To date, empirical investigations of trade liberalization under the conditions of increasing returns to scale (IRS) and imperfect competition (IC) have either assumed or imposed the market and productive structures necessary for such a model. However, of the recent IRS/IC models used to simulate...

This paper investigates the impact of openness to trade and higher levels of human capital on the economies of some MENA countries. To answer the question: whether either human capital or openness can be shown to cause productivity, we use panel data on 16 countries spanning the 1965-2000...