Publications

2009
Other Unpublished Work

Deception in Post-Transaction Marketing Offers

By: Benjamin Edelman

Keywords: Ethics; Crime and Corruption; Market Transactions

August 2008 (Revised April 2012)
Supplement

Real Property Negotiation Game (B): Seller, Raleigh Commons

By: Arthur I Segel and John H. Vogel, Jr.

The Real Property Negotiation Game simulates the experience negotiating the sale, purchase, or financing of a property. The class competes as either a lender, buyer, or one of two groups of sellers, Raleigh, North Carolina and Las Vegas, Nevada. The seller case,... View Details

Keywords: Negotiation; Property; Price; Sales; Market Transactions; Real Estate Industry; Raleigh

Purchase

2009
Working Paper

Running Out of Numbers: Scarcity of IP Addresses and What to Do About It

By: Benjamin Edelman

The Internet's current numbering system is nearing exhaustion: Existing protocols allow only a finite set of computer numbers ("IP addresses"), and central authorities will soon deplete their supply. I evaluate a series of possible responses to this shortage: Sharing... View Details

Keywords: Policy; Resource Allocation; Market Transactions; Internet; Technology Networks; Technology Industry; Telecommunications Industry

Article

Priced and Unpriced Online Markets

By: Benjamin Edelman

With forces both supporting and opposing zero prices, typical Internet-related activities—like surfing the web, web searches, and e-mail, along with behind-the-scenes practices like domain names and the allocation of IP (Internet Protocol) addresses—present a natural... View Details

Keywords: Cost vs Benefits; Price; Market Transactions; Service Operations; Internet

2009
Article

Running Out of Numbers: Scarcity of IP Addresses and What To Do About It

By: Benjamin Edelman

The Internet's current numbering system is nearing exhaustion: Existing protocols allow only a finite set of computer numbers ("IP addresses"), and central authorities will soon deplete their supply. I evaluate a series of possible responses to this shortage: Sharing... View Details

Keywords: Internet; Performance Capacity; Technology Networks; Market Transactions; Resource Allocation; Policy; Price; Information Technology Industry

June 26, 2024
Article

How NFT Royalties Work: Designs, Challenges, and New Ideas

By: Michael Blau, Scott Duke Kominers and Daren Matsuoka

Keywords: Royalties; NFTs; Framework; Ownership; Market Transactions

May 2013
Article

Guidance from ARIN on Legal Aspects of the Transfer of Internet Protocol Numbers

By: Benjamin Edelman and Stephen Ryan

Every device connected to the global Internet needs a numeric identifier, an "Internet Protocol" address ("IP address"). The Internet's continued growth presents a challenge: most IP addresses have already been assigned to networks and organizations, leaving few left... View Details

Keywords: IP Addresses; Regulation; Market Design; Market Transactions; Rights; Contracts; Internet; Technology Adoption; Technology Networks

September – October 2007
Article

Trading Patterns and Excess Comovement of Stock Returns

By: Robin Greenwood and Nathan Sosner

n April 2000, 30 stocks were replaced in the Nikkei 225 Index. The unusually broad index redefinition allowed for a study of the effects of index-linked trading on the excess comovement of stock returns. A large increase occurred in the correlation of trading volume of... View Details

Keywords: Stocks; Investment Return; Market Transactions; Mathematical Methods

August 2009
Article

Rewriting History

By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston

We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details

Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry

2008
Working Paper

Rewriting History

By: Alexander Ljungqvist, Christopher J. Malloy and Felicia Marston

We document widespread ex post changes to the historical contents of the I/B/E/S analyst stock recommendations database. Across a sequence of seven downloads of the entire I/B/E/S recommendations database, obtained between 2000 and 2007, we find that between 6,594... View Details

Keywords: Competency and Skills; Stocks; Profit; Market Transactions; Reputation; Financial Services Industry

July 2008 (Revised September 2009)
Case

Betfair vs. UK Bookmakers

By: Ramon Casadesus-Masanell and Neil Campbell

Betting exchanges provide an electronic platform that allows ordinary consumers to not only back teams to win, but also to lay odds for other punters to back. This business model allows punters to cut out the middleman of the bookmaker and leads to a much more... View Details

Keywords: Business Model; Decision Choices and Conditions; Two-Sided Platforms; Market Transactions; Competition; Entertainment and Recreation Industry

Educators

Purchase

December 2009
Article

Negotiation? Auction? A Deal Maker's Guide

By: Guhan Subramanian

What's the best way to buy or sell an asset? Should you hold an auction and accept the most attractive offer? Or should you identify the most likely prospects and negotiate with them privately? Auctions became increasingly popular after the internet opened wide the... View Details

Keywords: Assets; Auctions; Market Transactions; Negotiation; Strategy; Decision Choices and Conditions

Purchase

24 Jul 2014
Op-Ed

Reform Tax Law to Keep US Firms at Home

I am a Professor of Finance at Harvard Business School, a Professor of Law at Harvard Law School, and a Research Associate of the National Bureau of Economic Research. Recent merger transactions highlight long-simmering problems in the US... View Details

Keywords: by Mihir Desai; Pharmaceutical

2007
Other Unpublished Work

Round Numbers and Security Returns

By: Edward Johnson, Nicole Bastian Johnson and Devin M. Shanthikumar

We document consistent differences in daily stock returns related to round numbers. In particular, we examine returns following previous day closing prices that are just above or just below round number benchmarks. We find, for both one-digit, two-digit and three-digit... View Details

Keywords: Stocks; Investment Return; Price; Market Transactions