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  • 2022
  • Article

Which Explanation Should I Choose? A Function Approximation Perspective to Characterizing Post hoc Explanations
By: Tessa Han, Suraj Srinivas and Himabindu Lakkaraju
A critical problem in the field of post hoc explainability is the lack of a common foundational goal among methods. For example, some methods are motivated by function approximation, some by game theoretic notions, and some by obtaining clean visualizations. This...  View Details
Keywords: Mathematical Methods; Decision Choices and Conditions; Analytics and Data Science
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  • September–October 2020
  • Article

Managing Churn to Maximize Profits
By: Aurelie Lemmens and Sunil Gupta
Customer defection threatens many industries, prompting companies to deploy targeted, proactive customer retention programs and offers. A conventional approach has been to target customers either based on their predicted churn probability or their responsiveness to a...  View Details
Keywords: Churn Management; Defection Prediction; Loss Function; Stochastic Gradient Boosting; Customer Relationship Management; Consumer Behavior; Profit
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  • Article

Oracle Efficient Private Non-Convex Optimization
By: Seth Neel, Aaron Leon Roth, Giuseppe Vietri and Zhiwei Steven Wu
One of the most effective algorithms for differentially private learning and optimization is objective perturbation. This technique augments a given optimization problem (e.g. deriving from an ERM problem) with a random linear term, and then exactly solves it....  View Details
Keywords: Machine Learning; Algorithms; Objective Perturbation; Mathematical Methods
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  • June 2020
  • Case

In-housing Digital Marketing at Sprint Corp.
By: David E. Bell, Rajiv Lal and Olivia Hull
In the fall of 2019, Sprint’s Chief Digital Officer Rob Roy reflected on the telecom’s efforts to improve the effectiveness of its digital marketing campaigns. Digital media buying had long been handled by an outside agency, but in 2017, Sprint brought those functions...  View Details
Keywords: Advertising; Digital Marketing; Transformation; Talent and Talent Management; Marketing Strategy; Social Marketing; Telecommunications Industry; Electronics Industry; Web Services Industry; United States
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  • 2014
  • Working Paper

Non-Adherence in Health Care: A Positive and Normative Analysis
By: Mark Egan and Tomas J. Philipson
Non-adherence in health care results when a patient does not initiate or continue care that a provider has recommended. Previous research identifies non-adherence as a major source of waste in US health care, totaling approximately 2.3% of GDP, and have proposed a...  View Details
Keywords: Health Care and Treatment; Behavior; Economics; Analysis; Mathematical Methods
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  • 2019
  • Working Paper

Managing Churn to Maximize Profits
By: Aurelie Lemmens and Sunil Gupta
Customer defection threatens many industries, prompting companies to deploy targeted, proactive customer retention programs and offers. A conventional approach has been to target customers either based on their predicted churn probability, or their responsiveness to a...  View Details
Keywords: Churn Management; Defection Prediction; Loss Function; Stochastic Gradient Boosting; Customer Relationship Management; Consumer Behavior; Profit
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  • March–April 2013
  • Article

Language Matters: Status Loss & Achieved Status Distinctions in Global Organizations
By: Tsedal Neeley
How workers experience and express status loss in organizations has received little scholarly attention. I conducted a qualitative study of a French high-tech company that had instituted English as a lingua franca, or common language, as a context for examining this...  View Details
Keywords: Organizations; Status and Position; Loss; Spoken Communication; Emotions; Attitudes; Behavior; Globalization
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  • November 2012
  • Article

Empirical Observations on Longer-term Use of Incentives for Weight Loss
By: Leslie K. John, George Loewenstein and Kevin Volpp
Behavioral economic-based interventions are emerging as powerful tools to help individuals accomplish their own goals, including weight loss. Deposit contract incentive systems give participants the opportunity to put their money down toward losing weight, which they...  View Details
Keywords: Weight Loss; Obesity; Behavioral Economics; Intervention; Behavior; Motivation and Incentives
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  • August 2011 (Revised April 2013)
  • Case

Language and Globalization: 'Englishnization' at Rakuten (A)
By: Tsedal Neeley
Hiroshi Mikitani, the CEO of Rakuten, (Japan's largest online retailer), is at the helm of an organization that is rapidly expanding into global markets. In a critical stride toward becoming the world's No. 1 Internet services company, Mikitani announces...  View Details
Keywords: Teaching; Human Capital; Change Management; Transformation; Social Enterprise; Communication Strategy; Internet and the Web; Disruptive Innovation; Organizational Change and Adaptation; Strategic Planning; Leadership; Global Strategy; Technology Industry; Retail Industry; Japan
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  • March–April 2023
  • Article

Pricing for Heterogeneous Products: Analytics for Ticket Reselling
By: Michael Alley, Max Biggs, Rim Hariss, Charles Herrmann, Michael Lingzhi Li and Georgia Perakis
Problem definition: We present a data-driven study of the secondary ticket market. In particular, we are primarily concerned with accurately estimating price sensitivity for listed tickets. In this setting, there are many issues including endogeneity, heterogeneity in...  View Details
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