Van Wijnbergen, S. (1986). Macroeconomic aspects of the effectiveness of foreign aid: On the two-gap model, home goods disequilibrium and real exchange rate misalignment Journal of International Economics, 21(1-2):123--136.
van Wijnbergen, S.J.G. and Edwards, S. (1986). The welfare effects of trade and capital market liberalization International Economic Review, 27(1 (Feb)):141----.