We study how consumer search affects pricing in markets with incumbents and entrants using panel data on German electricity retail markets. Consumers observe the baseline price of the incumbent and decide whether or not to search. Incumbent providers can price discriminate between searching and...

We quantify externalities on profitability and market shares of competing firms in oligopolistic markets through the transition from an n to an n-1 player oligopoly after a merger. Competitors are identified via the European Commission's market investigations and our methodology allows us to...

A broad-scale rollout and adoption of new high-speed broadband networks and services, respectively, is expected to generate innovative services for consumers and create a high potential for productivity increases and economic growth. However, there is no evidence available on the causal impact...