Workers are embedded within a network of social relationships and can communicate through word-of-mouth. They can find a job either directly or through personal contacts. From this micro scenario, we derive an aggregate matching function that has the standard properties but fails to be...

Using case studies drawn from the authors' own and others' research, this working paper describes and compares some of the ways land conflicts reflected, intensified or reshaped struggles over authority within and between families, local communities, institutions and states in post-colonial...

Kirman's ant model has been used to characterize the expectation formation of financial investors who are prone to herding. The model's original version suffers from the problem of N-dependence: its ability to replicate the statistical features of financial returns vanishes once the system size...

Using data on the age, sex, ethnicity and criminal involvement of 14.3 million residents aged 10-89 residing in 4,007 neighborhoods in the Netherlands, this article tests whether an individual's decision whether or not to be involved in crime is affected by the number of criminals in the...

We use life satisfaction and Body Mass Index (BMI) information from three waves of the SOEP to test for social interactions in BMI between spouses. Social interactions require that the cross-partial effect of partner's weight and own weight in the utility function be positive. Using life...