Publications

March 2025
Supplement

Dynamic Pricing at Wendy's: Where's the Beef? Spreadsheet Supplement

By: Elie Ofek

February 2025
Teaching Note

Dynamic Pricing at Wendy's: Where’s the Beef?

By: Elie Ofek

Teaching Note for HBS Case 525-010. View Details

2025
Working Paper

Markups and Cost Pass-through Along the Supply Chain

By: Santiago Alvarez-Blaser, Alberto Cavallo, Alexander MacKay and Paolo Mengano

We study markups and pricing strategies along the supply chain. Our unique dataset combines detailed price and cost information from a large global manufacturer with matched retail prices collected online for the period July 2018 through June 2023. We show that total... View Details

Keywords: Markups; Pricing; Price; Supply Chain; Inflation and Deflation; Cost

SSRN

July 2024 (Revised January 2025)
Case

Dynamic Pricing at Wendy's: Where's the Beef?

By: Elie Ofek, Alicia Dadlani and Martha Hostetter

In early 2024, Wendy’s new CEO announced on an earnings call that the company would install digital menus in its US locations so it could begin testing dynamic pricing—changing prices up or down in response to shifts in supply and demand – as well as allow engaging in... View Details

Keywords: Dynamic Pricing; Marketing Strategy; Price; Technology Adoption; Consumer Behavior; AI and Machine Learning; Customer Focus and Relationships; Policy; Food and Beverage Industry

Educators

June 2024
Article

Valuing the Societal Impact of Medicines and Other Health Technologies: A User Guide to Current Best Practices

By: Jason Shafrin, Jaehong Kim, Joshua T. Cohen, Louis P. Garrison, Dana A. Goldman, Jalpa A. Doshi, Joshua Krieger, Darius N. Lakdawalla, Peter J. Neumann, Charles E. Phelps, Melanie D. Whittington and Richard Willke

This study argues that value assessment conducted from a societal perspective should rely on the Generalized Cost-Effectiveness Analysis (GCEA) framework proposed herein. Recently developed value assessment inventories—such as the Second Panel on Cost-Effectiveness’s... View Details

Keywords: Health Care and Treatment; Valuation; Cost vs Benefits; Society

December 2023
Article

What Can Stockouts Tell Us About Inflation? Evidence from Online Micro Data

By: Alberto Cavallo and Oleksiy Kryvtsov

We use a detailed micro dataset on product availability and stockouts to construct a direct high-frequency measure of consumer product shortages during the 2020-2022 pandemic. We document a widespread multi-fold rise in stockouts in nearly all sectors early in the... View Details

Keywords: Prices; Stockouts; Inventories; Supply Disruptions; COVID-19 Pandemic; Supply Chain; Product; Demand and Consumers

2022
Working Paper

Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market

By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu

Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details

Keywords: Mutual Funds; Passive Investing; Asset Management; Financial Markets; Investment Funds; Financial Management; Financial Services Industry; United States

2023
Working Paper

Much Ado About Nothing? Overreaction to Random Regulatory Audits

By: Samuel Antill and Joseph Kalmenovitz

Regulators often audit firms to detect non-compliance. Exploiting a natural experiment in the lobbying industry, we show that firms overreact to audits and this response distorts prices and reduces welfare. Each year, federal regulators audit a random sample of... View Details

Keywords: Governance Compliance; Governing Rules, Regulations, and Reforms; Price

SSRN

2023
Chapter

Inflation and Misallocation in New Keynesian Models

By: Alberto Cavallo, Francesco Lippi and Ken Miyahara

The New Keynesian framework implies that sluggish price adjustment results in a distorted allocation of resources. We use a simple model to quantify these unobservable distortions, using data that depict the price-setting behavior of firms, specifically the frequency... View Details

Keywords: Macroeconomics; Inflation and Deflation; Price; Analytics and Data Science; Cost

June 2023 (Revised February 2024)
Case

Betting on Green Steel

By: George Serafeim and Sofoklis Melissovas

'Betting on Green Steel' traces the innovative journey embarked upon by a group of MBA students who have set out to conceive a novel steelmaker that pioneers the production of green steel. The ensemble is confronted with a series of critical choices that will shape the... View Details

Keywords: Decarbonization; Sustainability Management; Technology; Industrialization; Climate Risk; Energy; Entrepreneurship; Environmental Sustainability; Technology Adoption; Climate Change; Innovation and Invention; Business Strategy; Family Business; Steel Industry; Middle East; India

Educators

May 2023
Technical Note

Dynamic Pricing: Timing is Everything

By: Elie Ofek

This note provides a comprehensive exposition to the topic of dynamic pricing (whereby the fee customers are charged is time-dependent). It covers the motivation for firms to engage in dynamic pricing, provides a typology of the main formats dynamic pricing can take,... View Details

Keywords: Dynamic Pricing; Price

Educators

August 2022
Supplement

Zalora: Data-Driven Pricing Recommendations

By: Ayelet Israeli

This exercise can be used in conjunction with the main case "Zalora: Data-Driven Pricing" to facilitate class discussion without requiring data analysis from the students. Instead, the exercise presents reports that were created by the data science team to answer the... View Details

Keywords: Pricing; Pricing Algorithms; Dynamic Pricing; Ecommerce; Pricing Strategy; Pricing And Revenue Management; Apparel; Singapore; Startup; Demand Estimation; Data Analysis; Data Analytics; Exercise; Price; Internet and the Web; Apparel and Accessories Industry; Retail Industry; Fashion Industry; Singapore

Article

How Market Power Affects Dynamic Pricing: Evidence from Inventory Fluctuations at Car Dealerships

By: Ayelet Israeli, Fiona Scott-Morton, Jorge Silva-Risso and Florian Zettelmeyer

This paper investigates empirically the effect of market power on dynamic pricing in the presence of inventories. Our setting is the auto retail industry; we analyze how automotive dealerships adjust prices to inventory levels under varying degrees of market power. We... View Details

Keywords: Dynamic Pricing; Market Power; Pricing; Price Discrimination; Inventory Production; Marketing; Price; Competitive Strategy; Auto Industry; Retail Industry

Find at Harvard

2024
Working Paper

Omnia Juncta in Uno: Foreign Powers and Trademark Protection in Shanghai's Concession Era

By: Laura Alfaro, Cathy Bao, Maggie X. Chen, Junjie Hong and Claudia Steinwender

We investigate how firms and markets adapt to trademark protection, an extensively utilized but under-examined form of IP protection to address asymmetric information, by exploring a historical precedent: China’s 1923 trademark law. Exploiting unique, newly digitized... View Details

Keywords: Trademark; Firm Dynamics; Intermediaries; Intellectual Property Institutions; Trademarks; Intellectual Property; Laws and Statutes; Outcome or Result; Organizational Change and Adaptation; China

SSRN

2021
Working Paper

Hidden Software and Veiled Value Creation: Illustrations from Server Software Usage

By: Raviv Murciano-Goroff, Ran Zhuo and Shane Greenstein

How do you measure the value of a commodity that transacts at a price of zero from an economic standpoint? This study examines the potential for and extent of omission and misattribution in standard approaches to economic accounting with regards to open source... View Details

Keywords: Server Software; Open Source Distribution; Applications and Software; Analytics and Data Science; Economics; Value Creation; Measurement and Metrics

Find at Harvard