This discussion paper has resulted in ch. 4 of <A href="http://books.google.nl/books?hl=nl&lr=&id=edksC0nRPZYC&oi=fnd&pg=PR7&dq=allesintitel:+%22Labor+Market+Institutions+and+Public+Regulation%22&ots=-umxBkjdnT&sig=oeFDTjhnSeo-w-4nuTjTJpuaUr8#v=onepage&q=&f=false">'Labor Market Institutions and Public Regulation'</A>, pp. 123-61, (Jonas Agell, Michael Keen, Alfons Weichenrieder (eds.)), 2004, MIT Press, 228 p.

We argue that promoting education may be a means to reduceincome inequality. When workers of different skill levels areimperfect substitutes in production, an increase in the level ofhuman capital in the economy reduces the return to education.Hence, a given compression of after-tax incomes can...