Modeling - Publications - Faculty & Research

November 2015
Exercise

GenapSys Exercise - Introduction to Free Cash Flow Curves

By: Shikhar Ghosh, Joseph B. Fuller and Christopher Payton

Exercise to accompany "GenapSys: Business Models for the Genome" View Details

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22 Sep 2016
Video

How to Choose a Default

By: John Beshears, Richard T. Mason and Shlomo Benartzi

We have developed a model for setting a default when a population is choosing among ordered choices—that is, ones listed in ascending or descending order. A company, for instance, might want to set a default contribution rate that will increase employees’ average... View Details

Keywords: Nudge; Choice Architecture; Behavioral Economics; Behavioral Science; Default; Savings; Decision Choices and Conditions; Behavior; Motivation and Incentives

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February 2010 (Revised January 2014)
Supplement

CommonAngels (B)

By: Lynda M. Applegate and Kaitlyn Simpson

This case discusses changes in CommonAngels' investment model and organization between 2005 and 2009. View Details

Keywords: Business Model; Entrepreneurship; Venture Capital; Investment; Organizational Structure; Social and Collaborative Networks; Financial Services Industry

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December 2022 (Revised August 2023)
Case

Circles.Life at a Crossroads of Growth

By: Juan Alcácer and Adina Wong

In June 2022, the founders of Singapore mobile operator Circles.Life had a crucial decision to make. Circles.Life developed a new business model in mobile telecommunications—a digital telco—built around its proprietary operating system. After expanding its brand in... View Details

Keywords: Business Model; Decisions; Technological Innovation; Applications and Software; Business Strategy; Telecommunications Industry; Singapore

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2022
Working Paper

The Fed and the Secular Decline in Interest Rates

By: Sebastian Hillenbrand

In this paper I document a striking fact: a narrow window around Fed meetings fully captures the secular decline in U.S. Treasury yields since 1980. By contrast, yield movements outside this window are transitory and wash out over time. This is surprising because the... View Details

Keywords: United States Treasury; Monetary Policy; Yield Curve; Central Banking; Interest Rates; Valuation

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March 2001 (Revised August 2003)
Case

Wilkerson Company

By: Robert S. Kaplan

The president of Wilkerson, faced with declining profits, is struggling to understand why the company is encountering severe price competition on one product line while able to raise prices without competitive response on another product line. The controller proposes... View Details

Keywords: Activity Based Costing and Management; Competition; Profit; Product; Consumer Products Industry

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Article

Adaptive Machine Unlearning

By: Varun Gupta, Christopher Jung, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi and Chris Waites

Data deletion algorithms aim to remove the influence of deleted data points from trained models at a cheaper computational cost than fully retraining those models. However, for sequences of deletions, most prior work in the non-convex setting gives valid guarantees... View Details

Keywords: Machine Learning; AI and Machine Learning

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September 2019 (Revised November 2019)
Case

Pinduoduo

By: Feng Zhu, Krishna G. Palepu, Bonnie Yining Cao and Dawn H. Lau

Founded in 2015 by serial entrepreneur, Colin Huang, Pinduoduo Inc. (PDD) had become China’s fastest-growing e-commerce platform in history. PDD pioneered a new approach to online shopping that allowed shoppers to share products, invite friends to form shopping teams,... View Details

Keywords: Digital Platforms; Business Model; Innovation and Invention; Competitive Advantage; Expansion; Strategy; E-commerce

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October 2019 (Revised January 2020)
Case

Fixing Facebook: Fake News, Privacy, and Platform Governance

By: David Yoffie and Daniel Fisher

Mark Zuckerberg founded Facebook based on the idea that connecting people was a fundamentally good thing—and a way to turn a handsome profit. But from the beginning, Facebook received criticism both for how it handled user privacy and how it curated user-generated... View Details

Keywords: Platform; Governance; Privacy; Internet and the Web; Corporate Governance; Ethics; Business and Government Relations; Strategy; Digital Platforms; Web Services Industry

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October 2010 (Revised July 2011)
Case

PrimedicProviding Primary Care in Mexico

By: Richard G. Hamermesh, Regina Garcia-Cuellar and Lauren Sarah Margulies

Primedic is a Mexican start-up that aims to deliver affordable primary and preventative healthcare to those at the base of the economic pyramid. The company is about to exhaust its first round of venture capital funding and the business model has yet to gain traction.... View Details

Keywords: Business Model; Business Startups; Developing Countries and Economies; Social Entrepreneurship; Venture Capital; Health Care and Treatment; Social Enterprise; Health Industry; Mexico

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Article

On the Correspondence of Contracts to Salaries in (Many-to-Many) Matching

By: Scott Duke Kominers

In this note, I extend the work of Echenique (2012) to show that a model of many-to-many matching with contracts may be embedded into a model of many-to-many matching with wage bargaining whenever (1) all agentsʼ preferences are substitutable and (2) the matching with... View Details

Keywords: Many-to-Many Matching; Stability; Substitutes; Contract Design; Unitarity; Market Design; Contracts; Marketplace Matching; Balance and Stability; Economics

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October 2017 (Revised September 2018)
Supplement

Jumia Nigeria: from Retail to Marketplace (B)

By: Ramon Casadesus-Masanell and Namrata Arora

This follow up case study explores the ramifications of Jumia's decision to move from a retail-led to a markplace business model for its e-commerce platform. The case visits the company's successes as well as its many failures when adopting this vendor-led strategy. ... View Details

Keywords: Retail; Marketplace; Inventory; Funding; Business Ecosystems; Business Ecosystem; Competition; Business Model; Globalization; Emerging Markets; Expansion; Logistics; Retail Industry; India; Nigeria; Africa

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March 2014 (Revised October 2015)
Case

Teach For China and the Chinese Nonprofit Sector

By: William C. Kirby and Erica M. Zendell

Teach For China was founded in 2008 with the mission of expanding educational opportunity across China. By 2013, Andrea Pasinetti's lofty dream had taken flight: over 300 graduates from top American and Chinese universities were participating in its 2-year teaching... View Details

Keywords: Nonprofit; China; Business And Government Relations; Business And Poverty; Business And Society; Emerging Market Entrepreneurship; Emerging Market; NGO; Education; Entrepreneurship; Social Enterprise; Emerging Markets; Non-Governmental Organizations; Nonprofit Organizations; Education Industry; China

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June 2017
Case

Obesity Management at Kaiser Permanente: A New Mindset for Healthcare Delivery?

By: Kevin Schulman, Gregory Leya and Christina Beveridge

Kaiser Permanente (KP) is the largest managed care organization in the United States with over 10 million members. KP evolved from a prepayment or capitation model that focuses the organization around the efficiency of care and the health of the population it serves.... View Details

Keywords: Operations; Health Care and Treatment; Business Model; Strategy; Health Industry; United States

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August 2018 (Revised February 2023)
Case

Hubble Contact Lenses: Data Driven Direct-to-Consumer Marketing

By: Jill Avery and Ayelet Israeli

As its Series A extension round approaches, the founders of Hubble, a subscription-based, social-media fueled, direct-to-consumer (DTC) brand of contact lenses, are reflecting on the marketing strategies that have taken them to a valuation of $200 million and debating... View Details

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February 2011 (Revised September 2013)
Case

Sarvajal: Water for All

By: John D. Macomber and Mona Sinha

Entrepreneur wrestles with business model using SMS and RFID technology, franchising, and leasing to rapidly grow off-the-grid water purification business without subsidies. The company seeks to provide potable water services to rural and urban India where the public... View Details

Keywords: Business Subsidiaries; Business Model; Communication Technology; Private Sector; Social Entrepreneurship; Cost Management; Rural Scope; Emerging Markets; Infrastructure; Problems and Challenges; Information Infrastructure; India

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January 2015
Case

The Blonde Salad

By: Anat Keinan, Kristina Maslauskaite, Sandrine Crener and Vincent Dessain

In 2014, Chiara Ferragni, a globe-trotting founder of the world's most popular fashion blog The Blonde Salad, and Riccardo Pozzoli, her co-founder and business partner, had to decide how to best monetize her blog as well as her shoe line called the "Chiara Ferragni... View Details

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January 1996
Background Note

Creativity and Innovation in Organizations

By: Teresa M. Amabile

Creativity, the production of new and useful ideas by individuals or teams, can appear in many forms and many functions within firms of all kinds--from entrepreneurial start-ups to well-established enterprises. This note describes the varieties of creativity in... View Details

Keywords: Change Management; Entrepreneurship; Collaborative Innovation and Invention; Management Analysis, Tools, and Techniques; Organizational Design; Situation or Environment; Creativity

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