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Competitive Model Selection in Algorithmic Targeting
Iyer, Ganesh; Ke, T. Tony - National Bureau of Economic Research - 2023
This paper studies how market competition influences the algorithmic design choices of firms in the context of targeting. Firms face the general trade-off between bias and variance when choosing the design of a supervised learning algorithm in terms of model complexity or the number of...
Persistent link: https://www.econbiz.de/10014247922
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Spurious Regressions in Financial Economics?
Ferson, Wayne E. - 2002
Even though stock returns are not highly autocorrelated, there is a spurious regression bias in predictive regressions for stock returns related to the classic studies of Yule (1926) and Granger and Newbold (1974). Data mining for predictor variables interacts with spurious regression bias. The...
Persistent link: https://www.econbiz.de/10012469566
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To Hold Out or Not to Hold Out
Schorfheide, Frank - 2013
A recent literature has developed that combines two prominent empirical approaches to ex ante policy evaluation: randomized controlled trials (RCT) and structural estimation. The RCT provides a "gold-standard'' estimate of a particular treatment, but only of that treatment. Structural estimation...
Persistent link: https://www.econbiz.de/10012459096
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A Short Note on the Size of the Dot-Com Bubble
DeLong, J. Bradford - 2006
A surprisingly large amount of commentary today marks the beginning of the dot-com bubble of the late 1990s from either the Netscape Communications initial public offering of 1995 or Alan Greenspan's "irrational exuberance" speech of 1996. We believe that this is wrong: we see little sign that...
Persistent link: https://www.econbiz.de/10012466660
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Macro-economic Management in an Electronic Credit/Financial System
Stiglitz, Joseph E. - 2017
Modern technology provides the basis of an efficient low-cost electronic payments as an alternative to the current system where fiat money is the medium of exchange. This paper explores possible macro-economic implication, showing how such a financial system might enhance government's ability to...
Persistent link: https://www.econbiz.de/10012455648
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Online Auctions
Ockenfels, Axel - 2006
The economic literature on online auctions is rapidly growing because of the enormous amount of freely available field data. Moreover, numerous innovations in auction-design features on platforms such as eBay have created excellent research opportunities. In this article, we survey the...
Persistent link: https://www.econbiz.de/10012465877
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Search, Obfuscation, and Price Elasticities on the Internet
Ellison, Glenn - 2004
We examine the competition between a group of Internet retailers that operate in an environment where a price search …
Persistent link: https://www.econbiz.de/10012468123
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Economic Insights from Internet Auctions : A Survey
Bajari, Patrick - 2003
This paper surveys recent studies of Internet auctions. Four main areas of research are summarized. First, economists …'s curse. Third, we explore research about the role of reputation in online auctions. Finally, we discuss what Internet …
Persistent link: https://www.econbiz.de/10012468618
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Geography and the Internet : Is the Internet a Substitute or a Complement for Cities?
Sinai, Todd - 2003
We study the tendency to connect to the Internet, and the online and offline shopping behavior of connected persons, to … draw inferences about whether the Internet is a substitute or a complement for cities. We document that larger markets have … content, suggesting the Internet is a complement to cities. Yet, holding local online content constant, people are less likely …
Persistent link: https://www.econbiz.de/10012468670
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Does Information Undermine Brand? Information Intermediary Use and Preference for Branded Web Retailers
Waldfogel, Joel - 2003
dataset on 1998-99 Internet shopping behavior and use of information intermediaries by over 30,000 households to examine … strategy and the evolution of market structure. If information weakens the pull of brand, then Internet retailing may grow less …
Persistent link: https://www.econbiz.de/10012468755