Selling Data to a Competitor

Selling Data to a Competitor (Extended Abstract)

“…The equilibrium with p A = max{P A } is strictly dominant for the firms. The proof of Proposition 1, and all other propositions, appear in the full version of this paper [19].…”

“…However, under this mechanism there are other equilibria, which involve lower uniform prices, and that yield lower firm profits. In Proposition 6 in the full version of this paper [19] we describe a different mechanism with r = 0 that, while not firm-optimal, yields both firms strictly higher profits than under no sharing in every equilibrium.…”