Last January, Rep. Charles Rangel (D, N.Y.) introduced the "National Service Act of 2003" to reinstate compulsory service for U.S. citizens. According to Rangel, the nation's defense should not be "the sole responsibility of paid volunteers," and "the sacrifice must be equally shared" among all...

Jobs differ along many dimensions including firm size. The wage gap due to firm size of 35% is comparable to the gender wage gap of 36% for men over women and greater than the wage gap of 14% for whites over black employees. The size-wage premium is larger for men and varies across industries....

"Progress is usually defined by the growth rate of real per capita income. It is not a sufficient statistic but one that has to do. The extent to which the accumulation of ordinary human capital is responsible for progress is examined. There is, I contend, no place for a concept of...