This paper investigates the collusive and competitive effects of algorithmic price recommendations on market outcomes. These recommendations are often non-binding and common in many markets, especially on online platforms. We develop a theoretical framework and derive two algorithms that...

We provide a novel theory of harm for resale price maintenance (RPM). In a model with two manufacturers and two retailers, we show that RPM facilitates manufacturer collusion when retailers have alternatives to selling a manufacturer's product. Because of the alternatives, manufacturers can only...

We provide a theory of how RPM facilitate upstream cartels absent any information asymmetries using a model with manufacturer and retailer competition. Because retailers have an effective outside option to each manufacturer's contract, the manufacturers can only ensure contract acceptance by...