The heterogeneous connections model is a generalization of the homogeneous connections model of Jackson and Wolinsky (1996) in which the intrinsic value of each connection is set by a discrete, positive and symmetric function that depends solely on the types of the two end agents. Core periphery...

Since the seminal contribution of Jackson & Wolinsky 1996 [A Strategic Model of Social and Economic Networks, JET 71, 44-74] it has been widely acknowledged that the formation of social networks exhibits a general conflict between individual strategic behavior and collective outcome. What has...

We study the impact of research collaborations in coauthorship networks on research output and how optimal funding can maximize it. Through the links in the collaboration network, researchers create spillovers not only to their direct coauthors but also to researchers indirectly linked to them....

Community enforcement is an important device for sustaining efficiency in some repeated games of cooperation. We investigate cooperation when information about players' reputations spreads to their future partners through links in a social network that connects them. We find that information...

When procurement contracts are incomplete, they are frequently changed after the contract is awarded to the lowest bidder. This results in a final cost that differs from the initial price, and may involve significant transaction costs due to renegotiation. We propose a stylized model of bidding...

The importance of connectivity is growing across the world as the need for access to information and communication technologies is becoming more important for economic development. This paper presents the concept of the connectivity frontier as the expected achievable level of commercially...

The objective of this study is to estimate the socioeconomic impact of the deployment of last-mile digital infrastructure in Latin America and the Caribbean. To measure the impact of the economic and social aspects of this type of infrastructure, the analysis differentiates according to the...

The objective of this study is to estimate the socioeconomic impact of the deployment of last-mile digital infrastructure in Latin America and the Caribbean. To measure the impact of the economic and social aspects of this type of infrastructure, the analysis differentiates according to the...

The objective of this study is to estimate the socioeconomic impact of the deployment of last-mile digital infrastructure in Latin America and the Caribbean. To measure the impact of the economic and social aspects of this type of infrastructure, the analysis differentiates according to the...