Publications

Research Summary

Overview

Professor Ngwe develops structural models of supply and demand to probe deeply into the dynamics of shoppers and retailers, especially unobservable aspects of purchase behavior. He focuses on the adoption of outlet stores in the fashion industry, using transactional... View Details

Keywords: Outlet Stores; Price Discrimination; Retail; Discounts; Location; Industrial Organization; Structural Modeling; Retail Industry; Retail Industry

May 2016
Case

The Inexorable Rise of Walmart? 1988—2016

By: John R. Wells and Gabriel Ellsworth

In October 2015, Walmart surprised investors by announcing that it expected flat sales growth for 2015 and growth of only 3% to 4% over the coming three years. Profits would also fall due to significant investments in people and technology. The company’s stock price... View Details

Keywords: Asda; Costco; David Glass; Convenience Stores; Discount Retailing; Dollar Stores; Doug McMillon; E-commerce; Online Retail; General Merchandise; Grocery; Lee Scott; Mike Duke; Multichannel Retailing; Omnichannel; Neighborhood Market; Sam Walton; Sam's Club; Store Formats; Supercenter; Supermarket; Warehouse Clubs; Merchandising; Walmart; Wal-Mart; Globalized Firms and Management; Competitive Strategy; Corporate Strategy; Growth and Development Strategy; Business Units; Business Divisions; Business Growth and Maturation; Business Model; Business Organization; For-Profit Firms; Film Entertainment; Television Entertainment; Banks and Banking; Price; Profit; Revenue; Food; Global Range; Cross-Cultural and Cross-Border Issues; Global Strategy; Business History; Compensation and Benefits; Employees; Human Capital; Labor Unions; Wages; Business or Company Management; Goals and Objectives; Management Succession; Brands and Branding; Product Positioning; Distribution; Supply Chain; Supply Chain Management; Public Ownership; Problems and Challenges; Labor and Management Relations; Strategy; Adaptation; Business Strategy; Competition; Competitive Advantage; Diversification; Expansion; Segmentation; Information Technology; Internet; Mobile Technology; Online Technology; Web; Web Sites; Retail Industry; Retail Industry; Retail Industry; Retail Industry; United States; Arkansas; Bentonville

March 2019
Case

HOPI: Turkey's Shopping Companion

By: Sunil Gupta, Donald Ngwe and Gamze Yucaoglu

The case opens in 2017 as Onur Erbay, CEO of HOPI, a multi-vendor loyalty platform, is contemplating a critical decision. The case chronicles the origins of Boyner Group, the parent company of HOPI and a major retailer in Turkey, and development of retail and customer... View Details

Keywords: Loyalty Programs; Multi-vendor Platform; Retail; Big Data; Customer Relationship Management; Mobile and Wireless Technology; Business Model; Analytics and Data Science; Competitive Strategy; Decision Making; Applications and Software; Digital Platforms; Retail Industry; Retail Industry; Turkey

October 2012 (Revised April 2014)
Case

Troubles at Tesco, 2012

By: John R. Wells and Galen Danskin

It was October 3rd, 2012, and all was not well at Tesco, the UK's largest supermarket chain with revenues of £64.5 billion ($104 billion). CEO Philip Clarke unveiled the first half-year profit drop in almost 20 years and, in the UK, the majors Asda and Sainsbury were... View Details

Keywords: Retailing; United Kingdom; Strategic Planning; Strategy; Retail Industry; United Kingdom

December 2019
Article

The Impact of Increasing Search Frictions on Online Shopping Behavior: Evidence from a Field Experiment

By: Donald Ngwe, Kris J. Ferreira and Thales Teixeira

Many online stores are designed such that shoppers can easily access any available discounted products. We propose that deliberately increasing search frictions by placing small obstacles to locating discounted items can improve online retailers’ margins and even... View Details

Keywords: Online Retailing; Friction; Effor; Search Costs; Price Discrimination; Marketing; Consumer Behavior; Strategy; Price; E-commerce; Retail Industry; Retail Industry

Find at Harvard

2019
Working Paper

The Impact of Increasing Search Frictions on Online Shopping Behavior: Evidence from a Field Experiment

By: Donald Ngwe, Kris J. Ferreira and Thales Teixeira

Many online stores are designed such that shoppers can easily access any available discounted products. We propose that deliberately increasing search frictions by placing small obstacles to locating discounted items can improve online retailers’ margins and even... View Details

Keywords: E-commerce; Online Retailing; Friction; Effor; Search Costs; Price Discrimination; Consumer Behavior; Price; Search Technology

Read Now

December 1992
Supplement

Wal-Mart Ventures into Mexico

By: David B. Yoffie and Jonathan Ginns

Introduces Wal-Mart's initial plans to enter the Mexican retail market. Designed for use with Wal-Mart Stores' Discount Operations. View Details

Keywords: Growth and Development Strategy; Globalization; Retail Industry; United States; Mexico

December 2021 (Revised February 2022)
Case

Bed Bath & Beyond: The New Strategy to Drive Shareholder Value

By: Benjamin C. Esty and Daniel W. Fisher

At one time, Bed Bath & Beyond was one of the most successful specialty retailers in the United States—its growth and profit margins far exceeded both peer retailers in the home goods market as well as many other discount retailers. But in 2014, its stock price peaked,... View Details

Keywords: Competitive Strategy; Competitive Advantage; Value Creation; Diversification; Corporate Governance; Leading Change; Performance Evaluation; Valuation; Investment Activism; Retail Industry; Retail Industry; United States

September 2010
Case

New Heritage Doll Company

By: Timothy A. Luehrman and Heide Abelli

A manufacturer and retailer of specialty doll products must decide which of two projects to fund. The decision requires the student to compute cash flows for the 2 projects, discount values to the present and compare and contrast different project performance measures. View Details

Keywords: Forecasting; Resource Management; Resource Allocation; Forecasting and Prediction; Capital Budgeting; Retail Industry; Retail Industry; Retail Industry

2010
Case

New Heritage Doll Company: Capital Budgeting: Brief Case No. 4212.

By: Timothy A. Luehrman and Heide Diener Abelli

A manufacturer and retailer of specialty doll products must decide which of two projects to fund. The decision requires the student to compute cash flows for the 2 projects, discount values to the present and compare and contrast different project performance measures. View Details

Keywords: Capital Budgeting; Projects; Decision Making; Cash Flow; Performance Evaluation; Production

February 2003 (Revised December 2006)
Case

Toys "R" Us (A)

By: Michael G. Rukstad, Dennis A. Yao and Cate Reavis

In 1992, Toys "R" Us, the pioneer of the "category killer" retail format, faced significant competitive threats from mass discounters and warehouse clubs and was losing market share. This case explores the dynamic sustainability of Toys "R" Us's retailing model, its... View Details

Keywords: Risk Management; Competition; Supply and Industry; Power and Influence; Retail Industry; United States

April 2019
Case

Walmart Update, 2019

By: David B. Yoffie and Daniel Fisher

In 2019 Walmart was still the world's largest company, with over $500 billion in annual revenue and operations around the world. Although it had mostly vanquished its rival discount retailers in the U.S., it was struggling to find the right growth strategy. Facing a... View Details

Keywords: E-Commerce Strategy; Strategy; Competitive Strategy; Business Growth and Maturation; Growth and Development Strategy; Global Range; Business Strategy; Corporate Strategy; E-commerce; Retail Industry

10 Jan 2011
Research & Ideas

Is Groupon Good for Retailers?

Explain the theoretical model you describe in your paper and how it can help retailers decide whether a voucher service like Groupon makes sense for them. A: We present a model of online discount vouchers... View Details

Keywords: by Carmen Nobel; Advertising; Technology

17 Dec 2019
Working Paper Summaries

Does Apple Anchor a Shopping Mall? The Effect of the Technology Stores on the Formation of Market Structure

Keywords: by Doug J. Chung, Kyoungwon Seo, and Reo Song; Retail; Retail

June 2009 (Revised January 2011)
Case

Target Corporation: Ackman versus the Board

By: Krishna G. Palepu, Suraj Srinivasan and James Weber

After 15 years of great performance, Target's faltering performance during an economic downturn led an activist shareholder to initiate a proxy fight. Target Corporation, the second largest discount store retailer in the U.S., had competed successfully against industry... View Details

Keywords: Financial Crisis; Investment Activism; Governing and Advisory Boards; Business and Shareholder Relations; Business Strategy; Value; Retail Industry