Quality And Safety - Publications - Faculty & Research

Forthcoming
Article

Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile

By: Shunyuan Zhang, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar and Xupin Zhang

Non-informational cues, such as facial expressions, can significantly influence judgments and interpersonal impressions. While past research has explored how smiling affects business outcomes in offline or in-store contexts, relatively less is known about how smiling... View Details

Keywords: Sharing Economy; Airbnb; Image Feature Extraction; Machine Learning; Facial Expressions; Prejudice and Bias; Nonverbal Communication; E-commerce; Consumer Behavior; Perception

Citation

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Forthcoming
Article

Slowly Varying Regression Under Sparsity

By: Dimitris Bertsimas, Vassilis Digalakis Jr, Michael Lingzhi Li and Omar Skali Lami

We consider the problem of parameter estimation in slowly varying regression models with sparsity constraints. We formulate the problem as a mixed integer optimization problem and demonstrate that it can be reformulated exactly as a binary convex optimization problem... View Details

Keywords: Mathematical Methods; Analytics and Data Science

Teaching Interest

Social Innovation Field Projects

By: John Jong-Hyun Kim

The class will serve as the central clearing house for all independent projects relating to enterprises that are creating social value, with projects ranging from nonprofits to purpose driven for-profit businesses. This course provides students an opportunity to use... View Details

Keywords: Social Entrepreneurship; Social Innovation; Social Enterprise

Teaching Interest

Transforming Customer Experiences - Executive Education

By: Ryan W. Buell

In today's fast-growing service sector, a new set of frameworks are required to build a robust and competitive service business. Transforming Customer Experiences draws upon the latest research and insights to equip senior managers with a new toolkit for leading... View Details

Keywords: Service Delivery; Customer Satisfaction; Customer Loyalty; Quality; Employees; Service Models; Service Industry

Research Summary

Wall Street Research

By: Paul M. Healy

Wall Street research helps to support a well-functioning capital market by providing investors with information about investment opportunities, and corporate issuers with liquidity for their stocks. Yet surprisingly little is known about how Wall Street research... View Details

Keywords: Sell-side Analysts; Brokerage; Investment Banking; Buy-side Analysts; Compensation; Financial Services Industry