This paper sheds light on the questions, Why does knowledge spill over? and How does knowledge spill over? The answer to these questions lies in the incentives confronting scientists to appropriate the expected value of their knowledge considered in the context of their path-dependent career...

We study the effects of differences in local financial development within an integrated financial market. To do so, we construct a new indicator of financial development by estimating a regional effect on the probability that, ceteris paribus, a household is shut off from the credit market. By...

What determines the quality of entrepreneurs? To address this question, the paper proposes a simple model of the interaction between individual workers’ decision to become entrepreneurs and established firms’ effort to keep their best workers and ideas. The main prediction from the model is...