Product selection in online marketplaces

F Etro - Journal of Economics & Management Strategy, 2021 - Wiley Online Library
A marketplace such as Amazon hosts many products by third party sellers and acts as a first
party or private label retailer. Assuming an advantage of Amazon in logistics and of sellers in …

How do competitive pressures affect incentives to innovate when there is a market for inventions?

DF Spulber - Journal of Political Economy, 2013 - journals.uchicago.edu
Competition and intellectual property (IP) protections are complements in stimulating
innovation. When IP is appropriable, a market for inventions forms and competitive …

Aggregative games and oligopoly theory: short‐run and long‐run analysis

SP Anderson, N Erkal, D Piccinin - The RAND Journal of …, 2020 - Wiley Online Library
We compile an IO toolkit for aggregative games with positive and normative comparative
statics results for asymmetric oligopoly in the short and long run. We characterize the class …

The theory of endogenous market structures

F Etro - Journal of Economic Surveys, 2014 - Wiley Online Library
Most market structures are neither perfectly or monopolistically competitive: they are
characterized by a few large firms that are engaged in strategic interactions in their …

Social efficiency of entry in an open economy

TD Han, ME Haque, A Mukherjee - The BE Journal of Economic …, 2022 - degruyter.com
We show that cost asymmetry between the domestic and foreign firms is not necessary for
the occurrence of insufficient entry in the domestic country. This result provides a rationale …

Social efficiency of entry: Implications of network externalities

D Basak, E Petrakis - Journal of Economics & Management …, 2021 - Wiley Online Library
We examine the welfare effects of entry in the presence of network externalities. We show
that if network goods are fully incompatible, entry is socially insufficient as long as the entry …

Foreign competition and social efficiency of entry

S Marjit, A Mukherjee - Economic Modelling, 2013 - Elsevier
We consider social efficiency of firm-entry in the presence of foreign competition. If the
labour markets are competitive, entry is insufficient for the domestic country if the …

Partisan competition authorities, Cournot‐oligopoly, and endogenous market structure

L Goerke - Southern Economic Journal, 2022 - Wiley Online Library
The so‐called excess‐entry theorem establishes conditions guaranteeing that more firms
enter a homogeneous Cournot‐oligopoly in equilibrium than a benevolent government …

Foreign penetration and undesirable competition

LFS Wang, J Lee - Economic Modelling, 2013 - Elsevier
This paper examines how the order of the firms' moves affects the social efficiency with
foreign ownership and free entry in a mixed oligopoly market. We firstly show that when the …

Social efficiency of entry in a vertically related industry revisited

H Cao, LFS Wang - Economics Letters, 2020 - Elsevier
We revisit the social desirability of entry in a vertical structure by showing that, if the input
supplier has market power, social desirability of entry of downstream producers depends on …