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The large literature on costly signaling and the somewhat scant literature on preference signaling had varying success in showing that sending a signal affects outcomes. We use a field experiment to s...
This article presents an experimental setup that has been used successfully to teach concepts in the economics of auctions, and implications for e-Business procurement. The experiment is easily admini...
Spurred by improvements in routing technology, the architecture of the Internet is evolving. Until recently, nearly all routing took placethrough parallel hierarchies, in which each core Internet serv...
This paper analyzes of two kinds of Internet interconnection arrangements: peering relationships between core Internet Service Providers (ISPs) and transit sales by core ISPs toother ISPs. Core backbo...
We model an online display advertising environment with brand advertisers and betterinformed performance advertisers, and seek an auction mechanism that is strategy-proof, anonymous and insulates bran...
The internet has facilitated the creation of new markets characterized by large scale, increased customization, rapid innovation and the collection and use of detailed consumer and market data. I ...
Consumer auctions were very popular in the early days of internet commerce, but today online sellers mostly use posted prices. Data from eBay shows that compositional shifts in the items being sold,...
We estimate the sensitivity of Internet retail purchasing to sales taxes using eBay data. Our first approach exploits the fact that a seller’s location—and therefore the applicable tax rate—is rev...
Canadian Internet access is heavily and unnecessarily dependent upon foreign infrastructure, especially U.S. infrastructure. This dependence imposes significant burdens upon Canadian Internet users.
Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR web-site, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance....
In an online experiment, we measure users' interactions with search engines, both in standard configurations and in modified versions with clearer labels identifying search engine advertisements. In p...
This paper explores China’s digital divide, with a focus on differences in access to computers, learning software, and the Internet at school and at home among different groups of elementary school ch...
The paper compares the characteristics of traditional business model to future business model development. Internet will be the most important growth point on business development. With the internet b...
The paper compares the characteristics of traditional business model to future business model development. Internet will be the most important growth point on business development. With the internet b...
We propose a decentralized model of network and server economies, where we show efficient QoS (Quality of Service) provisioning and Pareto allocation of resources (network and server resources) among ...

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