Publications
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- June 2025
- Article
Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion
By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz
Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We... View Details
- May 2025
- Teaching Note
Boutiqaat: Influencing Retail in MENA
By: Juan Alcacer and Noor Al Qadhi
Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
- May 2025
- Case
Boutiqaat: Influencing Retail in MENA
By: Juan Alcacer and Noor Al Qadhi
Boutiqaat, a Kuwait-based e-commerce platform, scaled an influencer-driven beauty retail model across MENA and now faces critical strategic choices about offline expansion and globalization. Founded in 2015, Boutiqaat combined social commerce, localized logistics, and... View Details
- April 2025
- Teaching Note
Allbirds: Decarbonizing Fashion (A) and (B)
By: Michael W. Toffel, Ken Pucker and Stacy Straaberg
Teaching Note for HBS Case Nos. 622-024, 625-004, 625-005, and 625-702. The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider... View Details
Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Business Startups; Initial Public Offering; Knowledge Sharing; Competitive Advantage; Apparel and Accessories Industry; Fashion Industry; United States; California
- April 2025
- Supplement
Allbirds: Decarbonizing Fashion PowerPoint Supplement
By: Michael W. Toffel, Ken Pucker and Stacy Straaberg
The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider fashion industry. Background material highlights the growing... View Details
Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Apparel and Accessories Industry; Fashion Industry; United States; California
- March 2025 (Revised April 2025)
- Case
Perplexity: Redefining Search
By: Suraj Srinivasan, Michelle Hu, Sriraghav Srinivasan and Radhika Kak
By early 2025, Perplexity had rapidly evolved from a modest startup into a popular "answer engine" valued at $9 billion. The company had boldly positioned itself as the disruptor to Google aiming to redefine search for the AI age. Through novel AI... View Details
- 2025
- Working Paper
CEO-Firm Matches and Productivity in 42 Countries
By: Amanda Dahlstrand, Dávid László, Helena Schweiger, Oriana Bandiera, Andrea Prat and Raffaella Sadun
Firms are key to economic development, and CEOs are key to firm productivity. Are firms in countries at varying stages of development led by the right CEOs, and if not, why? We develop a parsimonious measure of CEO time use that allows us to differentiate CEOs into... View Details
- November 2024
- Case
Polish Agro: Where Do We Grow from Here?
By: Willy C. Shih, Lena Duchene and Daniela Beyersdorfer
By July 2024, Polish Agro had grown into one of Poland’s fastest-growing agribusinesses, with €230 million in revenue, 82 employees, and operations across Northern Poland. The company supported farmers with essential agricultural inputs like fertilizers and seeds,... View Details
Keywords: Plant-Based Agribusiness; Distribution; Volatility; Customer Focus and Relationships; Customer Value and Value Chain; Climate Change; Environmental Regulation; Profit; Trade; Digital Strategy; Innovation Strategy; Crisis Management; Growth and Development Strategy; Resource Allocation; Advertising; Brands and Branding; E-commerce; Business and Community Relations; Networks; Adaptation; Adoption; Competitive Advantage; Business Model; Health Pandemics; War; Agriculture and Agribusiness Industry; Europe; Poland
- November 2024
- Case
Grand Seiko—The Sleeping Lion
By: Rohit Deshpandé, Nobuo Sato and Akiko Kanno
In 2024, Akio Naito, President of Seiko Watch Corporation, reflected on the global expansion of Grand Seiko, the company’s luxury watch brand. Originally created more than 60 years ago as the luxury model of Seiko watches in Japan, Grand Seiko struggled to... View Details
Keywords: Global Strategy; Brands and Branding; Product Positioning; Luxury; Expansion; Japan; United States
- October 2024
- Article
Founder-CEO Compensation and Selection into Venture Capital-Backed Entrepreneurship
By: Michael Ewens, Ramana Nanda and Christopher Stanton
We show theoretically that a critical determinant of the attractiveness of VC-backed entrepreneurship for high-earning potential founders is the expected time to develop a startup’s initial product. This is because founder-CEOs’ cash compensation increases... 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
- Working Paper
The Returns to Skills During the Pandemic: Experimental Evidence from Uganda
By: Livia Alfonsi, Vittorio Bassi, Imran Rasul and Elena Spadini
The Covid-19 pandemic represents one of the most significant labor market shocks to the world economy in recent times. We present evidence from a field experiment to understand whether and why skilled and unskilled workers were differentially impacted by the shock, in... View Details
- June 2024 (Revised August 2024)
- Case
Revlon India's Turnaround: Navigating Online-Offline Decisions Using a Balanced Scorecard
By: Tatiana Sandino and Samuel Grad
Revlon India was founded as a joint venture in 1995, pairing the industrial conglomerate UMG with the global beauty brand Revlon, Inc. to bring international color cosmetics to India. After growing rapidly and pioneering the Beauty Advisor (BA) model in India, the... View Details
Keywords: Balanced Scorecard; Restructuring; Training; Supply Chain Management; Distribution; E-commerce; Business Model; Business Plan; Decision Choices and Conditions; Marketing Strategy; Alignment; Brands and Branding; Negotiation; Joint Ventures; Strategic Planning; Salesforce Management; Competition; Consumer Products Industry; Consumer Products Industry; Consumer Products Industry; India
- March 2024
- Case
Lyft 2023: Roads to Growth and Differentiation
By: Ranjay Gulati and Jeffrey Huizinga
Set in San Francisco in winter 2023, this case explores the strategic challenges and initiatives at Lyft under the leadership of its new CEO, David Risher. Confronted with declining market share and financial pressures, Risher spent his first six months at the helm... View Details
- January 2024
- Case
Sprouts Farmers Market
By: Rajiv Lal, Forest L. Reinhardt and Natalie Kindred
Sprouts Farmers Markets (Sprouts) is a Phoenix, Arizona-based chain of 400-plus natural foods stores in 23 U.S. states and $6.4 billion in sales as of 2022. In its product assortment, brand image, and store environment, Sprouts emphasizes freshness, health, innovation,... View Details
- November 2023
- Case
From Imitation to Innovation: Zongshen Industrial Group (Abridged)
By: Willy Shih and Nancy Dai
Like other small shops based in Chongqing, China, Zongshen Industrial Group started by assembling motorcycles from "standard" parts. The quality of its early products was good enough for rural Chinese buyers, though wealthier consumers usually purchased premium... View Details
- October 2023
- Case
Vida Health: Transforming Chronic Disease Treatment
By: William Sahlman and Nicole Tempest Keller
San Francisco based Vida Health, founded by Stephanie Tilenius, former vice president of Commerce and Payments at Google, was a B2B digital health startup focused on the treatment of cardiometabolic conditions, such as diabetes and obesity. Its innovative digital... View Details
- 2023
- Working Paper
Causal Interpretation of Structural IV Estimands
By: Isaiah Andrews, Nano Barahona, Matthew Gentzkow, Ashesh Rambachan and Jesse M. Shapiro
We study the causal interpretation of instrumental variables (IV) estimands of nonlinear, multivariate structural models with respect to rich forms of model misspecification. We focus on guaranteeing that the researcher's estimator is sharp zero consistent, meaning... View Details
Keywords: Mathematical Methods
- 2023
- Working Paper
PRIMO: Private Regression in Multiple Outcomes
By: Seth Neel
We introduce a new differentially private regression setting we call Private Regression in Multiple Outcomes (PRIMO), inspired the common situation where a data analyst wants to perform a set of l regressions while preserving privacy, where the covariates... View Details
- 2023
- Working Paper
Crowding in Private Quality: The Equilibrium Effects of Public Spending in Education
By: Tahir Andrabi, Natalie Bau, Jishnu Das, Asim Ijaz Khwaja and Naureen Karachiwalla
We estimate the equilibrium effects of a public-school grant program administered through school councils in Pakistani villages with multiple public and private schools and clearly defined catchment boundaries. The program was randomized at the village-level, allowing... View Details