Publications

01 Mar 2007
News

The Plight of the Global Poor

day or less. The number of people living in poverty at the bottom of the wealth pyramid, versus the relative... View Details

Keywords: Garry Emmons; bottom of the pyramid (BOP); Colleges, Universities, and Professional Schools; Educational Services; Social Assistance; Health, Social Assistance

October 2021
Article

Overcoming the Cold Start Problem of CRM Using a Probabilistic Machine Learning Approach

By: Nicolas Padilla and Eva Ascarza

The success of Customer Relationship Management (CRM) programs ultimately depends on the firm's ability to understand consumers' preferences and precisely capture how these preferences may differ across customers. Only by understanding customer heterogeneity, firms can... View Details

Keywords: Customer Management; Targeting; Deep Exponential Families; Probabilistic Machine Learning; Cold Start Problem; Customer Relationship Management; Programs; Consumer Behavior; Analysis

2024
Working Paper

Do Collusive Norms Maximize Profits? Evidence From a Vegetable Market Experiment in India

By: Abhijit Banerjee, Greg Fischer, Dean Karlan, Matt Lowe and Benjamin N. Roth

Social norms have been shown to facilitate anti-competitive behavior in decentralized markets. We demonstrate that these norms can also reduce aggregate profits. First, we present descriptive evidence of competition-suppressing norms in Kolkata vegetable markets.... View Details

Keywords: Collusion; Competition; Market Entry and Exit; Small Business; Microeconomics; Kolkata

August 2003
Article

When Does the Market Matter? Stock Prices and the Investment of Equity-Dependent Firms

By: Malcolm Baker, Jeremy Stein and Jeffrey Wurgler

We use a simple model of corporate investment to determine when investment will be sensitive to non-fundamental movements in stock prices. The key cross-sectional prediction of the model is that stock prices will have a stronger impact on the investment of firms that... View Details

Keywords: Stocks; Price; Investment; Equity; Forecasting and Prediction; Rank and Position; Markets

16 Nov 2015
Research & Ideas

Does Competition Make Us More Creative?

much competition pushes them in the opposite direction. The findings could help organizations generate more innovative ideas, sharpen R&D, and even improve “bake-off”... View Details

Keywords: by Michael Blanding; Advertising

August 2012
Article

A Darker Side to Decentralized Banks: Market Power and Credit Rationing in SME Lending

By: Rodrigo Canales and Ramana Nanda

We use loan-level data to study how the organizational structure of banks impacts small business lending. We find that decentralized banks-where branch managers have greater autonomy over lending decisions-give larger loans to small firms and those with "soft... View Details

Keywords: Geographic Location; Customers; Financing and Loans; Credit; Organizational Structure; Banks and Banking; Governance Compliance; Competitive Strategy

May 2018
Article

Nowcasting Gentrification: Using Yelp Data to Quantify Neighborhood Change

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca

Data from digital platforms have the potential to improve our understanding of gentrification and enable new measures of how neighborhoods change in close to real time. Combining data on businesses from Yelp with data on gentrification from the Census, Federal Housing... View Details

Keywords: Forecasting Models; Simulation Methods; Regional Economic Activity: Growth, Development, Environmental Issues, And Changes; Geographic Location; Local Range; Transition; Analytics and Data Science; Measurement and Metrics; Economic Growth; Forecasting and Prediction

October 2024
Article

Sampling Bias in Entrepreneurial Experiments

By: Ruiqing Cao, Rembrand Koning and Ramana Nanda

Using data from a prominent online platform for launching new digital products, we document that ‘sampling bias’—defined as the difference between a startup’s target customer base and the actual sample on which early ‘beta tests’ are conducted—has a systematic and... View Details

Keywords: Target Market; Sampling Biases; Beta Testing; Product Launch; Entrepreneurship; Gender

Working Paper

Rebates in the Pharmaceutical Industry: Evidence from Medicines Sold in Retail Pharmacies in the U.S.

By: Pragya Kakani, Michael Chernew and Amitabh Chandra

Rising list prices are often used to illustrate the burden of prescription drug spending, but payers routinely negotiate rebates from manufacturers that generate differences between list and net prices. List prices are easily available and affect patient cost-sharing,... View Details

Keywords: Pharmaceuticals; Rebates; Health Care and Treatment; Markets; Price; Analysis; Pharmaceutical Industry

22 Mar 2024
Blog Post

Driving Impact in Emerging Markets with HBS Alum Nneka Chime (MBA 2015)

take what I learned from one situation and apply it to another while bringing people together.” While at HBS, Nneka naturalized as a US citizen and considered staying in the... View Details

Forthcoming
Article

You've Got Mail! The Late 19th-Century U.S. Postal Service Expansion, Firm Creation, and Firm Performance

By: Astrid Marinoni and Maria P. Roche

This paper examines the impact of the expansion of the US Postal Service in the late 19th century on firm creation and performance. Utilizing newly digitized archival data on historic business establishments, post office locations, and road networks in California,... View Details

Keywords: Institutional Innovation; Knowledge Exchange; US Postal Service; Firm Performance; Infrastructure; Expansion; Government Administration; Communication; Business History; Entrepreneurship; Public Administration Industry; California

2023
Working Paper

Market Exclusivity and Innovation: Evidence From Antibiotics

By: Edward Kong and Olivia Zhao

The US incentivizes drug innovation via patents as well as market exclusivity periods awarded by the US Food and Drug Administration. We estimate the causal effects of extending market exclusivity for an important drug class: antibiotics. Using a... View Details

Keywords: Health Testing and Trials; Innovation and Invention; Motivation and Incentives; Government Administration; Government Legislation; Pharmaceutical Industry; United States

18 Jul 2023
Interview

Jeffrey Rayport on Product Market Fit, Profit Market Fit and Whiplash, and More

By: Jeffrey F. Rayport and Doug Levin

This episode of "Lessons from Startup Life" podcast features Jeffrey Rayport, Senior Lecturer of Business Administration at the Harvard Business School. Jeffrey specializes in teaching and researching growth-stage technology ventures and their scalability. Prior to... View Details

Keywords: Scaling And Growth; Start-up; Diversity; Equity; Inclusion; Technology; Business Startups; Product Marketing; Business Growth and Maturation

November 2016 (Revised May 2017)
Case

The Black List

By: Henry McGee and Sarah McAra

Franklin Leonard founded The Black List in 2005 as an innovative approach to identifying potential hit movie scripts via crowdsourcing. As the annual Black List proved to hold the scripts of some of Hollywood’s most successful films, from “Slumdog Millionaire” to... View Details

Keywords: Screenwriting; Independent Production; Hollywood; Film Development; Film Distribution; Film Financing; Manging Uncertainty; Barriers To Entry; Globalization; Digitalization; Film Entertainment; Entrepreneurship; Marketing; Media; Strategy; Motion Pictures and Video Industry; United States

Educators

24 Jun 2016
News

The art and science of the “cheese pull”: Why the cheesiest ad trick still makes us hungry

2020
Working Paper

Overcoming the Cold Start Problem of CRM Using a Probabilistic Machine Learning Approach

By: Eva Ascarza

The success of Customer Relationship Management (CRM) programs ultimately depends on the firm's ability to understand consumers' preferences and precisely capture how these preferences may differ across customers. Only by understanding customer heterogeneity, firms can... View Details

Keywords: Customer Management; Targeting; Deep Exponential Families; Probabilistic Machine Learning; Cold Start Problem; Customer Relationship Management; Customer Value and Value Chain; Consumer Behavior; Analytics and Data Science; Mathematical Methods; Retail Industry

June 1994 (Revised August 1994)
Case

Cunard Line Ltd.: Managing Integrated Marketing Communications

By: Stephen A. Greyser

Cunard, the world's oldest luxury line company, is confronted with several key issues involving its marketing and marketing communications strategy. One concerns the balance between image/positioning advertising and short-term-oriented promotional... View Details

Keywords: Advertising Campaigns; Marketing Communications; Marketing Strategy; Product Positioning; Consumer Behavior; Organizational Structure; Identity; Balance and Stability; Shipping Industry

Educators