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Publications

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  • Article

Incorporating Interpretable Output Constraints in Bayesian Neural Networks

By: Wanqian Yang, Lars Lorch, Moritz Graule, Himabindu Lakkaraju and Finale Doshi-Velez
Domains where supervised models are deployed often come with task-specific constraints, such as prior expert knowledge on the ground-truth function, or desiderata like safety and fairness. We introduce a novel probabilistic framework for reasoning with such constraints... View Details
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  • Article

Fast Generalized Subset Scan for Anomalous Pattern Detection

By: Edward McFowland III, Skyler Speakman and Daniel B. Neill
We propose Fast Generalized Subset Scan (FGSS), a new method for detecting anomalous patterns in general categorical data sets. We frame the pattern detection problem as a search over subsets of data records and attributes, maximizing a nonparametric scan statistic... View Details
Keywords: Pattern Detection; Anomaly Detection; Knowledge Discovery; Bayesian Networks; Scan Statistics; Analytics and Data Science
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  • 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
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    Zhongming Jiang

    Zhongming Jiang is a Ph.D. student in Marketing (Quantitative) at Harvard Business School. His methodological interests include Bayesian {nonparametrics, causal inference, deep learning}, and probabilistic machine learning. Substantively, he is interested... View Details

    • 2009
    • Case

    The Prediction Lover's Handbook

    By: Thomas H. Davenport and Jeanne G. Harris
    When picking assessment tools to inform better decisions about future paths, executives are faced with a wide variety of options--some of which are well established, while others are in early stages of development. The authors provide an insider's guide to prediction... View Details
    Keywords: Analytics; Analysis; Forecasting and Prediction
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    • 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
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      Jerry R. Green

      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
      • 25 Jan 2011
      • First Look

      First Look: Jan. 25

      products. We find that public choices in which participants display their preferences to others encourage feature-seeking behavior, but that the anticipation of having to use a product in front of others provides an incentive to avoid additional features.... View Details
      Keywords: Sean Silverthorne
      • 30 Aug 2016
      • First Look

      August 30, 2016

      variation generated by the experimental treatments, we model sales force performance to identify the effectiveness of various forms of conditional and unconditional compensation. We account for salesperson heterogeneity by using a hierarchical View Details
      Keywords: Carmen Nobel
      • 25 Feb 2014
      • First Look

      First Look: February 25

      Abstract—Researchers have long hypothesized that research outputs from government, university, and private company R&D contribute to economic growth, but these contributions may be difficult to measure when they take a non-pecuniary form. The growth of View Details
      Keywords: Sean Silverthorne
      • 11 Dec 2007
      • First Look

      First Look: December 11, 2007

      deep historical origins of 'born global' companies; the importance of networks and diaspora in new international market development; the key role of public policy in shaping cross-border entrepreneurial activity; and the impact of... View Details
      Keywords: Martha Lagace
      • 28 Aug 2007
      • First Look

      First Look: August 28, 2007

      outdated. Instead, innovations are increasingly brought to the market by networks of firms, selected for their unique capabilities, and operating in a coordinated manner. This new model demands that firms develop different skills, in... View Details
      Keywords: Martha Lagace
      • 26 Feb 2008
      • First Look

      First Look: February 26, 2008

      perceived to be a hotbed for fraud. I estimate that a leading affiliate network could have invoked an optimal payment delay to eliminate 71% of fraud without decreasing profit. Download the paper:... View Details
      Keywords: Martha Lagace