Recent empirical work has examined the extent to which international trade fosters international spillovers' of technological information. FDI is an alternate, potentially equally important channel for the mediation of such knowledge spillovers. I introduce a framework for measuring...

In a number of theoretical models, it has been shown that technological externalities can generate multiple equilibria in the global pattern of specialization and trade, with different consequences for the relative welfare of the trading countries. In such models, temporary government policies...

"This paper tests the hypothesis that the timing of welfare payments affects criminal activity. Analysis of daily reported incidents of major crimes in twelve U.S. cities reveals an increase in crime over the course of monthly welfare payment cycles. This increase reflects an increase in crimes...