Food security has a dynamic notion during the time and may be affected by various domestic and global factors.Nevertheless, Iranian policy makers consider food security as same as self-sufficiency in agricultural food products, particularly wheat production. However, self-sufficiency can contribute to food security only if it is in coincidences with comparative advantage and sustainable resourc...

There is a considerable amount of controversy about the model(s) of comparative advantage and its applicability to international business, in particular as a guide to the success of nations and/or firms in international markets. This perception (or understanding) of inapplicability of the model(s) of comparative advantage has lead international business experts to develop new models, or what ma...

This is a case study of industrial systems development. In the project studied, an advanced computer application was developed with the intention of supporting complex, cooperative work. The project participants all viewed the emerging computer application in context. However, different contexts were used by each group of actors. Since the application was placed in contexts well known by the pa...

The Medicare Modernization Act of 2003 explicitly increased Medicare payments to private Medicare Advantage (MA) plans. As a result, every MA plan in the nation is paid more for its enrollees than they would have been expected to cost in traditional fee-for-service Medicare. The authors calculate that payments to MA plans in 2008 will be 12.4 percent greater than the corresponding costs in trad...

Contract Enforcement, Comparative Advantage and Long-Run Growth* The effects of the quality of institutions on economic development and comparative advantage have been so far investigated separately. This paper proposes a theoretical framework in which trade patterns and growth rates are jointly determined by international differences in contract enforcement that affect firms' organizational de...

According to the classical Ricardian theory of comparative advantage, relative labor productivities determine trade patterns. The Ricardian model plays an important pedagogical role in international economics, but has received scant empirical attention since the 1960s. This paper assesses the contemporary relevance of the Ricardian model for US trade. Cross-section seemingly unrelated regressio...

Changes in comparative advantage should reflect changes in factor endowment, but increasingly, changes in trade policies also affect a region’s trade performance. Based on the arguments in Balassa’s stages of comparative advantage thesis, this paper looks at the performance of manufacture exports in a number of Asian and Latin American economies over the period 1981-1997 and examines the reveal...