In markets where duopolists supply differentiated products with certain degree of complementarity, not only can each consumer choose to buy one unit from a particular seller (single-purchase), the consumer may also choose to buy from different sellers simultaneously (multi-purchase) for brand...

The event study is an important methodology in management research that enables the assessment of value attributable to firm initiatives based on the responses of capital markets to news about firm actions. While capital markets are efficient in processing information about firms, their ability...

This report provides an overview of the relevant economic research literature on platforms or multi-sided online markets. It discusses platforms from a regulatory policy angle, including potential market failures in platforms, the extent of self-regulation and possible regulatory responses...

The use of smartphone apps has numerous advantages for app providers and users. However, the users of many smartphone apps are confronted with a trade-off between usage benefits and preferences for personal data protection. We investigate the acceptability of data sharing in different...

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...

The development of new technologies in the last few years turned internet into a commercial medium that has transformed businesses all over the world. Indeed, we can be connected to internet from anywhere and anytime we want, with just one click. This evolution made the world interconnected and...