Using a new global data base on patents and innovation inputs, the authors examine the process of knowledge creation measured by the dynamic relationship between research and development and U.S. patents granted. They confirm at the country level the recurrent micro-level finding of a strong...

Using a new global data base on patents and innovation inputs, the authors examine the process of knowledge creation measured by the dynamic relationship between research and development and U.S. patents granted. They confirm at the country level the recurrent micro-level finding of a strong...

Using data from Mexico, the authors study empirically the link between trade policy and individual income risk and the extent to which this varies across workers of different human capital (education) levels. They use longitudinal income data on workers to estimate time-varying individual income...

This paper models an entrepreneur's choice between investing in a safe activity or experimenting with a new risky one, and how much to invest in the "entrepreneurial capital" that would permit more effective use of the arriving information on the latter- how much to learn how to learn. Optimal...

This paper investigates the relationship between immigration and the size of the informal or underground economy. Using regional variation for the Spanish provinces we find that the massive immigration wave between 2000 and 2009 is highly correlated to the share of unregistered employment, a...

Simplified tax regimes reduce both tax rates and compliance costs for small firms. On the one hand, these regimes increase the number of businesses formally registered and have the potential of also expanding the safety net when they subsidize the contributions to social security of workers in...