Publications

March 2020
Article

Diagnosing Missing Always at Random in Multivariate Data

By: Iavor I. Bojinov, Natesh S. Pillai and Donald B. Rubin

Models for analyzing multivariate data sets with missing values require strong, often assessable, assumptions. The most common of these is that the mechanism that created the missing data is ignorable—a twofold assumption dependent on the mode of inference. The first... View Details

Keywords: Missing Data; Diagnostic Tools; Sensitivity Analysis; Hypothesis Testing; Missing At Random; Row Exchangeability; Analytics and Data Science; Mathematical Methods

winter 2003
Article

Massively Categorical Variables: Revealing the Information in Zip Codes

We introduce the idea of a massively categorical variable, a variable such as zip code that takes on too many values to be treated in the standard manner, and show how to use it directly as explanatory variables in an econometric model. In an application of this... View Details

Keywords: Strategy; Analytics and Data Science; Behavior; Marketing; Standards; Finance

Article

Why, When, and How Much to Entertain Consumers in Advertisements?: A Web-based Facial Tracking Field Study

By: Thales Teixeira, Rosalind Picard and Rana el Kaliouby

The presence of positive entertainment (e.g., visual imagery, upbeat music, humor) in TV advertisements can make them more attractive and persuasive. However, little is known about the downsides of using too much entertainment. This research focuses on why, when, and... View Details

Keywords: Face-tracking; Entertainment; Television; Purchase Intent; Commercials; Facial Expressions; Marketing Communication; Advertising; Television Entertainment; Marketing; Advertising Industry

May 2022
Article

When Harry Fired Sally: The Double Standard in Punishing Misconduct

By: Mark Egan, Gregor Matvos and Amit Seru

We examine gender differences in misconduct punishment in the financial advisory industry. We find evidence of a “gender punishment gap”: following an incident of misconduct, female advisers are 20% more likely to lose their jobs and 30% less likely to find new jobs... View Details

Keywords: Financial Advisers; Brokers; Gender Discrimination; Consumer Finance; Financial Misconduct And Fraud; FINRA; Financial Institutions; Employees; Crime and Corruption; Gender; Prejudice and Bias; Personal Finance; Financial Services Industry

August 2017
Article

Incentives versus Reciprocity: Insights from a Field Experiment

By: Doug J. Chung and Das Narayandas

We conduct a field experiment in which we vary the sales force compensation scheme at an Asian enterprise that sells consumer durable goods. With variation generated by the experimental treatments, we model sales force performance to identify the effectiveness of... View Details

Keywords: Sales Force Compensation; Field Experiment; Heterogeneity; Loss Aversion; Reciprocity; Salesforce Management; Compensation and Benefits

We conduct a field experiment in which we vary the sales force compensation scheme at an Asian enterprise that sells consumer durable goods. With variation generated by the experimental treatments, we model sales force performance to identify the effectiveness of... View Details

2015
Working Paper

Incentives versus Reciprocity: Insights from a Field Experiment

By: Doug J. Chung and Das Narayandas

We conduct a field experiment in which we vary the sales force compensation scheme at an Asian enterprise that sells consumer durable goods. With variation generated by the experimental treatments, we model sales force performance to identify the effectiveness of... View Details

Keywords: Sales Force Compensation; Field Experiment; Heterogeneity; Loss Aversion; Reciprocity; Motivation and Incentives; Salesforce Management; Compensation and Benefits

2023
Article

Balancing Risk and Reward: An Automated Phased Release Strategy

By: Yufan Li, Jialiang Mao and Iavor Bojinov

Phased releases are a common strategy in the technology industry for gradually releasing new products or updates through a sequence of A/B tests in which the number of treated units gradually grows until full deployment or deprecation. Performing phased releases in a... View Details

Keywords: Product Launch; Mathematical Methods; Product Development

Routines shape many aspects of day-to-day consumption. While prior work has established the importance of habits in consumer behavior, little work has been done to understand the implications of routines--which we define as repeated behaviors with recurring, temporal... View Details

April 2024
Article

Detecting Routines: Applications to Ridesharing CRM

By: Ryan Dew, Eva Ascarza, Oded Netzer and Nachum Sicherman

Routines shape many aspects of day-to-day consumption. While prior work has established the importance of habits in consumer behavior, little work has been done to understand the implications of routines—which we define as repeated behaviors with recurring, temporal... View Details

Keywords: Ride-sharing; Routine; Machine Learning; Customer Relationship Management; Consumer Behavior; Segmentation

Purchase

Phased releases are a common strategy in the technology industry for gradually releasing new products or updates through a sequence of A/B tests in which the number of treated units gradually grows until full deployment or deprecation. Performing phased releases... View Details

September 1990
Article

Competition on Many Fronts: A Stackelberg Signaling Equilibrium

By: Jerry R. Green and Jean-Jacques Laffont

An economic agent, the incumbent, is operating in many environments at the same time. These may be locations, markets, or specific activities. He is informed of the particular conditions relevant to each situation. His action in each case is observable by another... View Details

2009
Working Paper

Do Friends Influence Purchases in a Social Network?

By: Raghuram Iyengar, Sangman Han and Sunil Gupta

Social networks, such as Facebook and Myspace have witnessed a rapid growth in their membership. Some of these businesses have tried an advertising-based model with very limited success. However, these businesses have not fully explored the power of their members to... View Details

Keywords: Marketing; Network Effects; Sales; Power and Influence; Social and Collaborative Networks; Web Sites; South Korea