This paper reviews the literature on two-sided atomeless assignment models of workers to tasks. Using simple parametric examples, the fundamental differences between the comparative advantage and the scale of operations models are illustrated. Holding the distributions of abilities and tasks and...

The purpose of this paper is to review what has been learnt about Irish migration from the work of social scientists, largely economists. For most of its modern history, Ireland has experienced large net outflows. I discuss how the outflow was made up of lower skilled people up until the 1980s...