contribution of each source to innovation in the US economy. Although customers are the most frequent outside source, inventions …. As a group, external sources of invention make a significant contribution to the overall rate of innovation in the … economy. Innovation policies, both public and private, should pay careful attention to external supply of invention, and the …

The history of innovation in the chemical industry offers many insights for accelerating energy innovation. In this … chapter, we begin by laying out the early history of the chemical industry for an overview of the role innovation has played … coal to oil, and briefly analyze two government programs that have attempted to promote innovation: synthetic rubber and …

How do political connections affect firm dynamics, innovation, and creative destruction? To answer this question, we … build a firm dynamics model, where we allow firms to invest in innovation and/or political connection to advance their …

of innovation and imitation, we explore how inventive capability affects a firm's R&D investments, and thus whether and … innovation and the division of innovative labor among US manufacturing firms, we find that high capability firms tend to use …

This paper studies the effect of corporate and personal taxes on innovation in the United States over the twentieth … innovation: higher personal and corporate income taxes negatively affect the quantity and quality of inventive activity and shift … to another are important, but do not account for all of the effect. Agglomeration effects from local innovation clusters …

How do non-practicing entities ("Patent Trolls") impact innovation and technological progress? Although this question …", who exploit the patent system to extract rents and thereby hurt innovation. We employ unprecedented access to NPE … also find that downstream innovation drops in fields where patents have been acquired by NPEs. Finally, our numerical …

misallocation of talents to innovation …