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Full-Text Articles in Other Economics

Winning Isn’T Everything: Corruption In Sumo Wrestling, Mark Duggan, Steven D. Levitt Dec 2002

Winning Isn’T Everything: Corruption In Sumo Wrestling, Mark Duggan, Steven D. Levitt

Health Care Management Papers

Although theory on corruption is well developed, it has proven difficult to isolate corrupt behavior empirically. In this paper, we provide overwhelming statistical evidence documenting match rigging in Japanese sumo wrestling. A non-linearity in the incentive structure of promotion leads to gains from trade between wrestlers on the margin for achieving a winning record and their opponents. We show that wrestlers win a disproportionate share of the matches when they are on the margin. Collusion, rather than increased effort, appears to explain the results. Wrestlers who are victorious when needing a victory lose more often than would be expected the ...


The Recovery Of The Aviation Industry: The Aviation Security Challenge, Editor Nov 2002

The Recovery Of The Aviation Industry: The Aviation Security Challenge, Editor

International Bulletin of Political Psychology

This article is based on a presentation made to the SAE 2002 World Aviation Congress on November 6, 2002 by the IBPP Editor. The article’s focus is on how representatives of the aviation industry need to think about aviation security to facilitate the industry’s economic recovery.


Competition And Outsourcing With Scale Economies, Gerard. P. Cachon, Patrick T. Harker Oct 2002

Competition And Outsourcing With Scale Economies, Gerard. P. Cachon, Patrick T. Harker

Operations, Information and Decisions Papers

Scale economies are commonplace in operations, yet because of analytical challenges, relatively little is known about how firms should compete in their presence. This paper presents a model of competition between two firms that face scale economies; (i.e., each firm's cost per unit of demand is decreasing in demand). A general framework is used, which incorporates competition between two service providers with price- and time-sensitive demand (a queuing game), and competition between two retailers with fixed-ordering costs and pricesensitive consumers (an Economic Order Quantity game). Reasonably general conditions are provided under which there exists at most one equilibrium ...


Price Dispersion And Differentiation In Online Travel: An Empirical Investigation, Eric. K. Clemons, Ll-Horn Hann, Lorin. M. Hitt Apr 2002

Price Dispersion And Differentiation In Online Travel: An Empirical Investigation, Eric. K. Clemons, Ll-Horn Hann, Lorin. M. Hitt

Operations, Information and Decisions Papers

Previous research has examined whether price dispersion exists in theoretically highly efficient Internet markets. However, much of the previous work has been focused on industries with low cost and undifferentiated products. In this paper, we examine the presence of price dispersion and product differentiation using data on the airline ticket offerings of online travel agents (OTAs). We find that different OTAs offer tickets with substantially different prices and characteristics when given the same customer request. Some of this variation appears to be due to product differentiation—different OTAs specialize by systematically offering different trade-offs between ticket price and ticket quality ...


Flexible Service Capacity: Optimal Investment And The Impact Of Demand Correlation, Serguei Netessine, Gregory Dobson, Robert A. Shumsky Mar 2002

Flexible Service Capacity: Optimal Investment And The Impact Of Demand Correlation, Serguei Netessine, Gregory Dobson, Robert A. Shumsky

Operations, Information and Decisions Papers

We consider a firm that provides multiple services using both specialized and flexible capacity. The problem is formulated as a two-stage, single-period stochastic program. The firm invests in capacity before the actual demand is known and optimally assigns capacity to customers when demand is realized. Sample applications include a car rental company's use of mid-sized cars to satisfy unexpectedly high demand for compact cars and an airline's use of business-class seats to satisfy economy-class demand. We obtain an analytical solution for a particular case, when services may be upgraded by one class. The simple form of the solution ...


Self Reliant Agriculture For Arid Lands, David A. Bainbridge Jan 2002

Self Reliant Agriculture For Arid Lands, David A. Bainbridge

David A Bainbridge

More than a billion people face the challenge of supporting themselves in the world's arid lands. Much can be improved by refining and adopting the best traditional practices and crops from around the world. The lessons learned can also help develop new and improved agronomic practices and crops.


The New Basel Capital Accord: Making It Effective With Stronger Market Discipline, Harald Benink, Clas Wihlborg Jan 2002

The New Basel Capital Accord: Making It Effective With Stronger Market Discipline, Harald Benink, Clas Wihlborg

Business Faculty Articles and Research

In January 2001 the Basel Committee on Banking Supervision proposed a new capital adequacy framework to respond to deficiencies in the 1988 Capital Accord on credit risk. The main elements or ‘pillars’ of the proposal are capital requirements based on the internal risk-ratings of individual banks, expanded and active supervision, and information disclosure requirements to enhance market discipline. We discuss the incentive effects of the proposed regulation. In particular, we argue that it provides incentives for banks to develop new ways to evade the intended consequences of the proposed regulation. Supervision alone cannot prevent banks from ‘gaming and manipulation’ of ...


Reconsidering Estoppel: Patent Administration And The Failure Of Festo, R. Polk Wagner Jan 2002

Reconsidering Estoppel: Patent Administration And The Failure Of Festo, R. Polk Wagner

Faculty Scholarship at Penn Law

No abstract provided.