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Debt Financing in Asset Markets

By Zhiguo He and Wei Xiong

American Economic Review, May 2012

We study rollover risk and collateral value in a dynamic asset pricing model with endogenous debt financing by extending the framework of Geanakoplos (2009) with a generic binomial tree and time-varying heterogeneous beliefs. Optimistic borrowers face rol...

Imported Inputs and Productivity

By László Halpern, Miklós Koren, and Adam Szeidl

American Economic Review, December 2015

We estimate a model of importers in Hungarian microdata and conduct counterfactual analysis to investigate the effect of imported inputs on productivity. We find that importing all input varieties would increase a firm's revenue productivity by 22 percent...

Redistribution and Social Insurance

By Mikhail Golosov, Maxim Troshkin, and Aleh Tsyvinski

American Economic Review, February 2016

We study optimal redistribution and insurance in a life-cycle economy with private idiosyncratic shocks. We characterize Pareto optima, show the forces determining optimal labor distortions, and derive closed form expressions for their limiting behavior. ...

The Effects of State Medicaid Expansions for Working-Age Adults on Senior Medicare Beneficiaries

By Melissa McInerney, Jennifer M. Mellor, and Lindsay M. Sabik

American Economic Journal: Economic Policy, August 2017

Do Medicaid expansions to working-age adults affect healthcare spending and utilization among older Medicare beneficiaries? Although economic theory provides conflicting predictions about the presence and direction of such spillover effects, it does ident...

Are Cities Dying?

[Symposium: Urban Agglomeration]

By Edward L. Glaeser

Journal of Economic Perspectives, Spring 1998

This paper organizes a discussion of the costs and benefits of cities around the question: Are cities becoming obsolete? While minimizing transport costs for manufactured goods no longer justifies the existence of cities, they still facilitate the divisio...

Forty Years of Oil Price Fluctuations: Why the Price of Oil May Still Surprise Us

[Symposium: Oil and Gas Markets]

By Christiane Baumeister and Lutz Kilian

Journal of Economic Perspectives, Winter 2016

It has been 40 years since the oil crisis of 1973/74. This crisis has been one of the defining economic events of the 1970s and has shaped how many economists think about oil price shocks. In recent years, a large literature on the economic determinants o...