In this paper we develop a North-South trade model in which the South produces food and the North produces both food and a high-tech good. Food production is undertaken by unskilled workers, while the high-tech product is made only by horizontally differentiated skilled workers. Owing to the...

We analyze how product differentiation influences firms' choice between exporting and foreign direct investment. When product specifications are determined endogenously, we show that there is no symmetric solution to the product specification subgame. The cost disadvantage of an exporting firm...

We examine the interplay between market structure and the form that commodity taxation should take in a general equilibrium model in which firms produce differentiated products and so are able to exert market power. Our analysis takes account of two important recent developments that affect...

We examine the interplay between market structure and the form that commodity taxation should take in a world in which firms produce differentiated products and so are able to exert some degree of market power. Our analysis takes explicit account of two important recent developments that carry...

1 Introduction -- 1.1 Introduction -- 1.2 Least Cost Theory -- 1.3 Central Place and Interdependence Theories -- 1.4 Other Approaches -- 1.5 Conclusion -- 2 Objectives of the Study -- 2.1 Introduction -- 2.2 Description of the Theoretical Model -- 2.3 Comparison with Planning Models -- 2.4...