Drawing insights from the field of innovation economics, we discuss the likely competitive environment shaping … stifling broad sectoral innovation. We conclude with speculations regarding how this oligopolistic future might be averted …

Does regulation affect the pace and nature of innovation and if so, by how much? We build a tractable and quantifiable … sharp reduction in the firm's innovation response to exogenous demand shocks for firms just below the regulatory threshold …. We then quantitatively fit the parameters of the model to the data, finding that innovation at the macro level is about 5 …

-by-step innovation. Innovations result from costly R&D investments and move technology up one step. Competition is inversely measured by …-and-neck. All these results are consistent with the predictions of step-by-step innovation models …

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