Mythology of the Minimum Wage
Once again politicians and pundits are calling for increases in the legal minimum wage. Their reasons are familiar. Market wages are supposedly immoral. People need to earn a "living wage." If the minimum wage went up at least to $7, or better still to near $10 an hour, millions would be lifted out of poverty.
The economic case against minimum wage laws is simple. Employers pay a wage no higher than the value of an additional hour's work. Raising minimum wages forces employers to dismiss low productivity workers. This policy has the largest affect on those with the least education, job experience, and maturity. Consequently, we should expect minimum wage laws to affect teenagers and those with less education. Eliminating minimum wage laws would reduce unemployment and improve the efficiency of markets for low productivity labor.
There are a few economists who have been leading the charge for higher minimum wages. Some of these economists have obvious ideological leanings. Economists connected with the Left -orientated Economic Policy Institute and the Clinton Administration have concocted a rational for minimum wage increases. According to these economists higher wages make employees more content with their jobs, and this leads to higher worker productivity. Thus workers will be worth paying a minimum wage once their employers are forced to pay these wages. Of course, if this were true — if employers could get higher productivity out of less educated and experienced workers by paying higher wages — they would be willing to do this without minimum wage legislation. But the economists who make this case claim to have empirical evidence that proves them right. Economists David Card and Alan Krueger have published studies of the fast food industry indicated that small increases in the minimum wage would cause only minor job losses, and might even increase employment slightly in some instances. These studies by Card and Krueger show only that a small increase in minimum wage rates might not cause much of an increase in unemployment. Such studies ignore the fact that the current level of minimum wages are already causing significant unemployment for some workers.
The economic case for minimum wage increases has gained some ground with public and even professional opinion. Even some free market leaning economists, like Steven Landsburg, have conceded that minimum wages increases do not affect employment significantly. Landsburg notes that critics of minimum wage laws emphasize that they have a disproportionate effect on teens and blacks. But he dismisses these critics because "minimum wages have at most a tiny impact on employment … The minimum wage kills very few jobs, and the jobs it kills were lousy jobs anyway. It is almost impossible to maintain the old argument that minimum wages are bad for minimum-wage workers."
Real statistics indicate that the critics of minimum wage laws were right all along. While it is true that minimum wages do not drive the national unemployment rate up to astronomical levels, it does adversely affect teenagers and ethnic minorities. According to the Bureau of Labor Statistics the unemployment rate for everyone over the age of 16 was 5.6% in 2005. Yet unemployment was 17.3% for those aged 16-19 years. For those aged 16-17 unemployment was 19.7%. In the 18-19 age group unemployment was 15.8%. Minimum wage laws do affect ethnic minorities more so than others. The unemployment rate for white teens in the 16-17 age group was 17.3% in 2005. The same figures for Hispanic and black teens were 25% and 40.9% respectively. Of course, these figures decrease for older minorities. Blacks aged 18-19 and 20-24 had 25.7% and 19.9% unemployment in 2005. For Hispanics unemployment was slightly lower — 17.8% at age 18-19 and 9.6% at age 20-24.
Landsburg might maintain that most of these lost jobs are lousy jobs that teens will not miss. DeLong thinks that minimum wage laws can help to avert poverty — workers who keep their jobs at the minimum wage gain much, while unemployed workers lose little. Part of the problem with this argument is that it involves arbitrary value judgments. According to mainstream economic theory, we achieve economic efficiency when markets clear because this is how we realize all gains from trade. With teen unemployment in double digits — running as high as 40.9% — it is obvious that some labor markets are not clearing. If labor market imperfections led to such levels of unemployment, economists like DeLong, Card, and Krueger would call for government intervention to correct these "market failures." Yet they find double digit teen unemployment acceptable when it derives from government intervention. Why? Because they want to use such policies to redistribute income.
Mainstream economic theory lacks any basis for judging the effects of income redistribution. According to textbook economics we attain the highest level of economic efficiency when markets clear, when we realize the maximum gains from mutually advantageous trade. Income transfers benefit some at the expense of others. Economists have no scientific methods for comparing gains and losses through income transfers. Once economists depart from discussing efficiency conditions and begin to speak about income redistribution, they become advocates of a political agenda, rather than objective scientists. The jobs lost to minimum wage laws might not seem worthwhile to DeLong or Landsburg, but they obviously are worthwhile to the workers and employers whom these laws affect. Why should the value judgments of a few armchair economists matter more than the interests of would be employees and employers? These jobs may be "lousy jobs," but one could also argue that these jobs are quite important because they are a first step in gaining job experience and learning adult responsibility.
A second problem with the case against minimum wages is that they affect older workers too. As already noted, workers in the 20-24 age group appear to be affected by minimum wage laws. Unemployment rates in the 25-34 age group are higher than for the 35-44 age group. The unemployment rate for blacks and Hispanics aged 25-34 were 11.1% and 5.8% in 2005. Unemployment for whites and Asians in this age group were 4.4% and 3.5%. In the 35-44 age group the unemployment rates for these four ethnicities were 7.2%., 5.1%, 4.4%, and 2.7%. A comparison of black to Asian unemployment is revealing. In the United States, Asians tend to attain higher levels of education than blacks. Thus minimum wage laws are relatively unimportant to Asian Americans. Consequently, Asians are able to attain unemployment as low as the 2-3% range. For Asians aged 16+ the unemployment rate was only 3.3% in 2005. For Asians in the 20-24 age group unemployment was 5.1%. These figures are only a fraction of the unemployment rates experienced by blacks in 2005. There is no reason why white, Hispanic, and black Americans cannot also reach the 2-3% range of unemployment.
Supporters of minimum wage laws do not realize that prior to minimum wage laws the national unemployment rate did fall well below 5%. According to the US Census, national unemployment rates were 3.3% in 1927, 1.8% in 1926, 3.2% in 1925, 2.4% in 1923, 1.4% in 1919 and 1918, 2.8% in 1907, 1.7% in 1906, and 3.7% in 1902. Even today, some states have unemployment rates as low as 3%. Virginia now has an unemployment rate of 3.1%. Wyoming has an unemployment rate of 2.9%. Hawaii has an unemployment rate of 2.6%. National unemployment rates seldom drop below 5% because some categories of workers are stuck with double digit unemployment. Given these figures, it is quite arguable that minimum wage laws keep the national unemployment rate 3 percentage points higher than would otherwise be the case.
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The economic case for a living wage is unfounded. Current minimum wage rates do create high levels of unemployment among low productivity workers. Higher "living wages" would only make these problems worse. The alleged moral case for a living wage ignores the fact that minimum wage increases adversely affect the very people whom advocates of living wages intend to help. If politicians wish to pursue sound policies, they should consider repealing minimum wage laws, especially where teens are concerned. Unfortunately, most politicians care more about political expediencies than sound economic policy. This being the case, minimum wages will increase unless public opinion changes significantly.
 This is likely due to the poor quality of many inner city public schools.
 It is worth noting that Landsburg opposes redistribution via minimum wage laws.
 This would require interpersonal comparisons of welfare. Robbins (1933) proved that such comparisons are unscientific.
 US Bureau of the Census Historical Statistics p135.