In 2018, the European Council and the UK and Spanish governments each proposed to introduce a Digital Services Tax (DST), to be levied on the revenue of large digital platform companies earned from advertising, online intermediation, and/or the transmission of data. We offer a rationalization of...

We study competition among a score of firms participating in an online market for a commodity computer component. Firms were able to adjust prices continuously; prices determined how the firms were ranked and listed (lowest price listed first), with better ranks contributing to firms' sales....

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...

Many Internet markets rely on quot;feedback systemsquot;, essentially social networks of reputation, to facilitate trust and trustworthiness in anonymous transactions. Market competition creates incentives that arguably may enhance or curb the effectiveness of these systems. We investigate how...

The agency model used by Apple and other platform providers such as Google allows upstream firms (content providers like book publishers and developers of apps) to choose the retail prices of their products (RPM) subject to a fixed revenue-sharing rule. We show that (i) this leads to higher...

As the Internet economy has grown, so too has the need for trust. A degree of trust is a critical ingredient in virtually all economic relationships, Internet or otherwise. Every day we choose to trust plumbers, doctors, employers, employees, teachers, airlines, and others. The need for trust...

This paper investigates the strategies of a data broker in selling information to one or to two competing firms that can price-discriminate consumers. The data broker can strategically choose any segment of the consumer demand (information structure) to sell to firms that implement third-degree...

Rapid growth in e-commerce has altered the ability of jurisdictions to enforce commodity taxes on a destination basis. This results in different effective tax rates depending on the way in which goods and services are purchased and the characteristics of both the products and the sellers. We...

Convex vacancy creation costs shape firms' responses to trade liberalization. They induce capacity constraints by increasing firms' cost of production, leading a profit maximizing firm not to fully meet the increased foreign demand. Hence, firms will only serve a few export markets. More...