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Competition and antitrust in internet markets

Haucap, Justus; Stühmeier, Torben - 2015

This paper summarizes the peculiarities of online markets and discusses recent antitrust cases related to online markets. Following a brief description of the online markets' characteristics and potential tendencies for concentration the paper first discusses the antitrust allegations and...

Persistent link: https://www.econbiz.de/10011373093

Location still matters : evidence from an online shopping field experiment

Morgan, John; Ong, David; Zhong, Zemin - In: Journal of economic behavior & organization : JEBO 146 (2018), pp. 43-54

Persistent link: https://www.econbiz.de/10011985673

Google, Facebook, Amazon, eBay : is the Internet driving competition or market monopolization?

Haucap, Justus; Heimeshoff, Ulrich - In: International economics and economic policy : IEEP 11 (2014) 1/2, pp. 49-61

Persistent link: https://www.econbiz.de/10010338118

Google, Facebook, Amazon, eBay : is the internet driving competition or market monopolization?

Haucap, Justus; Heimeshoff, Ulrich - 2013

implications for competition policy. Three important Internet markets are analyzed in more detail: search engines, online auction … use our theoretical insights to examine whether leading Internet platforms have non-temporary market power. Based on this …

Persistent link: https://www.econbiz.de/10009684662

Indirect network effects with two salop circles: the example of the music industry

Dewenter, Ralf; Haucap, Justus; Wenzel, Tobias - 2009

This paper analyses the interdependency between the market for music recordings and concert tickets, assuming that there are positive indirect network effects both from the record market to ticket sales for live performances and vice versa. Using a model with two interrelated Salop circles we...

Persistent link: https://www.econbiz.de/10010299756

Estimating Firm-Level Demand at a Price Comparison Site: Accounting for Shoppers and the Number of Competitors

Baye, Michael; GATTI, RUPERT J; Kattuman, Paul; Morgan, John - Institute of Business and Economic Research (IBER), … - 2004

Clearinghouse models of online pricing---such as Varian (1980), Rosenthal (1980), Narasimhan (1988), and Baye-Morgan (2001)---view a price comparison site as an "information clearinghouse" where shoppers and loyals obtain price and product information to make online purchases. These models...

Persistent link: https://www.econbiz.de/10010538405

On file sharing with indirect Network effects between concert ticket sales and music recordings

Dewenter, Ralf; Haucap, Justus; Wenzel, Tobias - 2011

This paper analyses the interdependency between the market for music recordings and concert tickets, assuming that there are positive indirect network effects both from the record market to ticket sales for live performances and vice versa. In a model with two interrelated Hotelling lines prices...

Persistent link: https://www.econbiz.de/10010305864

Wettbewerb im Internet: Was ist online anders als offline?

Haucap, Justus; Wenzel, Tobias - 2011

Das Internet ist stark durch Wettbewerb zwischen Plattformen geprägt, welche potenzielle Tauschpartner zusammenbringen … Konzentrationstendenzen und Markteintrittsbarrieren. Pauschal lässt sich zwar nicht feststellen, dass im Internet besonders viele dauerhaft …The Internet is characterized by competition between platforms which bring together potential partners of exchange. The …

Persistent link: https://www.econbiz.de/10010305869

Red Queen Pricing Effects in E-Retail Markets

Baye, Michael R.; Morgan, John - Department of Business Economics and Public Policy, … - 2005

A standard “solution” offered to the deleterious effects of all-out price competition is for firms to engage in differentiation strategies. This solution, however, depends critically on the inability of rivals to imitate a successful differentiation strategy. With imitation, we show how...

Persistent link: https://www.econbiz.de/10005795885

Estimating Firm-Level Demand at a Price Comparison Site: Accounting for Shoppers and the Number of Competitors

Baye, Michael R.; Gatti, J. Rupert J.; Kattuman, Paul; … - EconWPA - 2005

Clearinghouse models of online pricing---such as Varian (1980), Rosenthal (1980), Narasimhan (1988), and Baye-Morgan (2001)---view a price comparison site as an 'information clearinghouse' where shoppers and loyals obtain price and product information to make online purchases. These models...

Persistent link: https://www.econbiz.de/10005561794