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Does Antitrust Policy Improve Consumer Welfare? Assessing the Evidence

[Symposium: Activist Antitrust?]

By Robert W. Crandall and Clifford Winston

Journal of Economic Perspectives, Fall 2003

This paper reviews the literature and assesses the effects of antitrust policy and enforcement on consumer welfare. We find no evidence that antitrust policy in the areas of monopolization, collusion, and mergers has provided much benefit to consumers and...

Discounts and Deadlines in Consumer Search

By Dominic Coey, Bradley J. Larsen, and Brennan C. Platt

American Economic Review, December 2020

We present a new equilibrium search model where consumers initially search among discount opportunities, but are willing to pay more as a deadline approaches, eventually turning to full-price sellers. The model predicts equilibrium price dispersion and ra...

The Case for Antitrust Enforcement

[Symposium: Activist Antitrust?]

By Jonathan B. Baker

Journal of Economic Perspectives, Fall 2003

This paper provides evidence of the necessity and success of antitrust enforcement. It begins with examples of socially beneficial antitrust challenges by the federal antitrust agencies to price-fixing and other forms of collusion; to mergers that appear ...

A Model of Competing Narratives

By Kfir Eliaz and Ran Spiegler

American Economic Review, December 2020

We formalize the argument that political disagreements can be traced to a "clash of narratives." Drawing on the "Bayesian Networks" literature, we represent a narrative by a causal model that maps actions into consequences, weaving a selection of other ra...

Screening and Selection: The Case of Mammograms

By Liran Einav, Amy Finkelstein, Tamar Oostrom, Abigail Ostriker, and Heidi Williams

American Economic Review, December 2020

We analyze selection into screening in the context of recommendations that breast cancer screening start at age 40. Combining medical claims with a clinical oncology model, we document that compliers with the recommendation are less likely to have cancer ...

Missing Events in Event Studies: Identifying the Effects of Partially Measured News Surprises

By Refet S. Gürkaynak, Burçin Kisacikoğlu, and Jonathan H. Wright

American Economic Review, December 2020

Macroeconomic news announcements are elaborate and multi-dimensional. We consider a framework in which jumps in asset prices around announcements reflect both the response to observed surprises in headline numbers and to latent factors, reflecting other n...

What Makes a Rule Complex?

By Ryan Oprea

American Economic Review, December 2020

We study the complexity of rules by paying experimental subjects to implement a series of algorithms and then eliciting their willingness-to-pay to avoid implementing them again in the future. The design allows us to examine hypotheses from the theoretica...

The Unholy Trinity of Financial Contagion

[Symposium: International Financial Architecture]

By Graciela L. Kaminsky, Carmen M. Reinhart, and Carlos A. Végh

Journal of Economic Perspectives, Fall 2003

Over the last 20 years, some financial events, such as devaluations or defaults, have triggered an immediate adverse chain reaction in other countries--which we call fast and furious contagion. Yet, on other occasions, similar events have failed to trigge...