Marco Cozzi

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I investigate the effect of U.S. border enforcement on the net flow of Mexican undocumented migration, both of which have been considerably increasing in the last three decades. This effect is theoretically ambiguous, as increases in border controls deter prospective migrants from crossing the border illegally but lengthen the duration of current illegal(More)
This paper estimates a dynamic model of durable and non-durable consumption choice and default behavior in an economy where risky borrowing is allowed and bankruptcy protection is regulated by law. I exploit the substantial difference in the generosity of bankruptcy exemptions across the U.S. states to assess the role of durable goods as both informal(More)
I show that shares currently traded on U.S. stock markets can be used to hedge political uncertainty. Focusing on the 2000 U.S. presidential election, I construct two " presidential portfolios " composed of selected stocks anticipated to fare differently under a Bush versus a Gore presidency. To construct these portfolios I use data on campaign(More)
Proximity services are a particular class of location-based services (LBS) in which a subscriber is alerted when other participants (called buddies) are nearby. Existing works in the field of privacy preservation in LBS propose techniques specifically designed for this type of service. The objective of this demo is to present the Pcube system that makes it(More)
Starting in the 70's, wage inequality and the number of hours worked by employed US prime age male workers have both increased. We argue that these two facts are related. We use a labor market model with on the job search where by working longer hours individuals acquire greater skills. Since job candidates are ranked by productivity, greater skills not(More)
We show that existing stocks that are currently traded in the U.S. stock market can be used to hedge political uncertainty. Focusing on the 2000 U.S. Presidential election, we construct two " presidential portfolios " composed of selected stocks anticipated to fare differently under a Bush versus a Gore presidency. To construct these portfolios we use data(More)
In multiparty parliamentary democracies government coalitions frequently reshuffle the allocation of cabinet posts, and cabinets terminate before the end of the legislature. I interpret these events as equilibrium outcomes of a strategic interaction among political parties. Parties' incentives to terminate the government and seek early elections depend on(More)