Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/322199 
Year of Publication: 
2025
Series/Report no.: 
IFN Working Paper No. 1527
Publisher: 
Research Institute of Industrial Economics (IFN), Stockholm
Abstract: 
This paper develops a simple nonparametric test for perfect competition in markets for homogenous goods. The method only requires data on prices and some aggregate of output. We then generalize the method to account for variable capacity and intertemporal production decisions. We apply the method to a sample of Swedish data from the Nordic wholesale electricity market. Main results show that the data are approximately rationalizable by perfect competition in bidding zones with low ownership concentration of generation assets, but not in bidding zones characterized by high ownership concentration.
Subjects: 
Competition
nonparametric methods
Nord Pool power exchange
wholesale electricity markets
JEL: 
D22
D43
D44
Document Type: 
Working Paper

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