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Publications

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    • All HBS Web  (616)
      • Faculty Publications  (73)

      Food Safety StandardsRemove Food Safety Standards →

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      • January 2025 (Revised April 2025)
      • Case

      Less Is More: Will Aldi's Expansion Plans Pay Off in a Crowded U.S. Grocery Market?

      By: David Collis and Haisley Wert
      In 2024, the discount grocery retailer Aldi announced bold U.S. expansion plans. Within five years, the German company would increase its store count by 30% to reach 3,200+ stores across the United States and approach becoming the fifth largest grocery retailer in the... View Details
      Keywords: Scope; Grocery; Corporate Strategy; Expansion; Business Model; Competitive Strategy; Retail Industry; United States
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      Collis, David, and Haisley Wert. "Less Is More: Will Aldi's Expansion Plans Pay Off in a Crowded U.S. Grocery Market?" Harvard Business School Case 725-416, January 2025. (Revised April 2025.)
      • September 2024
      • Case

      The Health Equity Accelerator at Boston Medical Center

      By: Susanna Gallani, Mary Witkowski and Katie Sonnefeldt
      This case describes how Boston Medical Center, a hospital and safety net organization, changed its strategic approach to health equity after realizing that previous efforts were not sufficient to address the health disparities among their patients. In 2021, the Health... View Details
      Keywords: Health Care and Treatment; Health Disorders; Innovation and Management; Innovation Leadership; Innovation Strategy; Adaptation; Business Strategy; Mission and Purpose; Decisions; Organizational Change and Adaptation; Organizational Structure; Diversity; Race; Ethnicity; Urban Scope; Local Range; Equality and Inequality; Health Industry; Boston
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      Gallani, Susanna, Mary Witkowski, and Katie Sonnefeldt. "The Health Equity Accelerator at Boston Medical Center." Harvard Business School Case 125-039, September 2024.
      • May 2024 (Revised May 2024)
      • Case

      Market by Met Council: Revolutionizing Food Pantries in the Digital Age

      By: Elisabeth Paulson and Michael W. Toffel
      In fall 2023, the Food Program of Met Council—America’s largest Jewish charity dedicated to fighting poverty—completed the rollout of the newest version of its digital pantry platform to twelve food pantries in the Met Council food pantry network. The digital... View Details
      Keywords: Customer Focus and Relationships; Digital Transformation; Nonprofit Organizations; Service Operations; Human Needs
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      Paulson, Elisabeth, and Michael W. Toffel. "Market by Met Council: Revolutionizing Food Pantries in the Digital Age." Harvard Business School Case 624-060, May 2024. (Revised May 2024.)
      • March 2024
      • Article

      Do Safety Management System Standards Indicate Safer Operations? Evidence from the OHSAS 18001 Occupational Health and Safety Standard

      By: Kala Viswanathan, Matthew S. Johnson and Michael W. Toffel
      Problem definition: Given the enormous disruptions and costs of occupational injuries, companies and buyers are increasingly looking to voluntary occupational health and safety standards to improve worker safety. Yet because these standards only require... View Details
      Keywords: Occupational Health; Occupational Safety; Program Evaluation; Safety Performance; Injuries; OHSAS 18001; ISO 45001; Working Conditions; Safety; Standards
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      Viswanathan, Kala, Matthew S. Johnson, and Michael W. Toffel. "Do Safety Management System Standards Indicate Safer Operations? Evidence from the OHSAS 18001 Occupational Health and Safety Standard." Art. 106383. Safety Science 171 (March 2024).
      • 2025
      • Working Paper

      Managing Remote Work Quality: Evidence from Auditing Management Systems Standards

      By: Ashley Palmarozzo, Michael W. Toffel and Melissa Ouellet
      Remote work has become more common, providing operational flexibility and productivity benefits, but questions remain about whether and how it affects work quality. We investigate the quality effects of remote work in a context in which remote work separates workers... View Details
      Keywords: Audit; Auditing; Remote Work; Compliance; Assessment; Environment; Management Systems; Quality Management; Quality Management System; Quality; Operations; Supply Chain Management; Environmental Management; Safety
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      Palmarozzo, Ashley, Michael W. Toffel, and Melissa Ouellet. "Managing Remote Work Quality: Evidence from Auditing Management Systems Standards." Harvard Business School Working Paper, No. 24-002, July 2023. (Revised February 2025.)
      • 2022
      • Working Paper

      Social Protection and Social Distancing During the Pandemic: Mobile Money Transfers in Ghana

      By: Dean Karlan, Matt Lowe, Robert Osei, Isaac Osei-Akoto, Benjamin N. Roth and Christopher Udry
      We study the impact of mobile money transfers to a representative sample of low-income Ghanaians during the COVID-19 pandemic. The announcement of the upcoming transfers affects neither consumption, well-being, nor social distancing. Once disbursed,... View Details
      Keywords: Social Distancing; Social Welfare; Economic Relief; Health Pandemics; Poverty
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      Karlan, Dean, Matt Lowe, Robert Osei, Isaac Osei-Akoto, Benjamin N. Roth, and Christopher Udry. "Social Protection and Social Distancing During the Pandemic: Mobile Money Transfers in Ghana." Harvard Business School Working Paper, No. 23-010, July 2022. (Revise and Resubmit, Journal of Development Economics.)
      • Article

      A Career Life-Cycle Perspective on Women's Health and Safety

      By: Robert S. Kaplan, Chizoba L. Chukwura, Gregory H. Gorman, Vivian S. Lee, Chester B. Good, Kathleen L. Martin, Gregory A. Ator and Michael D. Parkinson
      Women's health has demanded more attention from employers as women integrated into the workforce. Traditionally male-dominant fields and occupations require special attention to workplace design, physical standards for entry, employment practices, equipment, and health... View Details
      Keywords: Women's Health; Healthcare Access; Workplace Design; Military Health System; Occupational Health; Medical Equipment & Devices; Employees; Gender; Personal Development and Career
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      Kaplan, Robert S., Chizoba L. Chukwura, Gregory H. Gorman, Vivian S. Lee, Chester B. Good, Kathleen L. Martin, Gregory A. Ator, and Michael D. Parkinson. "A Career Life-Cycle Perspective on Women's Health and Safety." Journal of Occupational and Environmental Medicine 64, no. 4 (April 2022): 267–270.
      • 2021
      • Article

      Public Health Risks Arising from Food Supply Chains: Challenges and Opportunities

      By: Lu Chen, Donovan Guittieres, Retsef Levi, Elisabeth Paulson, Georgia Perakis, Nicholas Renegar and Stacy Springs
      Safe, healthy, and resilient food supply chains are essential to ensuring the livelihood and well-being of humans and societies, as well as local and global economies. However, the ability to provide and sustain access to nutritious and safe food continues to be a... View Details
      Keywords: Food Safety; Adulteration; Malnutrition; Supply Chain; Health; Government Administration; Food and Beverage Industry
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      Chen, Lu, Donovan Guittieres, Retsef Levi, Elisabeth Paulson, Georgia Perakis, Nicholas Renegar, and Stacy Springs. "Public Health Risks Arising from Food Supply Chains: Challenges and Opportunities." Special Issue on OR Models for Developmental Studies. Naval Research Logistics Quarterly 68, no. 8 (2021): 1098–1112.
      • November 2020
      • Case

      Truebird—An AlleyCorp Venture

      By: Shikhar Ghosh and Shweta Bagai
      In December 2018, Kevin Ryan and Wendy Tsu faced an important decision – to finalize the CEO candidate for Truebird, an innovative, automated coffee café concept. Like many of AlleyCorp and Ryan’s companies, Truebird started with the observation of an unmet need – an... View Details
      Keywords: Startup; Hiring; Staffing; Recruiting; Business Startups; Finance; Leadership; Management Skills; Management Teams; Jobs and Positions; Job Interviews; Human Resources; Recruitment; Selection and Staffing; Food and Beverage Industry; Food and Beverage Industry; United States
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      Ghosh, Shikhar, and Shweta Bagai. "Truebird—An AlleyCorp Venture." Harvard Business School Case 821-030, November 2020.
      • 2021
      • Working Paper

      Accounting for Product Impact in the Consumer-Packaged Foods Industry

      By: Amanda Rischbieth, George Serafeim and Katie Trinh
      We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the consumer-packaged goods industry. We design a methodology that allows us to calculate monetary impact estimates on customer... View Details
      Keywords: Product Innovation; Impact; Impact Investing; Impact Measurement; ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Corporate Responsibility; Corporate Social Responsibility; Social Impact; Nutrition Database; Nutritional Information; CPG; Consumer Packaged Goods; IWAI; Product Design; Product Positioning; Society; Environmental Sustainability; Corporate Social Responsibility and Impact; Nutrition; Product; Safety; Consumer Products Industry
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      Rischbieth, Amanda, George Serafeim, and Katie Trinh. "Accounting for Product Impact in the Consumer-Packaged Foods Industry." Harvard Business School Working Paper, No. 21-051, October 2020. (Revised October 2021.)
      • September 2020 (Revised October 2020)
      • Case

      Briscola—Pizza Society: Scaling Affordable Luxury

      By: Gary P. Pisano and Federica Gabrieli
      Riccardo Cortese and Federico Pinna were the CEOs of Briscola—Pizza Society, a restaurant chain they had founded in 2014 with a clear ambition: create a distinctive international pizza chain that would combine a fast-casual format with the devotion to quality that... View Details
      Keywords: Entrepreneurship; Growth and Development Strategy; Expansion; Geographic Location; Business Model; Ownership Type; Food and Beverage Industry; Europe; Italy
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      Pisano, Gary P., and Federica Gabrieli. "Briscola—Pizza Society: Scaling Affordable Luxury." Harvard Business School Case 621-031, September 2020. (Revised October 2020.)
      • June 2020
      • Article

      How Scheduling Can Bias Quality Assessment: Evidence from Food Safety Inspections

      By: Maria Ibanez and Michael W. Toffel
      Accuracy and consistency are critical for inspections to be an effective, fair, and useful tool for assessing risks, quality, and suppliers—and for making decisions based on those assessments. We examine how inspector schedules could introduce bias that erodes... View Details
      Keywords: Assessment; Bias; Inspection; Scheduling; Econometric Analysis; Empirical Research; Regulation; Health; Food; Safety; Quality; Performance Consistency; Governing Rules, Regulations, and Reforms
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      Ibanez, Maria, and Michael W. Toffel. "How Scheduling Can Bias Quality Assessment: Evidence from Food Safety Inspections." Management Science 66, no. 6 (June 2020): 2396–2416. (Revised February 2019. Featured in Harvard Business Review, Forbes, Food Safety Magazine, Food Safety News, and KelloggInsight. (2020 MSOM Responsible Research Finalist.))
      • 2020
      • Book

      Think Outside the Building: How Advanced Leaders Can Change the World One Smart Innovation at a Time

      By: Rosabeth Moss Kanter
      Over a decade ago, renowned innovation expert Rosabeth Moss Kanter co-founded and then directed Harvard’s Advanced Leadership Initiative. Her breakthrough work with hundreds of successful professionals and executives, as well as aspiring young entrepreneurs, identifies... View Details
      Keywords: Leaders; Advanced Leadership; Advanced Leadership Initiative; Community; Change Leadership; Innovation; Problem Solving; Cross-sector Collaboration; Institutional Change; Leadership; Change; Leading Change; Communication; Innovation Leadership; Collaborative Innovation and Invention; Organizational Change and Adaptation; Business and Community Relations; Civil Society or Community
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      Kanter, Rosabeth Moss. Think Outside the Building: How Advanced Leaders Can Change the World One Smart Innovation at a Time. New York: PublicAffairs, 2020.
      • December 2019 (Revised June 2021)
      • Case

      Mãe Terra and Unilever (A)

      By: Lynn S. Paine, Ruth Costas and Priscilla Zogbi
      The case concerns the sale of Mãe Terra, one of Brazil's leading brands for packaged organic foods, to the consumer goods giant Unilever in 2017. Working with Unilever management, Mãe Terra’s CEO Alexandre Borges must determine whether and how to keep Mãe Terra's B... View Details
      Keywords: Mergers & Acquisitions; Brand Management; Sustainability; Mergers and Acquisitions; Mission and Purpose; Social Enterprise; Corporate Governance; Governing and Advisory Boards; Environmental Sustainability; Organizational Culture; Food and Beverage Industry; Food and Beverage Industry; Brazil; Latin America
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      Paine, Lynn S., Ruth Costas, and Priscilla Zogbi. "Mãe Terra and Unilever (A)." Harvard Business School Case 320-075, December 2019. (Revised June 2021.)
      • September 2019 (Revised May 2020)
      • Case

      Keroche (A): Fighting for Share in the Kenyan Alcoholic Drinks Market

      By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
      This case discusses the challenges faced by Kenyan alcoholic drinks producer Keroche Industries Limited in 2003, when the Kenyan government accused the company of manufacturing and selling substandard alcoholic drinks, revoked its liquor licenses, and shut down its... View Details
      Keywords: Keroche; Alcohol; Wine; Manufacturing; Informal Market; Regulation; Illicit; Illegal; Shutdown; Factory; Low-income Consumers; Multinational; Local; Government; Allegations; Accusations; Negative Press; EABL; Tusker; Beer; SAB; Chang'aa; Naivasha; Rift Valley; East Africa; Lawsuit; Legal Battle; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Production; Safety; Quality; Distribution; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Food and Beverage Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
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      Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (A): Fighting for Share in the Kenyan Alcoholic Drinks Market." Harvard Business School Case 720-390, September 2019. (Revised May 2020.)
      • September 2019
      • Supplement

      Keroche (B): Considering Entry into the Kenyan Beer Market

      By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
      This case discusses the situation of the Kenyan alcoholic drinks producer Keroche in July 2004, when co-founder Tabitha Karanja was debating whether to enter the Kenyan beer market. Doing so would mean direct competition with the multinational EABL in an industry and... View Details
      Keywords: Keroche; Alcohol; Alcoholic Drinks; Alcoholic Beverages; Beverages; Drinks; Wine Industry; Wine; Fortified Wine; Viena; Beer; Beer Market; Manufacturing; Production Capacity; Capacity; Growth; Regulated; Unregulated; Informal; Informal Market; Regulation; Illicit; Illegal; Substandard; Dangerous; Shutdown; Factory; Safe; Affordable; Low-income Consumers; Business Growth and Maturation; Business Startups; Production; Investment; Safety; Quality; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Marketing; Food and Beverage Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
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      Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (B): Considering Entry into the Kenyan Beer Market." Harvard Business School Supplement 720-391, September 2019.
      • September 2019 (Revised May 2020)
      • Supplement

      Keroche (C): The Excise Tax Increase

      By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
      This case discusses the Kenyan government’s decision to increase excise taxes on wines in 2007. The tax increase would cause an average increase in price of 367% on Keroche’s fortified wines. Meanwhile, Keroche’s competitor EABL had effectively lobbied the government... View Details
      Keywords: Keroche; Alcohol; Alcoholic Drinks; Alcoholic Beverages; Beverages; Drinks; Wine Industry; Wine; Fortified Wine; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Safety; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Food and Beverage Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
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      Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (C): The Excise Tax Increase." Harvard Business School Supplement 720-392, September 2019. (Revised May 2020.)
      • September 2019 (Revised May 2020)
      • Supplement

      Keroche (D): Transforming the Core Business

      By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
      This case describes Keroche co-founder Tabitha Karanja’s decision to exit the wine business following the Kenyan government’s 2007 increase in excise taxes on wine. In August 2007, Keroche introduced the vodka drink Viena Ice as a replacement for its fortified wines,... View Details
      Keywords: Keroche; Alcohol; Alcoholic Beverages; Alcoholic Drinks; Beverages; Drinks; Wine Industry; Wine; Fortified Wine; Viena; Viena Ice; Beer; Beer Market; Premium Beer; Manufacturing; Summit Lager; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Safety; Social Issues; Poverty; Strategy; Competition; Food and Beverage Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
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      Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (D): Transforming the Core Business." Harvard Business School Supplement 720-393, September 2019. (Revised May 2020.)
      • September 2019 (Revised May 2020)
      • Supplement

      Keroche (E): Considering Additional Capacity

      By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
      This case describes Keroche’s growth after entering the beer business in 2008. Although the company was operating at full capacity and not able to fulfill all of its orders, Tabitha Karanja had set a goal of growing Keroche’s share of the Kenyan beer market from... View Details
      Keywords: Keroche; Alcohol; Alcoholic Beverages; Beer; Beer Market; Premium Beer; Manufacturing; Production; Production Capacity; Capacity; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Safety; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Investment; Financing and Loans; Food and Beverage Industry; Food and Beverage Industry
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      Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (E): Considering Additional Capacity." Harvard Business School Supplement 720-394, September 2019. (Revised May 2020.)
      • September 2019 (Revised May 2020)
      • Supplement

      Keroche (F): Future Growth Plans

      By: Ramon Casadesus-Masanell and Pippa Tubman Armerding
      This case describes Keroche co-founder Tabitha Karanja’s 2012 decision to invest in additional production capacity. In November 2012, with a loan from Barclay’s bank, Keroche began constructing a new state-of-the-art beer brewery using German technology. The new plant,... View Details
      Keywords: Keroche; Alcohol; Aloholic Beverages; Beer; Production Capacity; Growth; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Safety; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Food and Beverage Industry; Food and Beverage Industry; Kenya; Nairobi; Africa
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      Casadesus-Masanell, Ramon, and Pippa Tubman Armerding. "Keroche (F): Future Growth Plans." Harvard Business School Supplement 720-395, September 2019. (Revised May 2020.)
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