We introduce a racing model with multiple product generations, product innovation, spin-outs, and licensing. Industry conditions and innovation characteristics affect who wins the race and who markets the resulting product. Small firms market their innovations when they pioneer a new generation...

Why do some U.S. states have higher levels of marital formation than others? This paper introduces an economic model wherein a state's representative individual may choose to marry in order to diversity his or her idiosyncratic income risk. The paper demonstrates that such a diversification...

We find differential rates of cohabitation with adult relatives as well as differential impacts of that cohabitation on the probability of employment for married female immigrants across regions of origin. This suggests that traditions and/or cultural determinants of family structure influence...