welfare implications for consumers and firms alike. An exogenous increase in firms' ability to predict demand may make … collusion possible where it was previously unsustainable. However, it also may make collusion impracticable where it had … contribute to the emerging literature on how algorithms and other forms of artificial intelligence may affect competition …

offers especially when many consumers prefer comparable offers. This occurs after initial periods with strong competition and … leads to lower welfare for all consumers. In treatments where firms cannot monitor the competition, firms end up having to …. They are faced with artificial demand from consumers who make mistakes when assessing the net value of products on the …

This is a survey of the economic principles that underlie antitrust law and how those principles relate to competition … policy. We address four core subject areas: market power, collusion, mergers between competitors, and monopolization. In each …

Despite the mixed empirical evidence, many economists stillhold to the view that Internet will promote competition … view. We analyzethemarket for a homogeneous good where some consumers are fully informedwhile others are not. Depending on … these equilibria. For example, a reduction insearch cost may raise equilibrium prices when consumers' searchintensity is low …

algorithmic pricing agents on markets will increase occurrences of tacit collusion by orders of magnitude, and well beyond the … scale on markets can lead to tacit collusion. While we do not deny the fact that smart pricing agents can enter into tacit … collusion and that regulators may be right to be vigilant, we find that there are several technological challenges in the …

To increase competition in the retail market for gasoline, Germany's Federal Cartel Office established the so … margins of gas stations. We find that the MTU fostered a more intense competition, with a reduction in price margins of 1 …

prices on both sides of the market, most of the literature has avoided models with Bertrand competition on both sides or has … policy simulation in the context of competition policy, it is important that equilibria exist and are unique. Otherwise, one …

pricing algorithms that allow for high-frequency price changes. What are the implications for price competition? We develop a … model of price competition where firms can differ in pricing frequency and choose algorithms that autonomously react to …

The effects of (private, small-scale) piracy on the pricing behavior of producers of information goods are studied …-Nash equilibria in a duopoly. Comparing equilibrium prices to the prices set by a multiproduct monopolist, we show that competition … drives prices up and may lead to price dispersion. Competition reduces total surplus in the short run but provides higher …