Globalization has been identified by many experts as a new way firms organize their activities and as the emergence of human capital as the new stakeholder of the firm. This paper surveys recent work which examines the role of trade integration for these changes in corporate organization. More...

Globalization has been identified by many experts as a new way firms organize their activities and as the emergence of human capital as the new stakeholder of the firm. This paper surveys recent work which examines the role of trade integration for these changes in corporate organization. More...

I analyze the salient features of networks and point out the similarities between the economic structure of networks and the structure of vertically related industries. The analysis focuses on positive consumption and production externalities, commonly called network externalities. I discuss...

Globalization has been identified by many experts as a new way firms organize their activities and as the emergence of human capital as the new stakeholder of the firm. This paper surveys recent work which examines the role of trade integration for these changes in corporate organization. More...

Globalization has been identified by many experts as a new way firms organize their activities and as the emergence of human capital as the new stakeholder of the firm. This paper surveys recent work which examines the role of trade integration for these changes in corporate organization. More...

This paper critiques some of the properties of the so-called quot;efficient component pricing rulequot; (ECPR) for access to a bottleneck (monopoly) facility. When a rival and the bottleneck monopolist both produce a complementary component to the bottleneck service, the ECPR specifies that the...

We study the dynamics of an oligopoly market with network externalities. In contrast to earlier work, we consider a model where products are vertically differentiated and the number of firms is arbitrary. We show that the degree of network externalities has a one-to-one relationship with the...

In developing countries, mobile telecom networks have emerged as major providers of financial services, bypassing the sparse retail networks of traditional banks. We analyze a large individual-level data set of mobile money transactions in Tanzania to provide evidence of the impact of mobile...

In developing countries, mobile telecom networks have emerged as major providers of financial services, bypassing the sparse retail networks of traditional banks. We analyze a large individual-level data set of mobile money transactions in Tanzania. Transactions can be classified as (i) money...

Pricing of Internet access has been characterized by two properties. Parties are directly billed only by the Internet Service Provider (ISP) through which they connect to the Internet and the ISP charges them on the basis of the amount of information transmitted rather than its content. These...