We model a homogeneous product environment where identical e-retailers endogenously engage in both brand advertising (to create loyal customers)and price advertising (to attract shoppers). Our analysis allows for cross-channel effects; indeed, we show that price advertising is a substitute for...

The object of this paper is to discuss on-line intermediation from the perspective of two-sided markets. It builds a simple model of the intermediation activity when trading partners are involved in a commercial relationship and uses it to illustrate some of the results that emerge in the...

E-commerce has become more prevalent throughout Europe in the last decade. The coronavirus (COVID-19) pandemic accelerated this trend, particularly in the retail sector. This paper focuses on the implications of increasing business-to-consumer ecommerce for prices and inflation in the euro area....

This paper (Chapter 3 of a dissertation on online shopping behavior) evaluates the role of reference price on consumer behavior at the online channel, focusing on whether it plays a relevant role, how it is formed, the importance of two broad types of reference prices, internal reference price...

By reviewing the current Xetra auction price mechanism and analyzing its economic properties, we discover that Xetra auction price is generically non market-clearing and that only limit prices are considered as Xetra auction price, which prevents a market-clearing price but not a limit price...

There can be no doubt that the FANG companies – Facebook, Amazon, Netflix and Google, as well as Twitter – have transformed society since their emergence. Like all social transformations, the changes wrought by their services have had ripple effects that are both positive and negative. On...

E-commerce has become more prevalent throughout Europe in the last decade. The coronavirus (COVID-19) pandemic accelerated this trend, particularly in the retail sector. This paper focuses on the implications of increasing business-to-consumer e-commerce for prices and inflation in the euro...

In a typical sale model, retailers compete for informed consumers by changing prices in every period. Thus, if menu costs resist price adjustments, they prevent not only prices from equilibrating demands and supplies, but also retailers' competition. I investigate the effects of menu costs on...

We investigate the relation between Net Neutrality regulation and Internet fragmentation. We model a two-sided market, where Content Providers (CPs) and consumers interact through Internet Service Providers (ISPs), and CPs sell consumers' attention to advertisers. Under Net Neutrality, a...