The recent implementation of the Model for End-stage Liver Disease (MELD)/Pediatric End-stage Liver Disease (PELD) system for the allocation of cadaveric liver organs in the US represents a dramatic change in organ allocation policy. Previous allocation algorithms used a categorical...

This paper examines international and domestic collaborations using data from an original survey of corresponding authors and Web of Science data of articles that had at least one US coauthor in the fields of Particle and Field Physics, Nanoscience and Nanotechnology, and Biotechnology and...

The extension of information and communication technologies to economic activity is changing the labour market in important ways. This article shows that computerization and use of the Internet are associated with greater hours worked as well as higher wages; that IT occupations are rapidly...

The extension of information and communication technologies to economic activity is changing the labour market in important ways. This article shows that computerization and use of the Internet are associated with greater hours worked as well as higher wages; that IT occupations are rapidly...