Publications

10 May 2012
Working Paper Summaries

The Flattened Firm—Not as Advertised

Keywords: by Julie Wulf

2015
Working Paper

Wisdom or Madness? Comparing Crowds with Expert Evaluation in Funding the Arts

By: Ethan Mollick and Ramana Nanda

In fields as diverse as technology entrepreneurship and the arts, crowds of interested stakeholders are increasingly responsible for deciding which innovations to fund, a privilege that was previously reserved for a few experts, such as venture capitalists and... View Details

Keywords: Arts; Decision Choices and Conditions; Philanthropy and Charitable Giving

SSRN

March 2019
Article

A Structural Analysis of the Role of Superstars in Crowdsourcing Contests

By: Shunyuan Zhang, Param Singh and Anindya Ghose

We investigate the long-term impact of competing against superstars in crowdsourcing contests. Using a unique 50-month longitudinal panel data set on 1677 software design crowdsourcing contests, we illustrate a learning effect where participants are able to improve... View Details

Keywords: Crowdsourcing Contests; Superstar Effect; Bayesian Learning; Utility; Economics Of Information System; Dynamic Structural Model; Dynamic Programming; Markov Chain; Monte Carlo; Learning; Competition; Performance Improvement

June 2009
Article

Highbrow Films Gather Dust: Time-inconsistent Preferences and Online DVD Rentals

By: Katherine L. Milkman, Todd Rogers and Max H. Bazerman

We report on a field study demonstrating systematic differences between the preferences people anticipate they will have over a series of options in the future and their subsequent revealed preferences over those options. Using a novel panel data set, we analyze the... View Details

Keywords: Decision Choices and Conditions; Forecasting and Prediction; Film Entertainment; Demand and Consumers; Renting or Rental; Power and Influence; Prejudice and Bias; Online Technology; Motion Pictures and Video Industry

2007
Working Paper

Highbrow Films Gather Dust: Time-inconsistent Preferences and Online DVD Rentals

By: Katherine L. Milkman, Todd Rogers and Max H. Bazerman

We report on a field study demonstrating systematic differences between the preferences people anticipate they will have over a series of options in the future and their subsequent revealed preferences over those options. Using a novel panel data set, we analyze the... View Details

Keywords: Internet and the Web; Decision Choices and Conditions; Attitudes; Conflict and Resolution; Emotions; Film Entertainment; Cognition and Thinking; Entertainment and Recreation Industry

Jerry R. Green

David A. Wells Professor of Political Economy

John Leverett Professor in the University

Harvard University

Jerry Green is the John Leverett Professor in the University and the David A. Wells... View Details

Keywords: aerospace; education industry; insurance industry; professional services

Article

Wisdom or Madness? Comparing Crowds with Expert Evaluation in Funding the Arts

By: Ethan Mollick and Ramana Nanda

In fields as diverse as technology entrepreneurship and the arts, crowds of interested stakeholders are increasingly responsible for deciding which innovations to fund, a privilege that was previously reserved for a few experts, such as venture capitalists and... View Details

Keywords: Crowdfunding; Arts; Decision Choices and Conditions; Entrepreneurship; Investment; Fine Arts Industry; Technology Industry

09 Nov 2017
HBS Seminar

Alfonso Gambardella, Bocconi University

April 2008
Article

The Survey of Industrial R&D—Patent Database Link Project

By: William R. Kerr and Shihe Fu

This paper details the construction of a firm-year panel dataset combining the NBER Patent Dataset with the Survey of Industrial R&D conducted by the Census Bureau and National Science Foundation. The dataset constitutes a platform that offers an unprecedented view of... View Details

Keywords: Analytics and Data Science; Patents; Surveys; Research and Development; Innovation and Invention; Performance Productivity; Projects; Management Practices and Processes; Management Analysis, Tools, and Techniques

U.S. states increasingly require identification to vote—an ostensible attempt to deter fraud that prompts complaints of selective disenfranchisement. Using a difference-in-differences design on a panel data set with 1.6 billion observations, 2008–2018, we find that... View Details

Design-Based Confidence Sequences: A General Approach to Risk Mitigation in Online Experimentation.

Randomized experiments have become the standard method for companies to evaluate the performance of new products or services. In addition to augmenting managers' decision-making, experimentation mitigates risk by limiting the proportion of customers exposed to... View Details

24 Jan 2024
Op-Ed

Why Boeing’s Problems with the 737 MAX Began More Than 25 Years Ago

Once again, Boeing’s 737 MAX is back in the headlines. After two crashes that killed 346 people in 2018 and 2019 and five years of ensuing design changes and regulatory scrutiny, the 737 MAX is grounded again after a mid-air blowout of a fuselage View Details

Keywords: by Bill George; Air Transportation; Transportation; Aerospace

July 2021
Article

Medical Debt in the U.S., 2009–2020

By: Raymond Kluender, Neale Mahoney, Francis Wong and Wesley Yin

Importance: Medical debt is an increasing concern in the US, yet there is limited understanding of the amount and distribution of medical debt, and its association with health care policies.

Objective: To measure the amount of medical debt nationally and by... View Details

Keywords: Debt; Borrowing and Debt; Health Care and Treatment; United States

Web

Live from Klarman Hall - Alumni

Truth Behind Political Claims 10:00–11:15 a.m. ET Both livestreamed and recorded Speaker: Alberto Cavallo , Thomas S. Murphy Professor of Business Administration How can data reveal the real impact of economic policies? In this session,... View Details

19 Jun 2014
Working Paper Summaries

Wisdom or Madness? Comparing Crowds with Expert Evaluation in Funding the Arts

Keywords: by Ethan R. Mollick & Ramana Nanda

2013
Dissertation

Designing Freemium: A Model of Consumer Usage, Upgrade, and Referral Dynamics

By: Clarence Lee, Vineet Kumar and Sunil Gupta

Abstract. Over the past decade "freemium" (free + premium) has become the dominant business model among internet start-ups for its ability to acquire and monetize a large install-base with limited marketing resources. Freemium is a hybrid strategy where a firm offers... View Details

Keywords: Discrete-Continuous Choice Dynamic Structural Models; Bayesian Estimation; Word-of-Mouth; Digital Services; Freemium; Entrepreneurship; Business Model; Motivation and Incentives; Marketing Strategy; Internet and the Web; Consumer Behavior; Marketing Reference Programs; Business Startups