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...

Ken Arrow (1998) asks, “What has economics to say about racial discrimination?” He replies – entirely correctly – that racial “segregation within an industry – that is, firms with either all black or all white labor forces” – may be explained by economic theory, but “the...

Diverse identities, some socially shared, arise from a person’s affiliation with multiple overlapping communities, which are non-disjoint subsets of persons in society. I prove that identification of each individual with binary preferences or their utility function representation, commonplace...

A country’s production possibility frontier or PPF is defined as the boundary of its economy’s production set in the net output space for a given technology and fixed quantities of primary factors of production. In general equilibrium theory, exogenous changes in technology or primary-factor...

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...

For a very general, small open less-developed country with a convex production set, the shadow price of foreign exchange is lower with tariffs on one subset of imports and VERs on another than with tariffs and quotas. This is true with and without international capital mobility. Furthermore, the...

A country’s production possibility frontier or PPF is defined as the boundary of its economy’s production set in the net output space for a given technology and fixed quantities of primary factors of production. In general equilibrium theory, exogenous changes in technology or primary-factor...