In an earlier paper the authors clarified the relationship between the stability of long--run equilibrium and the possibility of paradoxical comparative statics in the Lerner--Samuelson two--by--two model of production with factor--market distortions (see "Review of International Economics" 9...

Conditions sufficient for factor price equalization within any non-trivial subset of trading countries are provided. The conditions are that (a) the factor endowment ratios of countries in the subset are all bounded by the factors-in-use ratios in an equilibrium of the hypothetical world economy...

It is shown by robust example that if a household's financial budget and its Gossenian time budget are binding in equilibrium then at least one commodity must be inferior in the household's consumption.