Christian Zimmermann

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e-V ctor R os-Rull and seminar participants at the Universit e d u Q u ebec a Montr eal have provided insightful comments, but are not responsible for any errors. Abstract Using quarterly national accounts for 19 industrialized economies, the business cycle behavior of trade related aggregates and prices is assessed. Emphasis is put on the distinction(More)
I study the implications of various bankruptcy regimes for student loans on college investment, human capital accumulation, and earnings in a heterogeneous life-cycle economy with risky human capital investment. The option to discharge one's debt under a liquidation regime helps alleviate some of the risk of investing in human capital. However,(More)
This is a revised version of the second chapter of my dissertation at Carnegie Mellon University. I w ould like to thank Finn Kydland and Jos e-V ctor R os-Rull for guidance, and David Backus for a large part of the data used in this paper, as well as two anonymous referees. This paper has also beneted from comments of seminar participants at Carnegie(More)
The private market of student loans has become an important source of college financing in the U.S. Unlike government student loans, the terms on private student loans (i.e., credit limits and interest rates) are based on credit scores We quantify the effects of credit scores on college investment in a heterogeneous life-cycle economy that exhibits a(More)
We study the impact of global climate change on the prevalence of tropical diseases using a heterogeneous agent dynamic general equilibrium model. In our framework, households can take actions (e.g., purchasing bednets or other goods) that provide partial protection from disease. However, these actions are costly and households face borrowing constraints.(More)
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BACKGROUND/AIMS The expression of transporters involved in bile acid homeostasis is differentially regulated during obstructive cholestasis. Since the drug efflux transporter breast cancer resistance protein (BCRP) is known to transport bile acids, we investigated whether duodenal BCRP expression could be altered during cholestasis. METHODS Using(More)