Economic theories of systems of cities explain why production and consumption activities are concentrated in a number of urban areas of different sizes and industrial composition rather than uniformly distributed in space. These theories have been successively influenced by four paradigms: (i)...

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...

This paper develops 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 dierentiated skilled workers. Due to the possibility...

In this paper I analyze the impact of basic training and specialized training on the distribution of skill, income disparity, social welfare, and on the structure of a decentralized specialized city system. This is done in a spatial general-equilibrium model of a closed economy producing a...

When do we have a company town and when do we have a multi-firm city? In this paper I analyze the impact of public infrastructure investment decisions on types of cities in a decentralized urban system. This is done in a one-sector spatial general equilibrium model of a closed economy....

This paper develops 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. Due to the possibility...