Publications
Publications
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(4,768)
- Faculty Publications (1,417)
- 2025
- Working Paper
Computed Tomography (CT)--Beyond Traditional X-Rays: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how Computed Tomography (CT) scanners - that combine Xrays
and computers to image soft tissues of the brain and other organs -- have become a widely used
diagnostic tool. Specifically, we chronicle the 1) initial development of CT... View Details
- 2025
- Working Paper
Gastrointestinal Endoscopy--Without Cutting In: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how endoscopy transformed the diagnosis of ulcers, cancerous polyps, and other alimentary canal diseases and enabled “minimally invasive” surgeries to treat such diseases. Specifically, we chronicle how: 1) flexible glass fiber endoscopes... View Details
- 2025
- Working Paper
HIV Tests and AIDS Treatments—Containing a Fearsome Pandemic: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how a diverse cast of characters, including public health organizations, research laboratories, for-profit healthcare companies, activists, and regulators, rolled back the outbreak of HIV/AIDS in just fifteen years. Moreover, as the case... View Details
- 2025
- Working Paper
Laparoscopy—Minimally Invasive Surgery: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Caitlin N. Bowler
We describe how operations through laparoscopes – tubular instruments inserted into abdominal cavities – revolutionized gynecological and other surgeries inside the abdomen, such as gall bladder removal. Specifically, we chronicle the 1) foundational contributions of... View Details
- 2025
- Working Paper
Magnetic Resonance Imaging—High Quality and Radiation Free: Case Histories of Transformational Advances
By: Srikant M. Datar, Amar Bhidé and Katherine Stebbins
This case history describes how Magnetic Resource Imaging (MRI) came to complement – and partially replace -- computed tomography (CT) imaging of soft tissue. Specifically, we chronicle 1) the development of foundational techniques and prototypes (through the 1970s);... View Details
- 2025
- Working Paper
Mammography - Early Detection, Precise Diagnoses: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how the development of x-ray-based techniques and equipment (“mammography”) led to widespread screening for breast cancer and enabled “minimally invasive” biopsies of breast tumors. Specifically, we chronicle how: 1) new protocols and... View Details
- 2025
- Working Paper
Ultrasound Imaging--Cheap, Versatile, and Safe: Case Histories of Transformational Advances
By: Amar Bhidé, Srikant M. Datar and Katherine Stebbins
This case history describes how efforts on multiple fronts, including advocacy, training, and technological development, made ultrasound the second most commonly used diagnostic imaging technology (after X-rays). Specifically, we chronicle 1) ultrasound’s development... View Details
- 2021
- Working Paper
Going Out or Opting Out? Capital, Political Vulnerability, and the State in China's Outward Investment
By: Meg Rithmire
How do state-business relations interact with outward investment in authoritarian regimes? This paper examines this question in the context of China’s rapid transformation into major capital exporter. While most political economy scholarship focuses on firms’ economic... View Details
- Article
People Make It So Hard to Ditch Plastic Straws
Rarely has a minor consumer product received more vilification than the plastic straw. As a symbol of human wastefulness and our careless disregard for the environment, straws are the near-perfect villain. You use a plastic straw once and toss it, but it stays with us... View Details
- July 2019
- Case
Autonomous Vehicles: Smooth or Bumpy Ride Ahead?
By: Elie Ofek and Akhil Waghmare
In early 2019, transportation was set to undergo a major transformation with the advent of autonomous vehicles (AVs), also referred to as driverless cars, which were nearing completion from an R&D and testing phase. Yet many questions remained open regarding exactly... View Details
- July 2019
- Article
Market Reaction to Mandatory Nonfinancial Disclosure
By: Jody Grewal, Edward J. Riedl and George Serafeim
We examine the equity market reaction to events associated with the passage of a directive in the European Union (EU) mandating increased nonfinancial disclosure. These disclosures relate to firms’ environmental, social, and governance (ESG) performance and would be... View Details
Keywords: Nonfinancial Information; Nonfinancial Performance; ESG; ESG (Environmental, Social, Governance) Performance; Investor Behavior; Disclosure; Disclosure Regulation; Regulation; Sustainability; Corporate Performance; Information; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Performance; Environmental Sustainability; Corporate Governance; Outcome or Result
- July 2019
- Article
Using Behavioral Science to Inform the Design of Sugary Drink Portion Limit Policies: Reply to Wilson and Stolarz-Fantino (2018)
By: Leslie John, Grant E. Donnelly and Christina A. Roberto
In their commentary, Wilson & Stolarz-Fantino argue that specific design features of our research mean that it cannot have policy implications and that researchers “need to consider profit maximization in menu design or studies are likely to suggest ill-informed... View Details
- June 2019 (Revised July 2019)
- Case
Building a Meritocracy at Alghanim Industries
By: Paul M. Healy, Susanna Gallani and Esel Çekin
Building on his father’s legacy, Omar Alghanim (MBA 2002) had been working on strengthening a performance-driven culture based on meritocracy in the family business, Alghanim Industries. The task had been particularly challenging because of traditional Middle East... View Details
- June 2019
- Article
Debt Traps? Market Vendors and Moneylender Debt in India and the Philippines
By: Dean Karlan, Sendhil Mullainathan and Benjamin Roth
A debt trap occurs when someone takes on a high-interest rate loan and is barely able to pay back the interest, and thus perpetually finds themselves in debt (often by refinancing). Studying such practices is important for understanding financial decision-making of... View Details
Keywords: Borrowing and Debt; Household; Personal Finance; Decision Making; Behavior; India; Philippines
- May 28, 2019
- Other Article
How Russia Found a Disinformation Haven in America
By: Rawi Abdelal and Galit Goldstein
The Mueller Report established that “the Russians” undertook information operations campaigns to meddle in the 2016 U.S. presidential election. Though this has been clear for a long time, Americans continue to discuss Russian information operations in the wrong way.... View Details
- May 16, 2019
- Article
To Improve Food Inspections, Change the Way They're Scheduled
By: Maria Ibanez and Michael W. Toffel
Health inspections are an important tool to increase food safety, but there are still 48 million cases of food-borne illnesses and 128,000 hospitalizations every year in the United States. Our research finds that inspectors reported fewer health code violations as they... View Details
- May 2019 (Revised September 2019)
- Case
Mobike and ofo: Dancing with Titans (A)
By: Shikhar Ghosh and Haibo Zhao
This case address pacing issues – how fast does a company need to scale? It also examines the role of investors in determining company strategy and exit.
Mobike and ofo were two dominant players in China’s emerging dockless bike-sharing market, that allowed users... View Details
Mobike and ofo were two dominant players in China’s emerging dockless bike-sharing market, that allowed users... View Details
- May 2019
- Article
Corporate Debt, Firm Size and Financial Fragility in Emerging Markets
By: Laura Alfaro, Gonzalo Asis, Anusha Chari and Ugo Panizza
The post-Global Financial Crisis period shows a surge in corporate leverage in emerging markets and a number of countries with deteriorated corporate financial fragility indicators (Altman’s Z-score). Firm size plays a critical role in the relationship between... View Details
- May 2019
- Article
The Role of Gatekeepers in Capital Markets
By: Sugata Roychowdhury and Suraj Srinivasan
Gatekeepers in financial markets have the power to provide the institutional stability, fortitude and direction necessary for the development and the smooth functioning of capital markets. At the same time, they are often motivated by their own private incentives.... View Details
- 2019
- Working Paper
Bank Boards: What Has Changed Since the Financial Crisis?
By: Shiva Rajgopal, Suraj Srinivasan and Forester Wong
Several government-mandated committees investigating the financial crisis highlighted four key deficiencies in the composition of bank boards before the crisis: (i) group think among bank board members; (ii) absence of prior banking experience of board members; (iii)... View Details