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Horizontal merger analysis with endogenous product range choice

Erkal, Nisvan; Pan, Lijun - 2022

-product firms. Aggregate product variety is determined by product variety choices of multi-product firms and entry/exit decisions of …

Persistent link: https://www.econbiz.de/10012880207

A maximal domain for strategy-proof and no-vetoer rules in the multi-object choice model

Hatsumi, Kantaro; Berga Colom, Dolors; Serizawa, Shigehiro - 2011 - This version: March 23, 2011

Following Barberà, Sonnenschein, and Zhou (1991, Econometrica 59, 595-609), we study rules (or social choice functions) through which agents select a subset from a set of objects. We investigate domains on which there exist nontrivial strategy-proof rules. We establish that the set of separable...

Persistent link: https://www.econbiz.de/10008988868

Private provision of public goods that are complements for private goods : application to open source software developments

Matsushima, Noriaki; Shinohara, Ryusuke - 2012

This paper examines the questions of who participates in the provision of a public good through the voluntary participation of agents in the presence of strong complementarity between a public good and a private good. We show that the greater the initial endowment of the private good that agents...

Persistent link: https://www.econbiz.de/10009427088

The effects of non-assertion of patents provisions : R&D incentives in vertical relationships

Matsushima, Noriaki; Arai, Koki; Ishibashi, Ikuo; … - 2011

Using a simple downstream duopoly model with vertical relations and downstream R&D, we investigate the effect of non-assertion of patents (NAP) provisions. A monopoly upstream firm decides whether to employ NAP provisions. If it does so, it freely incorporates the R&D outcomes into its inputs....

Persistent link: https://www.econbiz.de/10008988881

Welfare analysis and policy implications in Melitz-type model where markup differs across industries

Ohki, Kazuyoshi - 2016

-level heterogeneity of productivity. An excess entry occurs in low-markup (competitive) industry, and vice versa in high-markup (non …

Persistent link: https://www.econbiz.de/10011550499

Market power in the portfolio : product market competition and mutual fund performance

Jaspersen, Stefan - 2016 - This draft: September 2016

I provide evidence that fund managers who overweight firms with the most differentiated products ('monopolies') exhibit a superior risk-adjusted performance. This is consistent with information advantages due to a better understanding of qualitative information on a firm's competitive...

Persistent link: https://www.econbiz.de/10011539240

Multi-market competition, R&D, and welfare in oligopoly

Kawasaki, Akio; Lin, Ming Hsin; Matsushima, Noriaki - 2010

meets entrants that enter one of the markets. We find that entry can enhance the total R&D expenditure of the incumbent firm …. That is, entry can stimulate R&D effort. Moreover, the incumbent's profit nonmonotonically changes as the number of … entrants increases. Depending on the fixed entry costs and R&D technologies, both insufficient and excess entry can appear …

Persistent link: https://www.econbiz.de/10008748288

The welfare effects of third-degree price discrimination in a differentiated oligopoly

Adachi, Takanori; Matsushima, Noriaki - 2011

This paper studies the relationship between horizontal product differentiation and the welfare effects of third-degree price discrimination in oligopoly. By deriving linear demand from a representative consumer´s utility and focusing on the symmetric equilibrium of a pricing game, we...

Persistent link: https://www.econbiz.de/10008932976

Mutual fund bets on market power

Jaspersen, Stefan - 2020 - [Vers. 12/2020]

Taking a firm's competitive position into account benefits investors who are better at evaluating this qualitative information. I find that fund managers who overweight companies with market power outperform their peers. Placebo exercises and an exogenous shock to product market competition...

Persistent link: https://www.econbiz.de/10012414777

Product differentiation and entry timing in a continuous-time spatial competition model with vertical relations

Ebina, Takeshi; Matsushima, Noriaki - 2017

We study the entry timing and location decisions of two exclusive buyer-supplier relationships in a continuous …-time spatial competition model. In each relationship, the firms determine their entry timing and location, and negotiate a … equilibrium location of the leader will be closer to the center, inducing a delay in entry by the second entrant (called the …

Persistent link: https://www.econbiz.de/10011723843