This paper presents the results of an evaluation of the WinEcon computer-based learning (CBL) software released into the academic community in September 1995. The focus of the paper is the impact of continued and directed WinEcon use on students' learning as measured by their examination...

This paper presents a critical survey of theories of migration, their welfare and policy implications and their empirical relevance. We also develop some extensions to the theory beginning with the Harris and Todaro (HT) model. In particular, the HT model is extended to examine risk averse...