Although popular in some circles, efficiency wage models of the labour market have proved surprisingly difficult to test and direct evidence for the central tenets of the theory is rare to non-existent. In this paper we propose a simple test of the Shapiro-Stiglitz shirking model which is based...

In models recently published by several influential macroeconomic theorists, rigidity in the real wages that firms pay newly hired workers plays a crucial role in generating realistically large cyclical fluctuations in unemployment. There is remarkably little evidence, however, on whether...

This paper considers a long-term relationship between two agents who both undertake a costly action or investment that together produces a joint benefit. Agents have an opportunity to expropriate some of the joint benefit for their own use. Two cases are considered: (i) where agents are risk...

This paper investigates the evolution of skill imbalances in the UK labour market over the past two decades. Movements in the relative ease with which firms can recruit skilled workers can affect unemployment, inflation, and productivity. Any assessment of changes in the skill balance is...

In this paper a matching model with variable search intensity that incorporates the inactive is developed and calibrated. The model is used to look at possible explanations for the recent sharp decline in the UK working-age unemployment rate, which has been accompanied by only a moderate...

This paper considers a long-term relationship between two agents who undertake costly actions or investments which produce a joint benefit. Agents have an opportunity to expropriate some of the joint benefit for their own use. The question asked is how to structure the investments and division...