We study a dynamic model of the decision to continue or abandon a research project. Researchers improve their ideas over time and also learn whether those ideas will be adopted by the scientific community. Projects are abandoned as researchers grow more pessimistic about their chance of success....

Research productivity depends on the ability to discern whether an idea is promising, and a willingness to abandon the ones that are not. Economists know little about this process, however, because empirical studies of innovation typically begin with a sample of issued patents or published...

This is a set of Frequently Asked Questions (and answers) about the economic, institutional, and technological structure of the Internet. We describe the history and current state of the Internet, discuss some of the pressing economic and regulatory problems, and speculate about future developments.

L'exposé présente un certain nombre d'éléments expliquant pourquoi les activités se développant sur le Net ne peuvent pas être bien appréhendées dans un contexte de concurrence parfaite, et discute la nature des barrières à l'entrée. Nous verrons que l'essentiel des changements...

The new information technologies adoption and e-commerce emergence change the role of financial intermediaries in new E-conomy. During the last years, the bank started an expansion to the web – they offer broad range of traditional bank products and services via Internet. The remote banking...

Clearinghouse models of online pricing---such as Varian (1980), Rosenthal (1980), Narasimhan (1988), and Baye-Morgan (2001)---view a price comparison site as an 'information clearinghouse' where shoppers and loyals obtain price and product information to make online purchases. These models...

This paper examines the justifications, history, and practice of regulation in the US telecommunications sector. We examine the impact of technological and regulatory change on market structure and business strategy. Among others, we discuss the emergence and decline of the telecom bubble, the...

Since the internet have become popular to the public, a new simulation method, which involves a large number of people in the simulation process, has been enabled. In this paper, a macroeconomic data collection simulator on the internet, which can model a closed economic system by using such the...