For the last half century, trade theorists, development economists, and development practitioners have been calculating what was claimed to be the shadow price of scarce foreign exchange. In fact, what they have been calculating is the social value of the receipt of a unit of a numeraire good...

Dual economy, large unemployment, a fixed number of skilled workers, perfect capital mobility, migrant labor force working in South African gold mines, and a cycle of poverty characterize Lesotho. This paper develops a general equilibrium model for Lesotho specifying these absorbing economic...