This paper presents a model of international portfolio choice based on the pattern of comparative advantage in goods trade. Countries have varying degrees of similarity in their factor endowment ratios, and are subject to aggregate productivity shocks. Risk averse consumers can insure against...

We quantify the causal effect of foreign investment on total factor productivity (TFP) using a new global firm-level database. Our identification strategy relies on exploiting the difference in the amount of foreign investment by financial and industrial investors and simultaneously controlling...

Washington's `revolving door' -the movement from government service into the lobbying industry- is regarded as a major concern for policy-making. We study how ex-government staffers benefit from the personal connections acquired during their public service. Lobbyists with experience in the...

This paper studies if and how individual-level patenting activity changes as an employee transitions to entrepreneurial firm founder. Using a large database of employment and innovative histories of over 1110 spinoff firm founders, the empirical strategy tracks both founders and her co-inventors...

Innovative startups are frequently acquired by large incumbent firms. On the one hand, these acquisitions provide an incentive for startup creation and may transfer ideas to more efficient users. On the other hand, incumbents might acquire startups just to "kill" their ideas, and acquisitions...

We study the impact of FDI on the productivity of host-country firms. FDI has positive spillovers only when foreign and domestic firms use similar technologies. Channeling FDI to sectors where firms share similar technology would significantly increase productivity spillovers from FDI. We show...