This research aims to develop some suitable metrics for the measurement of market power in the online retailing business. While it is obvious that market power exists in the online retailing business, especially among the market leaders, the factors that drive that market power have been considerably less analyzed. One of the main reasons why existing research in this area has concentrated on c...

We model an online consumer-to-consumer (C2C) market by employing the prisoner's dilemma. To discuss the characteristics of goods traded on a C2C market, we define temptation and contribution indexes based on the payoff matrix of the game. According to the results of the simulation with the model, we find that a positive reputation management system can promote cooperative behavior in online C2...

The recent events of the “Black Friday” – the biggest online poker networks in the USA were shut down – demonstrated the necessity to make decisions about the regulation of online poker. But although online poker is a gold mine of data, until now nobody knows where the players and their money come from. It seems that the knowledge about the online poker market has not been able to keep up with ...

SEMAMO (SEmantic MArket MOnitoring) is a research project seeking to make use of the increasingly growing information available at Web-based sales and marketing channels for continuous market research. Assuming that online channels indeed mirror salient market developments faithfully, SEMAMO implements a nearly fully automatic adaptive data capture and analysis process delivering customer-defin...

The rapid growth of the consumer-to-consumer online auction market demands research into its market structure and future trends. We propose that online reputation is becoming an important indicator of online traders' business capacity in the auction market. Based on the data sampled from eBay.com, we find that seller reputation, rather than buyer reputation, is lognormally distributed. Followin...

Consumers buying goods online often cannot physically inspect the products prior to purchase. Thus an online market may turn what is usually regarded as a search good into an experience good. We investigate how this feature, together with other features of the marketplace, a¤ects a …rm’s choice between online and physical markets. Using a simple yet ‡exible framework, we show that the choice of...

China’s fast-growing online consumer-to-consumer (C2C) market merits widespread research efforts. However, it has so far received little research attention. In this exploratory study, we chose Taobao – a leading online C2C auction company in China with more than 70% of market shares – as our research context. We focus on the general market structure of Taobao in terms of three factors: market d...