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Retrospectives: Ceteris Paribus

By Joseph Persky

Journal of Economic Perspectives, Spring 1990

In Webster's Dictionary is an example of how to use "ceteris paribus": [S]taple-growing states are, ceteris paribus, more favorable to slave labor than manufacturing states." I suspect it would take a minor treatise to elucidate fully the ceteris paribus ...

Polarization and Ambiguity

By Sandeep Baliga, Eran Hanany, and Peter Klibanoff

American Economic Review, December 2013

We offer a theory of polarization as an optimal response to ambiguity. Suppose individual A's beliefs first-order stochastically dominate individual B's. They observe a common signal. They exhibit polarization if A's posterior dominates her prior and B'...

Freedom Fries

By Guy Michaels and Xiaojia Zhi

American Economic Journal: Applied Economics, July 2010

Do firms always choose the cheapest suitable inputs, or can group attitudes affect their choices? To investigate this question, we examine the deterioration of relations between the United States and France from 2002-2003, when France's favorability ratin...

Emerging Market Currency Excess Returns

By Stephen Gilmore and Fumio Hayashi

American Economic Journal: Macroeconomics, October 2011

We consider the excess return from 20 internationally tradable emerging market (EM) currencies against the US dollar. It has two contributions. First, we document stylized facts about EM currencies. EM currencies have provided significant equity-like exce...