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...