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 …

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 …

Do political connections affect firm dynamics, innovation, and creative destruction? We study Italian firms and their … firms to invest in innovation and/or political connection to advance their productivity and to overcome certain market …