Newell, Richard G.; Jaffe, Adam B.; Stavins, Robert N. - 1998
of energy-using consumer durables, augmenting the hypothesis to allow for the influence of government regulations. For … the products we explored, the evidence suggests: (i) the rate of overall innovation was independent of energy prices and … regulations, (ii) the direction of innovation was responsive to energy price changes for some products but not for others, (iii …