfolio for reducing the incidence of poverty and for helping low-income families support themselves as they strive toward the middle class. In particular, although the federal minimum wage serves as a floor in the labor market, there is some room for additional increases in higher-wage areas.

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In his state of the union and his budget, the President spoke of the stagnation of middle class incomes. Whatever growth we have had has not been broadly shared.  More than 78% of the growth in GDP between 1979 and 2013 has gone to the top one percent. Even Republicans are beginning to worry about this issue although they have yet to develop concrete proposals to address it.

Slow Growth in Incomes

Middle class incomes were growing slowly before the recession and have actually declined over the past decade.   In addition, according to the New York Times, the proportion of the population with incomes between $35,000 and $100,000 in inflation-adjusted terms fell from 53% in 1967 to 43% in 2013.  During the first four decades this was primarily because more people were moving into higher income groups, but more recently it was because they have moved down the ladder, not up.  One can define the middle class in many different ways or torture the data in various ways, but there is plenty of evidence that we have a problem.

What to Do

The most promising approach is what I call “the second earner solution.”  For many decades now, the labor force participation rate of prime age men has been falling while that of women has been rising.  The entry of so many women into the labor force was the major force propelling whatever growth in middle class incomes occurred up until about 2000. That growth in women’s work has now levelled off.  Getting it back on an upward track would do more than any policy I can think of to help the middle class.

Imagine a household with one earner making the average wage of today’s worker and spending full-time in the job market.  That household will have an income of around $34,000. But if he (or she) has a spouse making a similar amount, the household’s income will double to $68,000. That is why the President’s focus on a second-earner credit of $500, a tripling of the child care tax credit, expanding the Earned Income Tax Credit, and providing paid leave are so important. These policies are all pro-work and research shows they would increase employment.

No Marriage = No Second Earner

One problem, of course, is that fewer and fewer households contain two potential workers.  So it would also help to bring back marriage or at least its first cousin, a stable cohabiting relationship.  My ideas on this front are spelled out in my new book, Generation Unbound. In a nutshell, we need to empower women to not have children before they have found a committed partner with whom to raise children in a stable, two-parent family. Whatever the other benefits of two parents, they have twice as much time and potentially twice as much income.    

Other Needed Responses

Shouldn’t we also worry about the wages or the employment of men?  Of course.  But an increase in, say, the minimum wage or a better collective bargaining environment or more job training will have far smaller effects than “the second earner solution.”  In addition, the decline in male employment is related to still more difficult problems such as high rates of incarceration and the failure of men to take advantage of postsecondary education as much as women have. 

Still the two-earner solution should not be pursued in isolation. In the short-term, a stronger recovery from the recession is needed and in the longer-term, more effective investments in education, research, infrastructure, and in labor market institutions that produce more widely-shared growth, as argued by the Commission on Inclusive Prosperity. But do we really expect families to wait for these long-term policies to pay off?  It could be decades. 

In the meantime, the President’s proposals to make work more appealing to existing or potential second earners deserves more attention.  

At 77 years of age, the federal minimum wage deserves a respite from the day-to-day combat of political life. Today, protestors around the country are demanding a $15 minimum. But few observers think this level is economically desirable: even fewer think that it is likely.

Democrats want a higher minimum, and say so loudly. Republicans of a free-market persuasion mostly do not—but tend to stay silent because they know that swing voters look positively at raising the wages of low-earners.

The minimum wage is lagging…

Congressional political stalemate has meant the U.S. wage floor has lagged behind median earnings. In contrast wage growth in other OECD countries has performed much better, as this graph produced by the Hamilton Project shows:

Advanced nations have de-politicized minimum wage decisions

The federal minimum wage is an established piece of the U.S. policy furniture—and one that is quite dated. It now makes sense to consider taking some of the power and responsibility for setting the wage rate out of the hands of politicians—just as interest rates are set by the Federal Reserve.

This is not a novel proposal in international terms. In most advanced economies, minimum wage decisions are not purely political. Out of 66 countries studied by Tito Boeri in 2009, 24 delegate the determination the minimum wage level to a tripartite body; 26 countries set the minimum wage after taking advice following formal consultation between the Government and representatives of employers and workers; and just 16 countries (including the U.S.) set the minimum wage through a simple legislative vote.

Over in the U.K., the Conservative Prime Minister David Cameron just jacked up the national minimum wage by 3% up to £6.70, with barely a squeak of protest from employers or the right wing of his own party. Why? Because, like his two predecessors, he simply followed the advice of the Low Pay Commission, which is comprised of nine commissioners—three each from trade unions, employer organizations and academia.

Two options for taking the political heat out of the U.S. minimum wage

Can the U.S. follow suit? And if it can, what might the new system look like? Two options at least are worth considering.

1. A Federal Minimum Wage Advisory Board. This could be made up (like the U.K. version) of nine members: three representatives of employer organizations, three from labor organizations, and three independent labor economists. The Board would recommend a rate for the national minimum wage each year, which would then be enacted by Congress in the usual manner. The Board would have a strong incentive to set a rate likely to be adopted by Congress, in order to establish and maintain its reputation: there is, after all, little point in sitting on a Board that is ignored. The Board’s recommendation would not be binding and would not become the legal ‘default’ level. But because the advice is likely to be sensible, Congress would likely be inclined to follow it.

2. Wage Indexation. An alternative—favored by my Brookings colleague Gary Burtless—would be to simultaneously raise the minimum wage and introduce automatic indexing, lifting the minimum wage at the same rate as either consumer prices or the median wage—preferably the latter. In effect, this would do for the minimum wage what President Nixon did for Social Security. Congress would have the power to suspend a rise—perhaps if unemployment reached a certain threshold—but the default position would be to link changes in the minimum wage to changes in the median wage or in the broader consumer economy.

Policy commitment devices in action

These are both examples of what I have called policy commitment devices—in a new paper, Ulysses Goes to Washington—that help to overcome political myopia in order to support longer-term policy objectives. In the first case, taking advice from an independent commission, the commitment is somewhat less binding, although as James Madison knew, ‘the counsels and checks of friends’ can carry plenty of weight. Indexation would be a tighter form of binding, since inaction on the part of politicians would lead to an uprating of minimum wage, rather than the current stasis.

For both sides, there are political attractions to sub-contracting some decision-making power over the minimum wage. By accepting the advice of an independent body or allowing indexation to do its silent work, Republicans can keep their business donors and right-wing critics at bay; Democrats can do the same for unions and the political left. Sometimes the most powerful thing politicians can do is give some power away. The minimum wage is now perhaps a case in point.