Publications

Educators

Purchase

2022
Working Paper

A Linear Panel Model with Heterogeneous Coefficients and Variation in Exposure

By: Jesse M. Shapiro and Liyang Sun

Linear panel models featuring unit and time fixed effects appear in many areas of empirical economics. An active literature studies the interpretation of the ordinary least squares estimator of the model, commonly called the two-way fixed effects (TWFE) estimator, in... View Details

Keywords: Econometric Models; Mathematical Methods

2023
Article

Post Hoc Explanations of Language Models Can Improve Language Models

By: Satyapriya Krishna, Jiaqi Ma, Dylan Slack, Asma Ghandeharioun, Sameer Singh and Himabindu Lakkaraju

Large Language Models (LLMs) have demonstrated remarkable capabilities in performing complex tasks. Moreover, recent research has shown that incorporating human-annotated rationales (e.g., Chain-of-Thought prompting) during in-context learning can significantly enhance... View Details

Keywords: AI and Machine Learning; Performance Effectiveness

1979
Book

Axiomatic Models of Bargaining

By: A. E. Roth

Keywords: Negotiation

2011
Working Paper

Business Model Innovation and Competitive Imitation: The Case of Sponsor-Based Business Models

By: Ramon Casadesus-Masanell and Feng Zhu

We study sponsor-based business model innovations where a firm monetizes its product through sponsors rather than setting prices to its customer base. We analyze strategic interactions between an innovative entrant and an incumbent where the incumbent may imitate the... View Details

Keywords: Business Model; Innovation and Invention; Market Entry and Exit; Competitive Strategy; Competitive Advantage; Value

Article

Reliable Post hoc Explanations: Modeling Uncertainty in Explainability

By: Dylan Slack, Sophie Hilgard, Sameer Singh and Himabindu Lakkaraju

As black box explanations are increasingly being employed to establish model credibility in high stakes settings, it is important to ensure that these explanations are accurate and reliable. However, prior work demonstrates that explanations generated by... View Details

Keywords: Black Box Explanations; Bayesian Modeling; Decision Making; Risk and Uncertainty; Information Technology

Research Summary

Models of optimal experience (flow)

Flow is a state of profound task-absorption, involvement, and intrinsic enjoyment that makes the person feel one with the activity. Csikszentmihalyi's Flow Theory states that flow is more likely to occur in situations in which the person feels that the activity is very... View Details

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

2008
Chapter

Models of Customer Value

By: Sunil Gupta and Donald R. Lehmann

Keywords: Customer Value and Value Chain

1985
Book

Game-Theoretic Models of Bargaining

By: A. E. Roth

Keywords: Game Theory

08 Sep 2016
Working Paper Summaries

A Model of Credit Market Sentiment

Keywords: by Robin Greenwood, Samuel G. Hanson, and Lawrence J. Jin; Financial Services

Research Summary

Deep Indicators of Business Model Success

By: James L. Heskett

The purpose of this study is to develop ways of helping practitioners identify and measure deep indicators of success in the business models being pursued by their organizations. The hypothesis is that success is dependent on these deep indicators. The indicators are... View Details

Research Summary

Understanding the Limitations of Model Explanations

By: Himabindu Lakkaraju

The goal of this research is to understand how adversaries can exploit various algorithms used for explaining complex machine learning models with an intention to mislead end users. For instance, can adversaries trick these algorithms into masking their racial and... View Details

2017
Working Paper

Knowledge Flows within Multinationals—Estimating Relative Influence of Headquarters and Host Context Using a Gravity Model

By: Prithwiraj Choudhury, Mike Horia Teodorescu and Tarun Khanna

From the perspective of a multinational subsidiary, we employ the classic gravity equation in economics to model and compare knowledge flows to the subsidiary from the MNC headquarters and from the host country context. We also generalize traditional economics gravity... View Details

Keywords: Multinationals; Knowledge Flows; Cosine Similarity; Gravity Model; Multinational Firms and Management; Knowledge Dissemination; Business Headquarters; Immigration

02 Oct 2019
Working Paper Summaries

The Value Potential of New Business Models

Keywords: by David J. Collis

January 2007
Exercise

Multifactor Models

By: Malcolm P. Baker

Students evaluate the performance of four mutual funds and compute the cost of capital for two companies using fixed benchmarks, the CAPM, and a multifactor model of returns. View Details

Keywords: Cost of Capital; Performance Evaluation; Business Model; Investment Funds; Investment Return; Motivation and Incentives; Markets

Purchase

June 2024
Module Note

Value Creation Potential of New Business Models

By: David J. Collis

A business model is composed of three elements. These describe a generic way of creating value and identify the maximum potential value of that model for customers. The elements of a business model are the “job to be done” for the customer, the asset configuration, or... View Details

Keywords: Business Model; Corporate Strategy; Mission and Purpose; Competitive Strategy; Value Creation

Purchase

April 2021
Article

A Model of Multi-Pass Search: Price Search Across Stores and Time

By: Navid Mojir and K. Sudhir

In retail settings with price promotions, consumers often search across stores and time. However, the search literature typically only models one pass search across stores, ignoring revisits to stores; the choice literature using scanner data has modeled search across... View Details

Keywords: Consumer Search; Multi-pass Search; Price Search; Store Search; Spatial Search; Temporal Search; Spatiotemporal Search; Dynamic Structural Models; MPEC; Price Promotions; Store Loyalty; Consumer Behavior; Price; Spending; Marketing; Mathematical Methods

SSRN

1980
Chapter

Implications of Political Models of Organizations

By: M. Tushman and D. Nadler

Keywords: Government and Politics; Organizations

2023
Article

Benchmarking Large Language Models on CMExam—A Comprehensive Chinese Medical Exam Dataset

By: Junling Liu, Peilin Zhou, Yining Hua, Dading Chong, Zhongyu Tian, Andrew Liu, Helin Wang, Chenyu You, Zhenhua Guo, Lei Zhu and Michael Lingzhi Li

Recent advancements in large language models (LLMs) have transformed the field of question answering (QA). However, evaluating LLMs in the medical field is challenging due to the lack of standardized and comprehensive datasets. To address this gap, we introduce CMExam,... View Details

Keywords: Large Language Model; AI and Machine Learning; Analytics and Data Science; Health Industry