The "trigger price" oligopoly model is used to develop a test for oligopolistic as well as oligopsonistic conduct by observing how an industry responds to unexpected declines in output demand. The hypothesis that U.S. beef packers maintain cooperative pricing strategies is rejected.Demand and Price Analysis,

Azzam, Azzeddine M.

Weliwita, Ananda

English

Research Papers in Economics

AzzamJournal of Agricultural and Resource Economics Purcell, W. &quot;Structural Change in the Livestock Sector: Causes, Implications, Continuing Issues.&quot;

Choice of Beef Prices and Price Spreads Series: Methodology and Revisions.&quot;

Department of Agriculture, Economic Research Service. Agricultural Outlook. Washington DC: Government Printing Office. Various issues,

Department of Commerce, Bureau of Labor Statistics. Survey of Current Business. Washington DC: Government Printing Office. Various issues,

Department of Energy, Energy Information Administration. Monthly Energy Review. Washinton DC: Government Printing Office. Various issues,

Effects of Changes in the Level of U.S. Beef Imports.&quot;

Estimating Intertemporal Supply Response in the Fed Beef Market.&quot;

Estimating the Degree of Market Power in the Beef Packing Industry.&quot;

Identifying Cartel Policing under Uncertainty: The U.S.

Identifying Implicit Collusion under Declining Output Demand: The Case of Beef Packing.&quot;

Input Substitution and the Distribution of Surplus Gains from Lower U.S. Beef-Processing Costs.&quot;

Livestock and Poultry Situation and Outlook Report. Washington DC: Government Printing Office. Various issues,

Markdown Pricing and Cattle Supply in the Beef Packing Industry.&quot;

Measuring Market Power in Multiproduct Oligopolies:

Meatpacker Conduct in Fed Cattle Price Pricing: An Investigation of Oligopsony Power.&quot;

Non-Cooperative Collusion under Imperfect Price Information.&quot;

On Identifying the Degree of Competitiveness from Industry Price and Output Data.&quot;

On the Incidence and Duration of Price Wars.&quot;

Testing the Competitiveness of Food Price Spreads.&quot;

The Lagrange Multiplier Test and Its Applications to Model Specification in Econometrics.&quot;

The Oligopoly Solution Concept Is Identified.&quot;

USDA/Economic Research,

IDENTIFYING IMPLICIT COLLUSION UNDER DECLINING OUTPUT DEMAND

IDENTIFYING IMPLICIT COLLUSION UNDER DECLINING OUTPUT DEMAND

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Research Papers in Economics