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How Strong Are Weak Patents?

By Joseph Farrell and Carl Shapiro

American Economic Review, September 2008

We study the welfare economics of probabilistic patents that are licensed without a full determination of validity. We examine the social value of instead determining patent validity before licensing to downstream technology users, in terms of deadweig...

Detecting Illegal Arms Trade

By Stefano DellaVigna and Eliana La Ferrara

American Economic Journal: Economic Policy, November 2010

We propose a method to detect illegal arms trade based on investor knowledge. We focus on countries under arms embargo and identify events that suddenly increase or decrease conflict intensity. If a weapon-making company is trading illegally, an event tha...

Ideologues Beat Idealists

By Sambuddha Ghosh and Vinayak Tripathi

American Economic Journal: Microeconomics, May 2012

Our model considers a majority election between two candidates—an ideologue committed to a fixed policy and an idealist who implements the ex post choice of the majority. Voters are aware that their individual rankings of policies may change after t...

Working to Improve the Consumer Price Index

[Symposium: Measuring the CPI]

By Katharine G. Abraham, John S. Greenlees, and Brent R. Moulton

Journal of Economic Perspectives, Winter 1998

In this paper, we first comment on the recent (1996) report of the Advisory Commission to Study the Consumer Price Index, appointed by the U.S. Senate Finance Committee, and the recommendations it contains. We then describe some of the initiatives current...

The WTO as a Mechanism for Securing Market Access Property Rights: Implications for Global Labor and Environmental Issues

[Symposium: Trade, Labor and the Environment]

By Kyle Bagwell and Robert W. Staiger

Journal of Economic Perspectives, Summer 2001

Can the World Trade Organization (WTO) contribute to the attainment of sound labor and environmental policies? An answer requires an understanding of WTO rules. We argue that the purpose of WTO rules is to create a negotiating forum where governments can ...

Sequential Kidney Exchange

By Lawrence M. Ausubel and Thayer Morrill

American Economic Journal: Microeconomics, August 2014

The traditional literature on kidney exchange assumes that all components of the exchange must occur simultaneously. Unfortunately, the number of operating rooms required for concurrent surgeries poses a significant constraint on the beneficial exchanges ...

A Welfare Analysis of Arbitration

By Wojciech Olszewski

American Economic Journal: Microeconomics, February 2011

The paper compares conventional and final-offer arbitration. One party is supposed to make a payment to another party, whose amount depends on a state. Under one scenario, parties obtain signals about the state, which cannot be recognized by the opponents...