We study a structural model of R&D alliance networks in which firms jointly form R&D collaborations to lower their production costs while competing on the product market. We derive the Nash equilibrium of this game, provide a welfare analysis and determine the optimal R&D subsidy program that...

We study the impact of job proximity on individual employment and earnings. The analysis exploits a Swedish refugee dispersal policy to get exogenous variation in individual locations. Using very detailed data on the exact location of all residences and workplaces in Sweden, we find that having...

Workers can have good or bad work habits. These traits are transmitted from one generation to the next through a learning and imitation process, which depends on parents' investment in the trait and the social environment where children live. We show that if a sufficiently high proportion of...