Generalized Linear Model - Publications - Faculty & Research - Harvard Business School

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Article

An Exploration of Optimal Stabilization Policy

By: N. Gregory Mankiw and Matthew C. Weinzierl

This paper examines the optimal response of monetary and fiscal policy to a decline in aggregate demand. The theoretical framework is a two-period general equilibrium model in which prices are sticky in the short-run and flexible in the long-run. Policy is evaluated by... View Details

Keywords: Fiscal Policy; Monetary Policy; Economic Models; Aggregate Demand; Demand and Consumers; Money; Mathematical Methods; Taxation; Spending; Policy; Welfare; Household; Economic Slowdown and Stagnation

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November 2020 (Revised September 2021)
Case

HP Instant Ink: (Self) Disrupting the Consumer Printing Market

By: Elie Ofek, Marco Bertini, Oded Koenigsberg and George Gonzalez

Seeking to disrupt the consumer printing market (before being disrupted by others), and in response to customer pain points, in 2013 HP Inc. launched an ink replenishment service called Instant Ink, where customers pay a monthly subscription fee based on the number of... View Details

Keywords: Printing; Ink; Subscription Model; Customers; Information Infrastructure; Service Delivery; Business Model; Disruption; Growth and Development Strategy

2008
Working Paper

The Ontological Foundations of Leadership and Performance: Being a Leader, and the Effective Exercise of Leadership, A New Model

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

This paper is the (pre-course) introduction document to an experimental course developed by the authors and taught at the U. of Rochester Simon School of Business. The intention of the course is to leave the participants actually being leaders and being able to... View Details

Keywords: Transformation; Business Education; Knowledge; Leadership Development; Leadership Style; Performance Effectiveness; Attitudes; Behavior; Perspective

Fall 2011
Article

Exclusivity and Control

By: Andrei Hagiu and Robin S. Lee

We analyze platform competition for content in the presence of strategic interactions between content distributors and content providers. We provide a model of bargaining and price competition within these industries and show that whether or not a piece of content ends... View Details

Keywords: General Strategy; Entertainment And Leisure; Software; Quality; Competition; Price; Sales; Expansion; Digital Platforms; Revenue; Negotiation

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Article

Aztec Castles and the dP3 Quiver

By: Megan Leoni, Gregg Musiker, Seth Neel and Paxton Turner

Bipartite, periodic, planar graphs known as brane tilings can be associated to a large class of quivers. This paper will explore new algebraic properties of the well-studied del Pezzo 3 (dP3) quiver and geometric properties of its corresponding brane tiling. In... View Details

Keywords: Brane Tiling; Del Pezzo 3 Lattice; Dimer Model; Mathematical Methods

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October 2021 (Revised September 2022)
Case

GoPro: Becoming a Subscription Hero

By: Elie Ofek, Marco Bertini and Nicole Tempest Keller

In 2021, Nick Woodman, founder and CEO of GoPro, was reviewing the company’s subscription offering, considering whether to extend it beyond benefits that were directly related to the company’s iconic camera. Founded in 2002, GoPro had gained renown for its innovative... View Details

Keywords: Subscription Model; Pricing; Lifestyle Brands; Value Proposition; Business Model; Growth and Development Strategy; Marketing Strategy; Consumer Products Industry; California

April 2023 (Revised September 2023)
Case

Apple's iPhone Revolution: Pioneering the Circular Economy

By: George Serafeim

When asked to identify an example of a circular economy business model that has generated billions in revenues for a company, ChatGPT, the famous chatbot that in 2022 rocked the world with its ability to perform a variety of tasks, immediately identified and... View Details

Keywords: Iphone; Smartphone; Waste Management; Recycling; Innovation; Product Upgrade; Product Life Cycle; Sustainability; Climate Impact; Digital; Business Model Innovation; Climate Change; Information Technology; Business Model; Electronics Industry; Information Technology Industry

July–August 2020
Article

Price Bargaining and Competition in Online Platforms: An Empirical Analysis of the Daily Deal Market

By: Lingling Zhang and Doug J. Chung

The prevalence of online platforms opens new doors to traditional businesses for customer reach and revenue growth. This research investigates platform choice in a setting where prices are determined by negotiations between platforms and businesses. We compile a unique... View Details

Keywords: Business-to-business Marketing; Platform Competition; Two-Sided Markets; Price Bargaining; Daily Deals; Structural Model; Digital Platforms; Competition; Price; Negotiation

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January 2025
Case

Real Madrid Club de Fútbol

By: Anita Elberse, Juan Pasquín and Íñigo Pasquín

On June 1, 2024, Spanish soccer club Real Madrid captures its fifteenth Champions League title—more than double the tally of the nearest competitor. Under Florentino Pérez’s leadership, the club has now won six of the last eleven UEFA Champions League titles, and has... View Details

Keywords: Soccer; Football; Entertainment; Media; Talent Management; Superstars; General Management; Sports; Marketing; Recruitment; Competitive Strategy; Growth and Development Strategy; Sports Industry; Entertainment and Recreation Industry; Media and Broadcasting Industry

October 2023
Article

Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA

By: Matthew S. Johnson, David I. Levine and Michael W. Toffel

We study how a regulator can best target inspections. Our case study is a U.S. Occupational Safety and Health Administration (OSHA) program that randomly allocated some inspections. On average, each inspection averted 2.4 serious injuries (9%) over the next five years.... View Details

Keywords: Safety Regulations; Regulations; Regulatory Enforcement; Machine Learning Models; Safety; Operations; Service Operations; Production; Forecasting and Prediction; Decisions; United States

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July–August 2015
Article

The Secret of Singapore: Why Cuba Should Look to Lee Kuan Yew's Thriving City-State for Economic Inspiration

By: Debora L. Spar

Between 1965 and 1991, Singapore grew at an astonishing compound annual growth rate of nearly 14%. Critics of the island's performance accused its celebrated leader, Lee Kuan Yew, of thinly veiled tendencies toward communism and authoritarianism; they argued that the... View Details

Keywords: Economic Models; Communism; Economic Policy; Economic Reform; Angel Investors; Authoritarianism; Economic Systems; Economy; Policy; Government and Politics; Singapore; Cuba

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2023
Article

Experimental Evaluation of Individualized Treatment Rules

By: Kosuke Imai and Michael Lingzhi Li

The increasing availability of individual-level data has led to numerous applications of individualized (or personalized) treatment rules (ITRs). Policy makers often wish to empirically evaluate ITRs and compare their relative performance before implementing them in a... View Details

Keywords: Causal Inference; Heterogeneous Treatment Effects; Precision Medicine; Uplift Modeling; Analytics and Data Science; AI and Machine Learning

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2021
Article

Fair Algorithms for Infinite and Contextual Bandits

By: Matthew Joseph, Michael J Kearns, Jamie Morgenstern, Seth Neel and Aaron Leon Roth

We study fairness in linear bandit problems. Starting from the notion of meritocratic fairness introduced in Joseph et al. [2016], we carry out a more refined analysis of a more general problem, achieving better performance guarantees with fewer modelling assumptions... View Details

Keywords: Algorithms; Bandit Problems; Fairness; Mathematical Methods

Article

Multi-Echelon Inventory Management Under Short-Term Take-or-Pay Contracts

By: Joel Goh and Evan L. Porteus

We extend the Clark–Scarf serial multi-echelon inventory model to include procuring production inputs under short-term take-or-pay contracts at one or more stages. In each period, each such stage has the option to order/process at two different cost rates; the cheaper... View Details

Keywords: Inventory Management; Multi-echelon Inventory Theory; Karush Lemma; Clark-Scarf Model; Convex Ordering Cost; Advance Commitments; Supply Chain

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February 2019 (Revised May 2021)
Case

Electric Car Wars, 2018

By: John R. Wells and Benjamin Weinstock

Electric cars had long been championed by environmentalists as a superior solution to the internal combustion engine (ICE), but, despite large government incentives and strong pioneering efforts by a few automakers over the years, electric and hybrid cars and light... View Details

January 2017 (Revised October 2023)
Case

Classtivity: Payal's Pirouette

By: Jeffrey J. Bussgang and Olivia Hull

A few months after launching a new fitness technology product, the small staff of New York startup Classtivity gathers on a Saturday in April 2013 to take stock. With one successful pivot under its belt, Classtivity is finally generating revenue and enthusiasm among... View Details

Research Summary

Statistical Methodology

William Simpson is developing methods of inference to use when assumptions of standard models are not met. He has created a hypothesis test to use for ipsative variables that adjusts for the non-zero correlations among variables expected under the null hypothesis. ... View Details

01 Dec 2020
News

New News

exciting. Michael Aft: We exist because traditional media is struggling. There are perverse incentives tied to the ad-revenue model that have made it challenging to consume high-quality content, and that’s true for everything from View Details

Keywords: entrepreneuship; digital media; startups; news; business models; young alumni; News, Library, Internet, and Other Services; Information

November 2024
Article

On the Representativeness of Voter Turnout

By: Louis Kaplow and Scott Duke Kominers

Prominent theory research on voting analyzes a variety of models in which expected pivotality drives voters' turnout decisions and hence determines voting outcomes. It is recognized, however, that such work is at odds with Downs's paradox: in practice, many... View Details

Keywords: Voting Behavior; Voting Turnout; Paradox Of Voting; Pivotality; Elections; Model; Theory; Governance Transparency; Government; Democracy; Turnout; Voting; Governance; Government and Politics; Public Sector; Political Elections

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Article

Distributionally Robust Optimization and Its Tractable Approximations

By: Joel Goh and Melvyn Sim

In this paper we focus on a linear optimization problem with uncertainties, having expectations in the objective and in the set of constraints. We present a modular framework to obtain an approximate solution to the problem that is distributionally robust and more... View Details

Keywords: Information Technology; Mathematical Methods; Operations

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