We show that competing firms relax overall competition by lowering future barriers to entry. We illustrate our findings …-period profits. This dampens competition for serving the first-period market. …

Envelopment is an effective form of market entry that facilitates competition among platforms. Nevertheless, many … commentators have focused on the anticompetitive potential of envelopment, and some have argued for regulation of platforms because … of that concern. These calls for regulation are not supported by robust formal analysis or comprehensive empirical …

We study the optimal entry fee in a symmetric private value first-price auction with signaling, in which the … auction has a unique fully separating equilibrium bidding function. When the bidders' sensibility for the signaling concern is …

We test for the distributional effects of regulation and entry in the mobile telecommunications sector in a highly … mobile termination rate regulation. We find that regulation benefits consumers significantly more than entry does, and that …

entry re-regulation context. In contrast to other entry deterrence models, we are able to investigate how product market …

This paper evaluates how different lengths of entry regulation impact market structure and market performance using a … evidence that the duration of entry regulation has a negative impact on consumer surplus. We also find that entry protection …

-dimensional spatial competition model. We develop a new methodology to analyze competition on a torus and show that there is a fundamental …, firms are likely to choose the minimal compatibility to maximize product differentiation and soften competition. This is in …

competition model with entry in which exchanges supply technological services, and have market power. We find that technological … services can be strategic substitutes or complements in platform competition. Free entry of platforms delivers a superior …

We study the dynamics of competition in a model with network effects, an incumbent and entry. We propose a new way of …