We recently covered the minimum wage in class, and I am providing more detail about the minimum wage and its impact by for students who are interested. In your text, Dr. Mankiw quoted a survey of economists conducted by Alson, Kearl and Vaughn and published in the American Economic Review in 1992 that noted that 79% of economists agree with the statement, "A minimum wage increases unemployment among young and unskilled workers."
Increases in unemployment are not the only problem. A mechanism other than the wage rate determines which low skilled workers will be employed and which will not, leading to discrimination as Dr. Sowell points out in a non-technical article.
David Neumark, perhaps the leading researcher on the minimum wage, speaks at the American Enterprise Institute on the impact of the minimum wage using his most recent research. Dr. Mankiw blogs on Neumark's findings at his blog. Dr. Neumark's research supports traditional findings, and concludes that an earned income tax credit would be a more efficient method of increasing income of poor, low-skilled workers.
Despite the drawbacks, a great many economists support regular increases in the minimum wage. A few years back, over 500 economists, including five Nobel Prize winners in Economics signed an petitoin adding their support for legislation to increase the minimum wage.
Klein and Dompe, in their Econ Journal Watch paper survey economists who signed the petition. They also do a great job of reviewing other surveys of economists on their beliefs about the minimum wage. Although I am doing disservice to the depth of the paper, the economists who signed the petition generally believe that the benefits of raising the minimum wage outweigh the costs. The benefits largely come in dealing with market imperfections that tend to benefit employers relative to employees.
In the Becker-Posner Blog, Dr. Becker expresses regret that so many economists including very good economists, signed the petition. He writes, "A recent petition by over 600 economists, including 5 Nobel Laureates in Economics, advocated a phased-in rise in the federal minimum wage to a much higher $7.25 per hour from the present $5.15 per hour. This petition received much attention, and the number of economists signing is impressive (and depressing). Still, the American Economic Association has over 20,000 members, and I suspect that a clear majority of these members would have refused to sign that petition if they had been asked. They believe, as I do, that the negative effects of a higher minimum wage would outweigh any positive effects. That is one reason I would surmise why only a fraction of the 35 living economists who received the Nobel Prize signed on to the petition--I believe all were asked to sign."
In 2005, Robert Whamples surveys members of the American Economics Association, and finds that 46.8% would favor eliminating the minimum wage, 1.3% would decrease it, 14.3% would leave it at the same level, 38% would increase it by $.50 to more than $1 per hour.
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