innovation can be systematically distorted. This paper builds a simple model of endogenous technology, which generalizes existing … comparative static results and characterizes potential distortions in the direction of innovation. I show that empirical findings …

Despite the rapid pace of innovation in information and communications technologies (ICT) and electronics, aggregate US … stems in part from an unbalanced sectoral distribution of innovation over the last several decades. Because an industry …'s success in innovation depends on complementary innovations among its input suppliers, rapid productivity growth that is …

reduces carbon emissions by inducing substitution away from coal. Yet, the natural gas boom discourages innovation directed at …