; diversity ; market structure ; welfare ; monopolistic competition …

We analyze competition between data intermediaries collecting information on consumers, which they sell to firms for … price discrimination purposes. We show that competition between data intermediaries benefits consumers by increasing … competition between firms, and by reducing the amount of consumer data collected. We argue that merger policy guidelines should …

We construct a model of trade with heterogeneous retailers to examine the effects of trade liberalization on retail …

This paper investigates competition between health insurance companies under different financing regulations. We … consider two alternatives advanced in recent German health care reform discussions: competition by contribution rates (health … contributions) and by fees (health premia). We find that contribution rate competition yields lower company profits and higher …

increases competition between the contestants, leading to higher total contest effort, unless the ex-post bargaining strength of … stronger competition. …

that funding competition does not rectify the investment inefficiency nor will it improve pooling of individual income … competition and restricted participation yields the highest level of social welfare. -- higher education ; funding competition …

In the context of supply function competition with private information, we test in the laboratory whether - as …

We consider dynamic competition among platforms in a market with network externalities. A platform that dominated the … the focal platform whenever such equilibrium exists. Yet when faced with higher-quality competition, can a low …