Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/230591 
Year of Publication: 
2020
Series/Report no.: 
Queen’s Economics Department Working Paper No. 1438
Publisher: 
Queen's University, Department of Economics, Kingston (Ontario)
Abstract: 
Economic theory provides ambiguous and conflicting predictions about the association between algorithmic pricing and competition. In this paper we provide the first empirical analysis of this relationship. We study Germany's retail gasoline market where algorithmic-pricing software became widely available by mid-2017, and for which we have access to comprehensive, high-frequency price data. Because adoption dates are unknown, we identify gas stations that adopt algorithmic-pricing software by testing for structural breaks in markers associated with algorithmic pricing. We nd a large number of station-level structural breaks around the suspected time of large-scale adoption. Using this information we investigate the impact of adoption on outcomes linked to competition. Because station-level adoption is endogenous, we use brand headquarter-level adoption decisions as instruments. Our IV results show that adoption increases margins by 9%, but only in non-monopoly markets. Restricting attention to duopoly markets, we find that market-level margins do not change when only one of the two stations adopts, but increase by 28% in markets where both do. These results suggest that AI adoption has a significant effect on competition.
Subjects: 
Artificial Intelligence
Pricing-Algorithms
Collusion
Retail Gasoline
JEL: 
L41
L13
D43
D83
L71
Document Type: 
Working Paper

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