6 de janeiro de 2012

Social Mobility


Working Economics - The Economic Policy Institute Blog



Posted: 05 Jan 2012 02:37 PM PST
Inequality means that some income earners claim a larger slice of the pie than others. Some people might argue that this is not such a big problem if everyone has an equal shot at winding up at the top. Some even claim that this is the essence of the American Dream; that regardless of where you begin, if you work hard, you can have all the opportunities to succeed.
Unfortunately, income mobility—movement between income classes—is less common than purveyors of the American Dream would have you believe. An article by Jason DeParle in today’s New York Times discusses important findings from five large studies, including research by Markus Jantti and coauthors and Miles Corak, which both show mobility in the U.S. lags behind its peers. Significant other research has demonstrated a similar lack of mobility in the U.S.
In a world of perfect mobility, people will be able to move up in the income distribution with hard work and dedication, regardless of where in the distribution they started out. One way of thinking about this is by looking at college completion rates by income status and eighth grade test scores. If all it took were high test scores to get ahead, no matter what your income, you would have an equal opportunity to graduate from college. These data tell another story: High-income students who have low test scores are more likely to graduate from college than low-income students with high test scores.
Other research demonstrates that mobility is more restricted for some groups than others. African Americans who start out in the bottom 25 percent of the income distribution are nearly twice as likely to remain there than whites.  In addition, white Americans who start out in the bottom 25 percent are about four times more likely to make it to the top 25 percent of the income distribution than blacks.
As DeParle notes in his article, the notion of the American Dream is actually less common in the U.S. than in many peer nations. Look at the relationship between a son’s earnings and his father’s earnings. The likelihood of a son staying in the bottom 40 percent of the wage distribution if his father was in the bottom 20 percent is higher for those in the U.S. than in peer countries (Denmark, Finland, Norway, Sweden and the United Kingdom). The U.S. also boasts lower rates of upward mobility because a lower share of sons with low-income fathers end up in the top 40 percent of the wage distribution than in similar countries.
new paper by Katharine Bradbury released last fall looks at changes in mobility across time. The figure below shows the percent of those in the poorest and richest quintiles that move up or down and those that move far over the subsequent 10 years.
While it is not clear that mobility has fallen, it is evident that mobility has not increased. Although many argue that income inequality is acceptable in the U.S. if mobility is also greater, this clearly shows that mobility has not increased enough to offset the drastic rise in inequality over the last 30 years.
Posted: 05 Jan 2012 12:42 PM PST
In his excellent piece in today’s New York Times on the declining economic mobility of Americans, Jason DeParle mentions a commentary by Reihan Salam for the National Review Online, “Should we care about relative mobility?
Salam disputes that there’s anything wrong in the natural tendency of economically successful families to give their children special advantages in the competition for jobs, education and other resources. He admits, however, that affluent white families may have social networks that blacks cannot access and that protect whites, but not blacks, from downward mobility. Salam writes:
“To be sure, there might be an incumbent-protection story here, as Scott [Winship] has suggested. That is, it is possible that non-black families in the top three-[fifths] of the income distribution are giving their children advantages that protect them from scrappy upstarts in ways that might damage our growth prospects. That really is a legitimate concern.”
The particular mechanism Salam identifies – internships — is one that EPI has identified as a serious problem for the economic mobility of minorities and for the labor market in general.  Salam recognizes that internships are sometimes reserved for the affluent: “Moreover, parents who have achieved some success tend to be part of social networks that can give their children access to valuable economic opportunities. Even the most committed egalitarian won’t deny her daughter the opportunity to take an internship with a beloved friend and colleague just because other children won’t get the same leg up.”
Unpaid internships, in particular, exclude students from poorer families who can’t afford to work for nothing for a summer or a semester, especially after they graduate from college with tens of thousands of dollars of student loan debt. The children of affluent families, on the other hand, can afford to live in the most expensive cities in the U.S., such as New York and Washington, making contacts, building their resumes, and sometimes even learning skills, while their parents pay for their room and board, travel and entertainment. Before even taking into account the family connections that reserve some of the best opportunities for the sons and daughters of the affluent, the $4,000-$5,000 cost of, for example, moving to Washington and living for 10 weeks prevents almost any working class kid from taking an unpaid internship.
As Ross Perlin points out in his meticulously researched book, Intern Nation, the number of unpaid internships is growing exponentially, fueled by the failure of the U.S. Department of Labor to enforce the minimum wage, a new industry of internship coordinators and consultants, and the recession. It’s hard to quantify the impact of this phenomenon on the decline in economic mobility, but I suspect it has been substantial and will continue to grow until the  Department of Labor cracks down on what is, in many cases, illegal exploitation.

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