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Pekkala Kerr, Sari; Kerr, William R. - 2016

We study the prevalence and traits of global collaborative patents for U.S. public companies, where the inventor team is located both within and outside of the United States. Collaborative patents are frequently observed when a corporation is entering into a new foreign region for innovative...

Persistent link: https://www.econbiz.de/10011561206

Heterogeneous technology diffusion and ricardian trade patterns

Kerr, William R. - 2016

Migration and trade are often linked through ethnic networks boosting bilateral trade. This study uses migration to quantify the importance of Ricardian technology differences for international trade. The framework provides the first panel estimates connecting country-industry productivity and...

Persistent link: https://www.econbiz.de/10011568775

Innovation network

Acemoglu, Daron; Akcigit, Ufuk; Kerr, William R. - 2016

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … predictive power on future innovation after 1995. This pattern is consistent with the idea that when there is more past upstream …

Persistent link: https://www.econbiz.de/10011557905

Dynamic mergers effects on R&D investments and drug development across research phases in the pharmaceutical industry

Siebert, Ralph; Tian, Zhili - 2020

Pharmaceutical ﬁrms spend increasing amounts in mergers and acquisitions (M&As), which raises the question of whether sufficient investment is left after mergers to further develop ﬁrms' internal drug development capability. We evaluate the effects of M&As on ﬁrms' post-merger R&D...

Persistent link: https://www.econbiz.de/10012219372

The impact of entry regulation on total welfare : a policy experiment

Liu, An-Hsiang; Siebert, Ralph; Zulehner, Christine - 2013

This paper evaluates how different lengths of entry regulation impact market structure and market performance using a dynamic structural model. We formulate an oligopoly model in the tradition of Ericson and Pakes (1995) and allow entry costs to vary over time. Firms have the opportunity to...

Persistent link: https://www.econbiz.de/10009764443

Are ex ante and ex post licensing agreements useful instruments to lessen uncertainty in R&D?

Siebert, Ralph - 2013

In the last decades, technologies became more complex which increased the degree of uncertainty in R&D. To overcome the uncertainty, firms frequently engage in R&D collaborations, e.g., Research Joint Ventures (RJVs), and licensing agreements. While RJVs are well explored in the literature, very...

Persistent link: https://www.econbiz.de/10010223406

The impact of R&D cooperations on drug variety offered on the market : evidence from the pharmaceutical industry

Banerjee, Tannista; Siebert, Ralph - 2014

Our study puts special attention to the fact that R&D cooperations in the pharmaceutical industry are formed at different stages throughout the drug development process. We study if the timing to engage in R&D cooperations in the pharmaceutical industry has different impacts on the technology...

Persistent link: https://www.econbiz.de/10010229875

The impact of horizontal mergers on market structure : evidence from the semiconductor industry

Siebert, Ralph - 2016

-level information on mergers, production, and innovation in the dynamic random access memory semiconductor market from 1985 to 2004. Our …

Persistent link: https://www.econbiz.de/10011481190

Immigrant entrepreneurship

Pekkala Kerr, Sari; Kerr, William R. - 2016

We examine immigrant entrepreneurship and the survival and growth of immigrant-founded businesses over time relative to native-founded companies. Our work quantifies immigrant contributions to new firm creation in a wide variety of fields and using multiple definitions. While significant...

Persistent link: https://www.econbiz.de/10011565661

Global talent flows

Pekkala Kerr, Sari; Kerr, William R.; Özden, Çağlar; … - 2016

The global distribution of talent is highly skewed and the resources available to countries to develop and utilize their best and brightest vary substantially. The migration of skilled workers across countries tilts the deck even further. Using newly available data, we first review the landscape...

Persistent link: https://www.econbiz.de/10011566486