by Sen Chai - Publications - Faculty & Research - Harvard Business School

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2023
Working Paper

When Insurers Exit: Climate Losses, Fragile Insurers, and Mortgage Markets

By: Pari Sastry, Ishita Sen and Ana-Maria Tenekedjieva

This paper studies how homeowners insurance markets respond to growing climate losses and how this impacts mortgage market dynamics. Using Florida as a case study, we show that traditional insurers are exiting high risk areas, and new lower quality insurers are... View Details

Keywords: Insurance; Natural Disasters; Governing Rules, Regulations, and Reforms; Insurance Industry; Florida

2023
Article

M4: A Unified XAI Benchmark for Faithfulness Evaluation of Feature Attribution Methods across Metrics, Modalities, and Models

By: Himabindu Lakkaraju, Xuhong Li, Mengnan Du, Jiamin Chen, Yekun Chai and Haoyi Xiong

While Explainable Artificial Intelligence (XAI) techniques have been widely studied to explain predictions made by deep neural networks, the way to evaluate the faithfulness of explanation results remains challenging, due to the heterogeneity of explanations for... View Details

Keywords: AI and Machine Learning

November 2023
Case

Chai Point

By: Rembrand Koning, Daniel W. Elfenbein and Kanika Jain

Chai Point was an Indian food and beverage company focused on chai. It started in 2010 as a retail store network but soon expanded to corporate offices by developing an IoT-enabled automatic tea and filter coffee machine. By 2023, Chai Point had 170 stores and 5000... View Details

Keywords: Entrepreneurship; Food; Resource Allocation; Vertical Integration; Expansion; Food and Beverage Industry; Technology Industry; Retail Industry; India

October 2023
Case

Leading Transformation at IHCL

By: Krishna G. Palepu, V.G. Narayanan and Malini Sen

In November 2017, Puneet Chhatwal, took charge as MD and CEO of IHCL, popularly referred to as the Taj Hotels. Despite being India’s largest hospitality company by market capitalization and respected for its values and service, IHCL had made losses for the last seven... View Details

Keywords: Turn Around Management; Hospitality Industry; Brand Management; Financial Strategy; Business Model; Restructuring; Asset Management; Leadership Style; Crisis Management; Brands and Branding; Product Positioning; Segmentation; Asia; India

2023
Working Paper

The Market for Sharing Interest Rate Risk: Quantities and Asset Prices

By: Umang Khetan, Jane Li, Ioana Neamtu and Ishita Sen

We study the extent of interest rate risk sharing across the financial system using granular positions and transactions data in interest rate swaps. We show that pension and insurance (PF&I) sector emerges as a natural counterparty to banks and corporations: overall,... View Details

Keywords: Interest Rates; Investment Funds; Banks and Banking; Insurance; Investment Banking; Risk and Uncertainty

June 2023
Article

Regulatory Limits to Risk Management

Variable annuities, the largest liability of U.S. life insurers, are investment products containing long-dated minimum return guarantees. I show that guarantees with similar economic risks are treated differently by regulation and these differences impact insurers’... View Details

Keywords: Interest Rate Risk; Variable Annuities; Capital Regulation; Reinsurance; Derivatives; Risk Management; Interest Rates; Governing Rules, Regulations, and Reforms

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August 2022
Case

Rocket Learning: Evidence in Action

By: Brian Trelstad, Tomas Rosales and Malini Sen

Founders of Rocket Learning, an India-based nonprofit which focused on early childhood education (ECE), received an invitation from MIT’s Abdul Latif Jameel Poverty Action Lab (JPAL), a development research organization, to test its intervention for ECE with a... View Details

Keywords: Social Entrepreneurship; Early Childhood Education; Nonprofit Organizations; Literacy; Values and Beliefs; Social and Collaborative Networks; Education Industry; India; Asia

January 2022 (Revised January 2024)
Case

ReNew Power: Leading the Energy Transition in India

By: Gunnar Trumbull and Malini Sen

Founder-CEO of one of India’s largest clean energy companies, ReNew Power, which develops, builds, and operates utility-scale wind and solar energy projects, has to decide the way forward for the company as the country and the world stand poised at the cusp of an... View Details

Keywords: Energy Generation; Renewable Energy; Energy Sources; Entrepreneurship; Private Equity; Initial Public Offering; Forecasting and Prediction; Trends; Transformation; Private Ownership; Environmental Sustainability; Energy Industry; India; Asia

September 2021 (Revised March 2024)
Case

Bühler: Mobilizing Industry around a Common Purpose

By: Ranjay Gulati, Franz Wohlgezogen and Malini Sen

Bühler Group, a Swiss multinational processing technology provider, started by selling machines for processing grains and later transitioned into selling food processing solutions. A family-owned business in the fifth generation, Bühler’s high-end milling, grinding,... View Details

Keywords: Family Business; Customer Focus and Relationships; Machinery and Machining; Corporate Social Responsibility and Impact; Mission and Purpose; Innovation Leadership; Switzerland

January 2021 (Revised February 2021)
Case

TCS: From Physical Offices to Borderless Work

By: Prithwiraj Choudhury and Malini Sen

Tata Consultancy Services (TCS), a multinational IT services company headquartered in Mumbai, is a subsidiary of one of India’s most reputed conglomerates, the Tata Group. In 2020, TCS was valued at $144.7 billion, the highest for any company in the IT sector,... View Details

Keywords: Remote Work; Organizational Structure; Change Management; Transformation; Decision Choices and Conditions; Customer Satisfaction; Information Technology Industry; India; Asia; United States; Europe

September 2017 (Revised March 2018)
Case

Chai Point: Disrupting Chai

By: Shikhar Ghosh, Ramana Nanda and Rachna Tahilyani

Chai Point is India’s largest organized chai retailer. It has missed its target for retail store openings by approximately 25%, goals that are very important to its investors who are also board members. However, it has developed an exciting new internet-based tea... View Details

Winter 2017
Article

Why Big Data Isn't Enough

By: Sen Chai and Willy C. Shih

There is a growing belief that sophisticated algorithms can explore huge databases and find relationships independent of any preconceived hypotheses. But in businesses that involve scientific research and technological innovation, this approach is misguided and... View Details

Keywords: Big Data; Science-based; Science; Scientific Research; Data Analytics; Data Science; Data-driven Management; Data Scientists; Technological Innovation; Analytics and Data Science; Mathematical Methods; Theory

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February 2016
Article

Bridging Science and Technology Through Academic-Industry Partnerships

By: Sen Chai and Willy C. Shih

Partnerships that foster the translation of scientific advances emerging from academic research organizations into commercialized products at private firms are a policy tool that has attracted increased interest. This paper examines empirical data from the Danish... View Details

Keywords: Economic Development; Technological Change; Government Policy; Technological Innovation; Research and Development; Information Technology; Policy; Technology Industry; Denmark

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Article

What to Know About Locating in a Cluster

By: Willy C. Shih and Sen Chai

As a study of two industry clusters in Denmark shows, factors that can make clusters attractive—easy people movement and knowledge spillovers—can also make it harder for individual companies to retain proprietary knowledge. View Details

Keywords: Clusters; Clustering; Competitiveness; Life Sciences; Telecommunications; Science-based; Research And Development; Industry Clusters; Research; Innovation Strategy; Innovation and Management; Geographic Location; Pharmaceutical Industry; Biotechnology Industry; Telecommunications Industry; Food and Beverage Industry; Denmark

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February 2014
Case

BGI: Data-driven Research

By: Willy Shih and Sen Chai

BGI has the largest installed gene-sequencing capacity in the world, and to Zhang Gengyun, general manager of the Life Sciences Division, this represented an opportunity to apply his training as a plant breeder and his early career work as a biochemist to improving... View Details

September 2013
Case

PadFone vs. FonePad

By: Willy Shih and Sen Chai

To Jonney Shih, Chairman of ASUSTek Computer, the introduction of Apple's iPad made clear the need to transition his company to a new cloud-computing era. But the company's roots in the manufacture of Windows-powered desktop and notebook PCs bounded the creativity of... View Details

July 2013
Case

Novozymes: Establishing the Cellulosic Ethanol Value Chain

By: Willy Shih and Sen Chai

As the world's largest producer of industrial enzymes, Novozymes had invested heavily for many years to bio-engineer enzymes that could break down cellulose into fermentable sugar. In 2010, the company had launched what it thought would become a breakthrough product... View Details

February 2013 (Revised March 2015)
Case

The LEGO Group: Publish or Protect?

By: Willy C. Shih and Sen Chai

Senior managers at the LEGO Group are faced with a quandary: Should they patent inventions coming out of their manufacturing process development work, should they keep them as trade secrets, or should they publish them so that they would go into the public domain and... View Details

2014
Working Paper

Bridging Science and Technology Through Academic-Industry Partnerships

By: Sen Chai and Willy C. Shih

Scientific research and its translation into commercialized technology is a driver of wealth creation and economic growth. Partnerships to foster the translational processes from public research organizations, such as universities and hospitals, to private firms are a... View Details

Keywords: Innovation; Firm Performance; Public-private Partnership Funding; Translational Research; Small And Medium Enterprises; Partners and Partnerships; Public Sector; Private Sector; Performance; Science-Based Business; Innovation and Invention

April 2011
Teaching Note

Office of Technology Transfer - Shanghai Institutes for Biological Sciences (TN)

By: Willy Shih and Sen Chai

Teaching Note for 611057. View Details

Keywords: Patents; Rights; Infrastructure; Multinational Firms and Management; Research and Development; Complexity; Commercialization; Technology Adoption; Motivation and Incentives; Biotechnology Industry; Pharmaceutical Industry; Shanghai

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