When innovation is cumulative, patent protection on early inventions can generate holdup problems if later complementary patents are owned by different firms. Consistent with the property rights literature, we show that shareholder ownership overlap across firms with patent complementarities...

Hochentwickelte Industriestaaten bedürfen permanenter Innovation, um weiterhin wachsen zu können. Nur dadurch ist es möglich, auf dem Weltmarkt Preise zu erzielen, die günstige Terms of Trade und ein hohes Lohnniveau ermöglichen. Die Förderung von Innovation wird damit zu einer zentralen...

China recently surpassed the USA as the greatest global source of patent applications. However, without internationally comparable measures of patent quality it remains questionable whether China's patent expansion constitutes the rise of a new technological superpower. Our novel quality index...