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Pennies from Ebay: The Determinants of Price in Online Auctions
This paper presents an exploratory analysis of the determinants of prices in online auctions for collectible United States one-cent coins at the eBay web site. Starting with an initial data set of…
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Auctions on the Internet: What's Being Auctioned, and How?
This paper is an economist's guide to auctions on the Internet. It traces the development of online auctions since 1993, and presents data from a comprehensive study of 142 different Internet auction…
Public versus Secret Reserve Prices in eBay Auctions: Results from a Pokémon Field Experiment
Sellers in eBay auctions have the opportunity to choose both a public minimum bid amount and a secret reserve price. We ask, empirically, whether the seller is made better or worse off by setting a…
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The Roles of Marketing, Product Quality and Price Competition in the Growth and Composition of the U.S. Anti-Ulcer Drug Industry
The introduction of Tagamet in the United States in 1977 represented both a revolution in ulcer therapy and the beginning of an important new industry. Today there are four prescription H2-…
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The Economics of Spam
TLDR
The history of the market for spam is described, highlighting the strategic cat-and-mouse game between spammers and email providers, and the spam market's externality ratio of 100 is put into context by comparing it to other activities with negative externalities.
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Here, there, and everywhere: correlated online behaviors can lead to overestimates of the effects of advertising
TLDR
Using three controlled experiments, it is shown that observational data frequently lead to incorrect estimates of adFX, and how and why observational methods lead to a massive overestimate of adfx in such circumstances.
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Online ads and offline sales: measuring the effect of retail advertising via a controlled experiment on Yahoo!
A randomized experiment with 1.6 million customers measures positive causal effects of online advertising for a major retailer. The advertising profitably increases purchases by 5%. 93% of the…
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Does Retail Advertising Work? Measuring the Effects of Advertising on Sales Via a Controlled Experiment on Yahoo!
We measure the causal effects of online advertising on sales, using a randomized experiment performed in cooperation between Yahoo! and a major retailer. After identifying over one million customers…
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Down-to-the-minute effects of super bowl advertising on online search behavior
TLDR
This analysis combines search query data with the television commercial schedule for the 2011 Super Bowl to measure the causal impact of TV advertising on consumer search behavior and presents results for four categories of Super Bowl advertisers.
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What Happens in the Field Stays in the Field: Exploring Whether Professionals Play Minimax in Laboratory Experiments
The minimax argument represents game theory in its most elegant form: simple but with stark predictions. Although some of these predictions have been met with reasonable success in the field,…
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