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Working Paper
A Theoretical Treatment of Foreign Fighters and Terrorism
The paper offers a game-theoretical model that includes three participants – the terrorist organization, its foreign fighters, and the adversarial host government. In stage 1, the terrorist group induces foreign fighters to emigrate through wage incentives, while the host government deters these fighters through proactive border security. Foreign fighters decide whether to emigrate from their source country (extensive margin) in stage 2, after which these fighters determine their level of attacks (intensive margin) in stage 3. Comparative statics to the Nash equilibrium are tied to changes ...
Working Paper
The Gravity of Experience
In this paper, we establish the importance of experience in international trade in reducing unmeasured trade costs and facilitating bilateral trade. We find a strong role for experience, measured in years of positive trade, for both aggregate and sectoral bilateral trade. In an augmented gravity framework, with a very comprehensive set of fixed-effects and trend variables, we find that a 1% increase in experience at the country-pair level increases bilateral exports by 0.417% and reduces trade costs by 0.105%. Non-parametric estimates imply that nine years of experience is equivalent to a ...
Working Paper
The Gravity of Experience
In this paper, we establish the importance of experience in international trade for reducing trade costs and facilitating bilateral trade. Within an augmented gravity framework, we find that an additional year of experience at the country-pair level reduces trade costs by 2.0% and increases bilateral exports by 8%. The effect of experience is stronger for country-pairs that are more distant, who do not share a common border, and who lack colonial and legal ties. Further, experience raises both the extensive and the intensive margins of trade. In a dynamic trade model with heterogeneous firms ...
Working Paper
Exporters of Services: A Look at U.S. Exporters Outside of the Manufacturing Sector
Using transaction data for the U.S., this paper presents a series of stylized facts on exporters in services industries. We find that most of the basic facts on manufacturing exporters extend to the services sectors with three important differences. First, the participation rate of services firms in foreign markets is much lower than that of manufacturing firms. Second, the size premia at services exporters are significantly higher than those among manufacturers. Third, the survival rates of services exporters tend to be lower than that of manufacturing exporters. All three facts are ...
Working Paper
The Gravity of Experience
In this paper, we establish the importance of experience in international trade in reducing unmeasured trade costs and facilitating bilateral trade. We find a strong role for experience, measured in years of positive trade, for both aggregate and sectoral bilateral trade. In an augmented gravity framework, with a very comprehensive set of fixed-effects and trend variables, we find that a 1% increase in experience at the country-pair level increases bilateral exports by 0.417% and reduces trade costs by 0.105%. Non-parametric estimates imply that nine years of experience is equivalent to a ...