Innovation processes within corporations increasingly tap into international technology sources, yet little is known about the relative contribution of different types of innovation channels. We investigate the effectiveness of different types of international technology sourcing activities...

We use the U.S. patent data merged with firm-level datasets to establish new facts about the role of mega firms in generating "novel patents"--innovations that introduce new combinations of technology components for the first time. While the importance of mega firms in novel patents had been...

This paper explores the impact of intellectual capital on new product development performance. The study is conducted on more than 200 public companies from the USA and Russia over the period 2005-2009. The authors employ panel data analysis to discover the specific intangible drivers of...

This paper studies the impact that ethnic innovators have on the global activities of U.S. firms by analyzing detailed data on patent applications and on the operations of the foreign affiliates of U.S. multinational .rms. The results indicate that increases in the share of a firm's innovation...

A merger between two innovation competitors is often suspected to reduce the variety of heterogeneous entities which are currently undertaking R&D or which are well situated to undertake R&D in a certain field. The consequential reduction of "diversity" can be detrimental to innovation because...

We study the effects of managerial practices in schools on students' outcomes. We measure managerial practices using the World Management Survey, a methodology that enables us to construct robust measures of management quality comparable across countries. We find substantial heterogeneity in...