A review of the basic theory of optimal open-source software contributions points to three key factors affecting supply: non-pecuniary benefits, future expected monetary returns, and open-source licence type. This paper argues that existing large-scale software developer surveys are inadequate...

Working as a volunteer is a widespread phenomenon that has both individual and societal benefits. In this paper, we identify the wage returns to working for free by exploiting exogenous variation in rainfall across local area districts in England, Scotland and Wales. Instrumental variables...

We present a dynamic lifecycle model of women's choices with respect to partnership status, labour supply and fertility when a male partner's true tendency for abusive behaviour is unobserved. The model is estimated by the method of simulated moments using longitudinal data from the Avon...

We present a dynamic lifecycle model of women’s choices with respect to partnership status, labour supply and fertility when a male partner’s true tendency for abusive behaviour is unobserved. The model is estimated by the method of simulated moments using longitudinal data from the Avon...

Re-licensing requirements for professionals that move across borders are widespread. In this paper, we measure the returns to an occupational license using novel data on Soviet trained physicians that immigrated to Israel. An immigrant re-training assignment rule used by the Israel Ministry of...

In this paper, we measure the implications of the Israeli-Palestinian conflict for Palestinian employment and earnings. We quantify the conflict by the frequency of temporary closures of the West Bank and Gaza Strip and the number of overseas foreign workers in the Israeli labor market. Data on...