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16 setembro 2020

Consequências da Precificação via Algoritimos

 Resumo:

Increasingly, pricing algorithms are supplanting human decision makers in on-line markets. To analyze the possible consequences, we study experimentally the behavior of algorithms powered by Artificial Intelligence (Q-learning) in a workhorse oligopoly model of repeated price competition. We find that the algorithms consistently learn to charge supra-competitive prices, without communicating with one another. The high prices are sustained by classical collusive strategies with a finite phase of punishment followed by a gradual return to cooperation. This finding is robust to asymmetries in cost or demand, changes in the number of players, and various forms of uncertainty.


Calvano, Emilio and Calzolari, Giacomo and Denicolo, Vincenzo and Pastorello, Sergio, Artificial Intelligence, Algorithmic Pricing and Collusion. American Economic Review.



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