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  • June 2014
  • Article

Pitfalls and Fraud in Online Advertising Metrics: What Makes Advertisers Vulnerable to Cheaters, and How They Can Protect Themselves

By: Benjamin Edelman
How does online advertising become less effective than advertisers expect and less effective than measurements indicate? The current research explores problems that result, in part, from malfeasance by outside perpetrators who overstate their efforts to increase their... View Details
Keywords: Online Advertising; Measurement; Mismeasurement; Fraud; Invisible; Digital Marketing; Misleading and Fraudulent Advertising; Marketing Strategy
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  • Winter 2017
  • Article

Google, Mobile and Competition: The Current State of Play

By: Benjamin Edelman
I present Google practices that have raised objections from competition regulators. I consider the key impediments to competition and examine the business models foreclosed by Google's restrictions. View Details
Keywords: Antitrust; Mobile; Mobile Technology; Search Technology; Technology Platform; Contracts; Lawfulness; Competition; Information Technology Industry; European Union; Russia; South Korea
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  • 2010
  • Article

Measuring the Perpetrators and Funders of Typosquatting

By: Tyler Moore and Benjamin Edelman
We describe a method for identifying "typosquatting", the intentional registration of misspellings of popular website addresses. We estimate that at least 938,000 typosquatting domains target the top 3,264 .com sites, and we crawl more than 285,000 of these domains to... View Details
Keywords: Measurement and Metrics; Online Technology; Web
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  • April 2013 (Revised October 2014)
  • Case

SaferTaxi: Connecting Taxis and Passengers in South America

By: Peter Coles and Benjamin Edelman
SaferTaxi, a taxi booking service in South America must develop its mobilization strategy; that is, it must attract enough passengers and drivers to make its service worthwhile for all. Drivers hesitate to pay for SaferTaxi's smartphones and service unless these will... View Details
Keywords: Taxi Booking; Smartphone; Transportation Networks; Network Effects; Laws and Statutes; South America; Argentina; Brazil; Chile
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  • January 5, 2012
  • Article

Internet Protocol Numbers and the American Registry for Internet Numbers: Suggested Guidance for Bankruptcy Trustees, Debtors-in-Possession, and Receivers

By: Stephen Ryan, Benjamin Edelman and Matthew Martel
Bankruptcy trustees, debtors-in-possession, and receivers are seeing an increase in efforts to sell Internet Protocol (IP) addresses, also referred to "IP Numbers." IP Numbers are the unique numeric identifiers associated with computers connected to the Internet. While... View Details
Keywords: Insolvency and Bankruptcy; Internet; Sales; Value; Policy; Contracts
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  • 23 Oct 2018
  • First Look

New Research and Ideas, October 23, 2018

difficult tasks. Second, overestimation of ability by both men and women varies across categories. To understand these patterns, we develop a model that separates gender stereotypes from misestimation of... View Details
Keywords: Dina Gerdeman
  • 05 Feb 2008
  • First Look

First Look: February 5, 2008

  Working PapersOn Best-Response Bidding in GSP Auctions Authors:Matthew Cary, Aparna Das, Benjamin Edelman, Ioannis Giotis, Kurtis Heimerl, Anna R. Karlin, Claire Mathieu, and Michael Schwarz Abstract How... View Details
Keywords: Martha Lagace
  • 23 Nov 2010
  • First Look

First Look: November 23

psychology and ethical decision making. Read the paper: http://www.francescagino.com/uploads/4/7/4/7/4747506/caruso_gino_cognition_2011.pdf The Design of Online Advertising Markets Author: Benjamin G. View Details
Keywords: Sean Silverthorne
  • 10 Dec 2013
  • First Look

First Look: December 10

a comprehensive approach to understanding the drivers of firm location choices by modeling not only the impact of location and firm heterogeneity, but also the strategic interaction among firms. August 2013... View Details
Keywords: Sean Silverthorne
  • January–February 2011
  • Article

Adverse Selection in Online 'Trust' Certifications and Search Results

By: Benjamin Edelman
Widely used online "trust" authorities issue certifications without substantial verification of recipients' actual trustworthiness. This lax approach gives rise to adverse selection: the sites that seek and obtain trust certifications are actually less trustworthy than... View Details
Keywords: Online Advertising; Governing Rules, Regulations, and Reforms; Policy; Safety; Trust; Internet; Search Technology; Web Sites
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  • August 2015
  • Article

Pricing and Efficiency in the Market for IP Addresses

By: Benjamin Edelman and Michael Schwarz
We consider market rules for transferring IP addresses, numeric identifiers required by all computers connected to the Internet. Transfers usefully move resources from lowest- to highest-valuation networks, but transfers tend to cause socially costly growth in the... View Details
Keywords: Externalities; Intermediaries; Market Design; Internet; Web Services Industry; Telecommunications Industry
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  • August 2018
  • Article

An Introduction to the Competition Law and Economics of 'Free'

By: Benjamin Edelman and Damien Geradin
Many of the largest and most successful businesses today rely on providing services at no charge to at least a portion of their users. For consumers, it is easy to celebrate free service. At least in the short term, free services are often high quality, and users find... View Details
Keywords: Cost; Quality; Competition; Economics
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  • November–December 2014
  • Article

Accountable? The Problems and Solutions of Online Ad Optimization

By: Benjamin Edelman
Online advertising might seem to be the most measurable form of marketing ever invented. Comprehensive records can track who clicked what ad—and often who saw what ad—to compare those clicks with users' subsequent purchases. Ever-cheaper IT makes this tracking... View Details
Keywords: Online Advertising; Fraud; Optimization; Incentives; Digital Marketing; Contracts; Marketing Strategy; Organizational Design
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  • 28 Jul 2009
  • First Look

First Look: July 28

without substantial verification of recipients' actual trustworthiness. This lax approach gives rise to adverse selection: the sites that seek and obtain trust certifications are actually less trustworthy than others. Using a new dataset... View Details
Keywords: Martha Lagace
  • 16 Mar 2009
  • Research & Ideas

When the Internet Runs Out of IP Addresses

roadblocks are delaying its widespread implementation, probably for many years. So what happens when the last IPv4 address is assigned? Harvard Business School professor Benjamin G. Edelman proposes a... View Details
Keywords: by Sean Silverthorne; Telecommunications
  • 24 Oct 2011
  • Research & Ideas

The Yelp Factor: Are Consumer Reviews Good for Business?

In recent years, consumer review sites including Yelp, Citysearch, and TripAdvisor have become the first stop for recommendations on everything from dinner to dentists. Along the way, they've earned a loyal following from fans, but also... View Details
Keywords: by Michael Blanding; Food & Beverage
  • 30 Jan 2018
  • First Look

January 30, 2018

products offered to customers—has recently been used as a competitive advantage for both brick-and-mortar and online retailers. Fast-fashion retailers have differentiated themselves by rotating their... View Details
Keywords: Sean Silverthorne
  • 21 Jan 2014
  • First Look

First Look: January 21

several mechanisms: by conferring employer recognition, by enhancing social visibility, and by facilitating social comparison. In a nationwide... View Details
Keywords: Sean Silverthorne
  • 02 Jan 2012
  • Research & Ideas

Most Popular Articles of 2011

School professor Benjamin G. Edelman discusses the paper's findings Teaching a 'Lean Startup' Strategy (24,997) http://hbswk.hbs.edu/item/6659.html Published: April 11, 2011 Most startups fail because they... View Details
Keywords: by Staff
  • 23 Sep 2014
  • First Look

First Look: September 23

http://www.hbs.edu/faculty/Publication%20Files/Kiatpongsan%20Norton%20PPS_31f17547-5033-401c-8ed2-ccc9b6a2b433.pdf   Working Papers Bitcoin By: Böhme, Rainer, Nicolas Christin, Benjamin Edelman, and Tyler... View Details
Keywords: Sean Silverthorne