Publications

2010
Working Paper

Creating Leaders: An Ontological Model

By: Werner Erhard, Michael C. Jensen and Kari L. Granger

The sole objective of our ontological approach to creating leaders is to leave students actually being leaders and exercising leadership effectively as their natural self-expression. By "natural self-expression" we mean a way of being and acting in any leadership... View Details

Keywords: Leadership Development; Goals and Objectives; Science; Attitudes; Perspective

Article

The Question of Collective Rationality in Professor Gale's Model of Trade Imbalance

By: Jerry R. Green

October 1994
Article

Issues in the Estimation and Application of Latent Structure Models of Choice

By: Ulf Bockenholt, Melinda S. de Borrero, Ham Bozdogan, Wayne DeSarbo, William R. Dillon, Sunil Gupta, Wagner Kamakura, Ajith Kumar, V. Ramaswamy and Michael Zenor

Keywords: Decision Choices and Conditions

Article

Modelling the Effect of Purchase Quantity on Consumer Choice of Product Assortment

By: Randolph E. Bucklin, Sunil Gupta and S. Siddarth

Keywords: Sales; Decision Choices and Conditions; Customers; Product

2020
Working Paper

A General Theory of Identification

By: Iavor Bojinov and Guillaume Basse

What does it mean to say that a quantity is identifiable from the data? Statisticians seem to agree on a definition in the context of parametric statistical models — roughly, a parameter θ in a model P = {Pθ : θ ∈ Θ} is identifiable if the mapping θ 7→ Pθ is injective.... View Details

Keywords: Identification; Econometric Models; Analytics and Data Science; Theory

2011
Working Paper

The Impact of Horizontal Mergers and Acquisitions in Price Competition Models

The question of what impact mergers and acquisitions have on key equilibrium performance measures is fundamental to our understanding of competitive dynamics in an oligopolistic industry. We address these questions in the context of price competition models with... View Details

Keywords: Mergers and Acquisitions; Cost; Price; Profit; Duopoly and Oligopoly; Performance Efficiency; Mathematical Methods; Competition

29 Aug 2013
Working Paper Summaries

X-CAPM: An Extrapolative Capital Asset Pricing Model

Keywords: by Nicholas Barberis, Robin Greenwood, Lawrence Jin & Andrei Shleifer

August 2019
Article

When and How to Diversify—A Multicategory Utility Model for Personalized Content Recommendation

By: Yicheng Song, Nachiketa Sahoo and Elie Ofek

Sometimes we desire change, a break from the same or an opportunity to fulfill different aspects of our needs. Noting that consumers seek variety, several approaches have been developed to diversify items recommended by personalized recommender systems. However,... View Details

Keywords: Recommender Systems; Personalization; Recommendation Diversity; Variety Seeking; Collaborative Filtering; Consumer Utility Models; Digital Media; Clickstream Analysis; Learning-to-rank; Consumer Behavior; Media; Customization and Personalization; Strategy; Mathematical Methods

Research Summary

A Model of Delegation in Contests (with Stefan Brandauer), 2004

We analyze a contest between two groups where group members have differing valuations for the contested rent. Generically the pivotal group member with the median valuation of the rent will not act himself but will want to send a group member that has preferences... View Details

TeachingInterests

MBA Elective Curriculum-- Competing Through Business Models

By: Ramon Casadesus-Masanell

The words “business model” are inescapable in our daily fare of business news. These two ubiquitous words seemed to effortlessly rise up to prominence during the dot-com boom of the late 1990s. When businesspeople, journalists, academics, and other... View Details

November 2015 (Revised April 2018)
Case

Flipkart (A): Transitioning to a Marketplace Model

By: Das Narayandas, Sunil Gupta and Rachna Tahilyani

In 2015, Sachin and Binny Bansal, co-founders of India’s largest e-commerce company, are wondering if it is time to move from a hybrid model to a full marketplace. While Amazon runs a hybrid model, Alibaba operates a marketplace. In addition, Flipkart has been losing... View Details

Keywords: Marketplaces; Online Retail; Digital Platforms; Internet and the Web; Business Model; Growth and Development Strategy; Emerging Markets; E-commerce; Retail Industry; India

Educators

Purchase

February 2009
Article

Suspended in Self-Spun Webs of Significance: A Rhetorical Model of Institutionalization and Institutionally Embedded Agency

By: Sandy Edward Green, Yuan Li and Nitin Nohria

This article employs rhetorical theory to reconceptualize institutionalization as change in argument structure. As a state, institutionalization is embodied in the structure of argument used to justify a practice at a given point in time. As a process,... View Details

Keywords: Debates; Management Practices and Processes; Trust; Adoption; Theory; United States