Showing 1 - 10 of 51
choice between incremental and radical innovation, and on how managers of different ages and human capital are sorted across … measures of creative innovations proxy for innovation quality (average number of citations per patent) and creativity (fraction …
Persistent link: https://www.econbiz.de/10013034169
An endogenous growth model is developed where each period firms invest in researching and developing new ideas. An idea increases a firm's productivity. By how much depends on how central the idea is to a firm's activity. Ideas can be bought and sold on a market for patents. A firm can sell an...
Persistent link: https://www.econbiz.de/10013006902
An endogenous growth model is developed where each period firms invest in researching and developing new ideas. An idea increases a firm's productivity. By how much depends on how central the idea is to a firm's activity. Ideas can be bought and sold on a market for patents. A firm can sell an...
Persistent link: https://www.econbiz.de/10012458900
I examine the impact of pharmaceutical innovation, as measured by the vintage (world launch year) of prescription drugs …
Persistent link: https://www.econbiz.de/10013065798
I analyze the effects of four types of medical innovation and cancer incidence on U.S. cancer mortality rates during … that there were no pre‐dated factors that drove both innovation and mortality and that there would have been parallel … trends in mortality in the absence of innovation, the estimates indicate that there were three major sources of the 13 …
Persistent link: https://www.econbiz.de/10013070032
the elasticity of innovation with respect to the expected price of drugs should be at least as great as the elasticity of … innovation with respect to expected market size (disease incidence). I examine the cross-sectional relationship between … pharmaceutical innovation and market size among a set of diseases (different types of cancer) exhibiting substantial exogenous …
Persistent link: https://www.econbiz.de/10012778306
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 … innovate. In addition, political connections relate to a higher rate of survival, as well as growth in employment and revenue …
Persistent link: https://www.econbiz.de/10012909902
This paper studies the effect of corporate and personal taxes on innovation in the United States over the twentieth … century. We use three new datasets: a panel of the universe of inventors who patent since 1920; a dataset of the employment … innovation: higher personal and corporate income taxes negatively affect the quantity and quality of inventive activity and shift …
Persistent link: https://www.econbiz.de/10012911499
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 …
Persistent link: https://www.econbiz.de/10012889482
education and the individual's IQ are controlled for; (ii) IQ has both a direct effect on the probability of inventing an … indirect impact through education. The effect of IQ is larger for inventors than for medical doctors or lawyers. The impact of … misallocation of talents to innovation …
Persistent link: https://www.econbiz.de/10012941423