Following Smith¡¯s advocacy of free trade and competition, David Ricardo attempts to strengthen his theory of absolute advantage, which excludes from international trade countries which have no advantages over others, by eliminating this weakness. To do so, Ricardo introduces to the economics...

In this paper, a model is set up to determine the size of the wildlife population compatible with the extraction of the maximum output by rural people from natural resources. It is found that when the size of human population increases, to obtain the maximum output of food, the size of wildlife...

This paper assesses the impact of economic globalisation on the South African auto industry. First, a duopoly model of differentiated products is used, which allows the determination of the free trade and protection dividing line. This determines the stay-exit function, which shows the...

From Arthur Lewis' seminal paper to Michael Todaro's model, there has been an attempt to explain migration from rural to urban areas. However, no attempt has been made to determine the trajectory of employment in a dual economy in order to increase employment. In this paper, we set up a planning...

In the main duopoly models such as that of Cournot, Bertrand and Dixit, the products are homogeneous and the price of one producer is expressed as a function of variables such as the output or the price of the other producer. However, in the real world, products are differentiated and price...