Abstract

http://ssrn.com/abstract=2086604
 


 



Screening for Collusion: A Spatial Statistics Approach


Pim Heijnen


University of Groningen

Marco A. Haan


University of Groningen

Adriaan R. Soetevent


University of Groningen; Tinbergen Institute

June 15, 2012

Tinbergen Institute Discussion Paper No. 12-058/1

Abstract:     
We develop a method to screen for local cartels. We first test whether there is statistical evidence of clustering of outlets that score high on some characteristic that is consistent with collusive behavior. If so, we determine in a second step the most suspicious regions where further antitrust investigation would be warranted. We apply our method to build a variance screen for the Dutch gasoline market.

Number of Pages in PDF File: 36

Keywords: collusion, variance screen, spatial statistics, K-function

JEL Classification: C11, D40, L12, L41

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Date posted: June 19, 2012  

Suggested Citation

Heijnen, Pim and Haan, Marco A. and Soetevent, Adriaan R., Screening for Collusion: A Spatial Statistics Approach (June 15, 2012). Tinbergen Institute Discussion Paper No. 12-058/1. Available at SSRN: http://ssrn.com/abstract=2086604 or http://dx.doi.org/10.2139/ssrn.2086604

Contact Information

Pim Heijnen (Contact Author)
University of Groningen ( email )
P.O. Box 800
9700 AH Groningen
Netherlands
Marco A. Haan
University of Groningen ( email )
P.O. Box 800
9700 AV Groningen
Netherlands
+31 50 363 7327 (Phone)
+31 50 363 7227 (Fax)
Adriaan R. Soetevent
University of Groningen ( email )
P.O. Box 800
9700 AV Groningen
Netherlands
++ 31 50 363 7018 (Phone)
HOME PAGE: http://www.soetevent.com
Tinbergen Institute
Burg. Oudlaan 50
Rotterdam, 3062 PA
Netherlands
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