We analyze the problem of preventing biological invasions caused by ships transporting internationally traded goods between countries and continents. Specifically, we ask the following question: Should a port manager have a small number of inspectors inspect arriving ships less stringently or...

Credit rationing in the presence of asset inequality affects production and trade pattern in this paper, but not in the conventional way. A Ricardian general equilibrium framework with heterogeneous levels of asset ownership is developed to show that more equal asset distribution may contract...

This paper examines the short- and long-term effects of urbanization, via favorable urban development policies, on income distribution and social welfare for a developing country. The urban manufacturing sector is characterized by imperfect competition and free entry. Urbanization shifts rural...

The concept of factor intensity has played a key role in the development of international trade theory. The factor proportions utilized in the production of commodities differ from activity to activity. Some commodities employ a higher ratio of capital to labor than do others, and the basic...

The n total consumers in the market for a particular good are made up of b brown and g green consumers so that b+g=n. The b brown (g green) consumers are not (are) environmentally conscious and hence they prefer to buy a new (remanufactured) good denoted by N and R respectively. By strategically...

Various plants and resources such as orchards are vulnerable to the detrimental effects of successful invasions by alien animal or plant species. To outline an appropriate policy response, we first use renewal theory to construct a stochastic model of optimal orchard management in the presence...

Goods are often allocated publically by means of queuing processes in developing countries.In such situations, which group of citizens should a corrupt government official favor? In addition,what should be the basis for this favoritism? To the best of our knowledge, these salient questionshave...

Biodiversity prospecting refers to the exploration of the commercial value of genetic and biochemical resources. In this chapter, we study a drug producing pharmaceutical firm (PF) that searches for potentially useful chemicals made by wild organisms in a conservation area. This PF is able to...