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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 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

Size-dependent policies and efficient firm creation

Ando, Sakai - 2018

I study the welfare implications of size-dependent firm regulation policies (SDPs) in the presence of entrepreneurial risks. Although SDP has been considered a source of misallocation, I show that, once entrepreneurial risks are taken into account, SDP can improve efficiency. Quantitatively, I...

Persistent link: https://www.econbiz.de/10011867553

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

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

Social learning and strategic pricing with rating systems

Chen, Chia-hui; Chen, Kong-pin; Ishida, Junichiro - 2023

Despite widespread use in online transactions, rating systems only provide summary statistics of buyers' diverse opinions at best. To investigate the consequences of this coarse form of information aggregation, we consider a dynamic lemons market in which buyers share their evaluations...

Persistent link: https://www.econbiz.de/10014233329

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

Demand uncertainty, product differentiation, and entry timing under spatial competition

Ebina, Takeshi; Matsushima, Noriaki; Nishide, Katsumasa - 2017

We investigate the entry timing and location decisions under market-size uncertainty with Brownian motions in a … options literature. Also, although the follower's entry timing tends to be late as the volatility becomes amplified, the … the equilibrium entry decisions with the second-best ones. …

Persistent link: https://www.econbiz.de/10011671810