Front matter to "Trade and Employment in Developing Countries, Volume 2: Factor Supply and Substitution"

Trade and Employment in Developing Countries, Volume 2: Factor Supply and Substitution (University of Chicago Press, 1982), https://www.nber.org/books-and-chapters/trade-and-employment-developing-countries-volume-2-factor-supply-and-substitution/front-matter-trade-and-employment-developing-countries-volume-2-factor-supply-and-substitution.