The paper aims at exploring the antecedents of customers' online purchase intention and behaviour, and at uncovering sources of heterogeneity. A sample of customers was surveyed to measure perceived risk and benefits, trust, online purchase intention and behaviour. The study confirmed the causal...

The phenomenon of sponsored search advertising – where advertisers pay a fee to Internet search engines to be displayed alongside organic (non-sponsored) web search results – is gaining ground as the largest source of revenues for search engines. Using a unique 6 month panel dataset of...

We develop a model of strategic geoblocking, where two competing multi-channel retailers, located in different countries, can decide to block access to their online store from foreign consumers. We characterize the equilibrium when firms decide unilaterally whether to introduce geoblocking...

Extent of online purchases of goods and services is nowadays rapidly growing part of the modern economy. It is connected to rapid changes in the commerce as well as in the way of life of entire population. In this paper the influence of important factors on online purchases in South East...

We present an empirical investigation of the role of marketing agencies in Google's online ad auctions. By combining data on advertisers' affiliation to marketing agencies with data on bidding in ad auctions, we analyze how changes in the concentration of clients in the same industry under the...

The rise of e-commerce has been on the agenda of competition authorities ever since it started blending online and offline marketplaces and puzzling enforcers in terms of assessing the competitive interaction between online and offline sales. Indeed, technological developments have led firms to...

Online marketplaces are increasingly adopting innovative business models such as using paid advertising as a major revenue source. We explore the two popular advertising tools, sponsored search and social media endorsement, in attracting web traffic from online sellers' perspective. We estimate...

Online ratings play an important role in many markets. We study the often disputed information content of these ratings, by proposing a reduced-form Bayesian model of the typical buyer's rating decision. Our empirical evidence based on eBay raw data is in line with even intricate predictions...

The Internet has evolved from Web 1.0, with static web pages and limited interactivity, to Web 2.0, with dynamic content that relies on user engagement. This change increased production costs significantly, but the price charged for Internet content has generally remained the same: zero. Because...

The recent stagnation of electronic commerce highlights the need to understand contemporary online consumer behavior. This study incorporates current user demographics and emerging Internet activities to dynamically model the determinants of two key measurements of recent online shopping, a...