Research on capital structure attempts to explain how corporations finance real investment, with particular emphasis on the proportions of debt vs. equity financing. There is no universal theory of the debt-equity choice, and no reason to expect one. But three useful conditional theories are...

Just as the industrial revolution mechanized the manufacturing functions of firms, the information revolution is automating their merchant functions. Four types of potential productivity gains are expected from business-to-business (B2B) electronic commerce: cost efficiencies from automation of...

We examine the equilibrium interaction between a market for price information (controlled by a gatekeeper) and the homogenous product market it serves. The gatekeeper charges fees to firms that advertise prices on its Internet site and to consumers who access the list of advertised prices....

In this paper, we study the dynamics of the market for Database Management Systems (DBMS), which is commonly assumed to possess network effects and where there is still some viable competition in our study period, 2000 – 2004. Specifically, we make use of a unique and detailed dataset on...

This study, based on data about internet available functionalities of Portuguese municipalities, determines, using computational facilities supported by a data base and a query language, and analyzes a large number of recommendations in order to provide a better service to user. It concludes...

This study determines, analyzes and publishes rankings concerning the functionalities of information services of Portuguese municipalities, based on the direct observation of their web sites, executed between March and June of 2006. It summarizes information concerning these functionalities...

Advertisements provide consumers with knowledge about private products, whereas political information is required to provide voters with knowledge of public issues. Modern information technologies and globalization are increasing the exposure of individuals to information. Goods advertising is...

This lecture provides an introduction to the economics of Internet search engines. After a brief review of the historical development of the technology and the industry, I describe some of the economic features of the auction system used for displaying ads. It turns out that some relatively...

ActiveX is a set of technologies that has the potential to change the way information is accessed and used on the Internet; allows software components to interact with one another in a networked environment, regardless of the language in which the components were created. Powerful abstractions...