Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/324169 
Year of Publication: 
2025
Series/Report no.: 
I4R Discussion Paper Series No. 258
Publisher: 
Institute for Replication (I4R), s.l.
Abstract: 
Fabra and Imelda (2023) study how the method of payment for renewable energy can reduce the ability of energy producers to exert market power in electricity markets. Their theoretical model provides predictions for dominant and fringe firm behavior under incentives using fixed prices or market exposure. Across several reported specifications, they measure the price depressing effects under both economic instruments. The authors find that in the case of the Spanish electricity market, fixed prices for renewables mitigate market power more than exposure to market pricing. We successfully computationally reproduce 100% of the main claims of the paper. We then explore the robustness of these findings to a placebo event test and modeling choices concerning seasonality and sample selection. These robustness checks typically replicate the main findings of the original paper in sign, but consistently reduce the magnitude and statistical significance of measured results.
Subjects: 
market power
forward contracts
arbitrage
renewables
JEL: 
L13
L94
L98
Q42
Q48
Document Type: 
Working Paper

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