Publications

05 Jul 2006
Working Paper Summaries

Empirical Tests of Information Aggregation

Keywords: by Pai-Ling Yin; Technology; Web Services

Winter 2013
Article

The New Patent Intermediaries: Platforms, Defensive Aggregators and Super-Aggregators

By: Andrei Hagiu and David B. Yoffie

The patent market consists mainly of privately negotiated, bilateral transactions, either sales or cross-licenses, between large companies. There is no eBay, Amazon, New York Stock Exchange, or Kelley's Blue Book equivalent for patents, and when buyers and sellers do... View Details

Keywords: Intellectual Property; Platforms; Intermediaries; Aggregator; Patents; Digital Platforms; Marketplace Matching; Distribution Channels

2012
Working Paper

The Dark Side of the Vote: Biased Voters, Social Information, and Information Aggregation Through Majority Voting

We experimentally investigate information aggregation through majority voting when some voters are biased. In such situations, majority voting can have a "dark side", i.e. result in groups making choices inferior to those made by individuals acting alone. We develop a... View Details

Keywords: Prejudice and Bias; Voting

September 2018
Article

Aggregation of Consumer Ratings: An Application to Yelp.com

By: Weijia Dai, Ginger Jin, Jungmin Lee and Michael Luca

Because consumer reviews leverage the wisdom of the crowd, the way in which they are aggregated is a central decision faced by platforms. We explore this "rating aggregation problem" and offer a structural approach to solving it, allowing for (1) reviewers to vary in... View Details

Keywords: User Generated Content; Crowdsourcing; Yelp; Social and Collaborative Networks; Information; Internet and the Web; Learning; Mathematical Methods; E-commerce

June 2017
Article

Does Aggregated Returns Disclosure Increase Portfolio Risk Taking?

By: John Beshears, James J. Choi, David Laibson and Brigitte C. Madrian

Many experiments have found that participants take more investment risk if they see returns less frequently, see portfolio-level returns (rather than each individual asset’s returns), or see long-horizon (rather than one-year) historical return distributions. In... View Details

Keywords: Information; Investment Portfolio; Investment Return

Article

Cultural Diversity on Wall Street: Evidence from Consensus Earnings Forecasts

By: Kenneth Merkley, Roni Michaely and Joseph Pacelli

We examine how cultural differences among agents influence the aggregate outcome of a common forecasting task. Using both exogenous shocks to sell-side analyst diversity and panel regression methods, we find that increases in analyst cultural diversity positively... View Details

Keywords: Culture; Forecasting; Sell-side Analysts; Information Aggregation; Diversity; Forecasting and Prediction; Information; Performance Improvement

2020
Working Paper

EMEs and COVID-19: Shutting Down in a World of Informal and Tiny Firms

By: Laura Alfaro, Oscar Becerra and Marcela Eslava

Emerging economies are characterized by an extremely high prevalence of informality, small-firm employment and jobs not fit for working from home. These features factor into how the COVID-19 crisis has affected the economy. We develop a framework that, based on... View Details

Keywords: COVID-19; Emerging Economies; Informality; Firm-size Distribution; Health Pandemics; Developing Countries and Economies; Economy; System Shocks; Latin America

Apr 2009
Keynote Speech

Digital Technology and Its Implications for Content Providers and Aggregators

By: Anita Elberse

Keywords: Information Technology; Business Ventures

2014
Working Paper

Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches

By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang

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. Our results show that firms appearing in chronologically adjacent... View Details

Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Analytics and Data Science; Internet and the Web; Mathematical Methods; Corporate Finance

SSRN

January 1995
Article

Money, Output, and Prices: Evidence from a New Monetary Aggregate

By: J. J. Rotemberg, John Driscoll and James Poterba

Keywords: Money; Price; Information

Article

Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches

By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang

Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR website, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent... View Details

Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Perception; Internet and the Web; Investment

21 Oct 2011
Working Paper Summaries

Market Interest in Nonfinancial Information

Keywords: by Robert G. Eccles, Michael P. Krzus & George Serafeim

Article

Optimal Capital-Gains Taxation under Limited Information

By: Jerry R. Green and Eytan Sheshinski

Taxation of capital gains at realization may distort individuals' decisions regarding holding or selling during an asset's lifetime. This creates the problem of designing a tax structure for capital gains so as to induce efficient patterns of holding and selling.... View Details

Keywords: Capital Gains; Optimal Taxation; Taxation

2018
Working Paper

Bayesian Ensembles of Binary-Event Forecasts: When Is It Appropriate to Extremize or Anti-Extremize?

By: Kenneth C. Lichtendahl Jr., Yael Grushka-Cockayne, Victor Richmond R. Jose and Robert L. Winkler

Many organizations face critical decisions that rely on forecasts of binary events. In these situations, organizations often gather forecasts from multiple experts or models and average those forecasts to produce a single aggregate forecast. Because the average... View Details

Keywords: Forecast Aggregation; Linear Opinion Pool; Generalized Additive Model; Generalized Linear Model; Stacking.; Forecasting and Prediction

SSRN

Web

Industry Information - Alumni

for every state in the US + – Consulting Top-Consultant.com An aggregate of all the most recent news in the consulting industry. Consulting The primary news publication for the consulting profession featuring the latest View Details

Forthcoming
Article

What's My Employee Worth? The Effects of Salary Benchmarking

By: Zoë B. Cullen, Shengwu Li and Ricardo Perez-Truglia

While U.S. legislation prohibits employers from sharing information about their employees’ compensation with each other, companies are still allowed to acquire and use more aggregated data provided by third parties. Most medium and large firms report using this type... View Details

Keywords: Information Sharing; Wages; Policy; Compensation and Benefits

December 2014
Article

The Distinct Effects of Information Technology and Communication Technology on Firm Organization

By: Nicholas Bloom, Luis Garicano, Raffaella Sadun and John Van Reenen

Empirical studies on information communication technologies (ICT) typically aggregate the "information" and "communication" components together. We show theoretically and empirically that this is problematic. Information and communication technologies have very... View Details

Keywords: Communication Technology; Information Technology; Organizational Structure