We construct a tractable general equilibrium model of cumulative innovation and growth, in which new ideas strictly … the rate of innovation, as well as a separate optimal required inventive step that maximizes welfare, with the former …

promotion. In this paper, we assess one popular justification for feed-in tariffs, i.e., induced innovation as a positive … spillover externality. Based on regressions with a time-technology fixed effect negative binomial model, we find that innovation …