Publications

August 2022 (Revised October 2024)
Background Note

Women in the Saudi Arabian Workforce

By: Sandra J. Sucher, Fares Khrais, Shalene Gupta and Menna Hassan

Citation

Educators

Purchase

Article

All Eyes on Them: A Field Experiment on Citizen Oversight and Electoral Integrity

By: Natalia Garbiras-Díaz and Mateo Montenegro

Can information and communication technologies help citizens monitor their elections? We analyze a large-scale field experiment designed to answer this question in Colombia. We leveraged Facebook advertisements sent to over 4 million potential voters to encourage... View Details

Keywords: Social Influence; Electoral Behavior; Election Outcomes; Economics; Economy; Governance; Government and Politics; Social Media; Social Marketing; Society; Political Elections; Advertising

Citation

Find at Harvard

Purchase

August 2022 (Revised November 2022)
Case

Altos Ventures (A)

By: Jo Tango and Alys Ferragamo

In December 2012, Altos Ventures General Partners Han Kim, Anthony Lee, and Ho Nam met to discuss the future of the firm. Altos had already adjusted its strategy multiple times. It began as a U.S.-focused venture capital investor whose first two funds were backed by a... View Details

Keywords: Strategic Planning; Venture Capital; Investment Portfolio; Partners and Partnerships

Citation

Educators

Purchase

August 2022 (Revised November 2022)
Supplement

Altos Ventures (B)

By: Jo Tango and Alys Ferragamo

In December 2021, Han Kim, Anthony Lee, and Ho Nam reflected on how far they had come since 2012. This B case provides an update on Altos Ventures’ decision-making and performance since the events presented in the A case. View Details

Keywords: Strategic Planning; Venture Capital; Investment Portfolio; Partners and Partnerships

Citation

Purchase

Article

As the World Shifts, So Should Leaders

By: Nitin Nohria

Two decades ago, extensive research led Nohria, the former dean of Harvard Business School, to conclude that the hallmark of great leadership is the ability to adapt to the times. Today, he says, we're in a period of significant change, thanks to global events,... View Details

Keywords: Adaptability; Leadership; Organizational Change and Adaptation; Adaptation

Citation

Find at Harvard

Register to Read

August 2022
Article

Availability of New Medicines in the U.S. and Germany From 2004 to 2018

By: Katharina Blankart, Huseyin Naci and Amitabh Chandra

Importance: Germany's unique approach to coverage determination and pricing has ensured that effective medicines remain on the market, often at prices reduced through negotiation. However, less is known about trade-offs of this approach with regard to initial... View Details

Keywords: Market Entry and Exit; Price; Market Timing; Governing Rules, Regulations, and Reforms; Pharmaceutical Industry; United States; Germany

Citation

Register to Read

August, 2022
Article

Billing and Insurance-Related Administrative Costs: A Cross-National Analysis

By: Barak D. Richman, Robert S. Kaplan, Japees Kohli, Dennis Purcell, Mahek Shah, Igna Bonfrer, Brian Golden, Rosemary Hannam, Will Mitchell, Daniel Cehic, Garry Crispin and Kevin A. Schulman

Billing and insurance-related costs are a significant source of wasteful health care spending in Organization for Economic Cooperation and Development nations, but these administrative burdens vary across national systems. We executed a microlevel accounting of these... View Details

Keywords: Health Care Costs; Administrative Costs; Cost; Health Care and Treatment; Health Industry

Citation

Find at Harvard

Register to Read

August 2022
Supplement

Broadway Angels (2022)

By: Jo Tango and Alys Ferragamo

In late June of 2022, Sonja Perkins, co-founder of Broadway Angels, contemplated the group’s future. She and her co-founders, Jennifer Fonstad, and Magdalena Yesil, started the group to gather together the most successful and powerful women in venture capital and... View Details

Keywords: Gender Equity; Impact; Business Startups; Venture Capital; Social and Collaborative Networks; Entrepreneurship; Gender; Mission and Purpose; Groups and Teams; Financial Services Industry

Citation

Purchase

August, 2022
Article

Changing Ingroup Boundaries: The Effect of Immigration on Race Relations in the United States

By: Vasiliki Fouka and Marco Tabellini

How do social group boundaries evolve? Does the appearance of a new outgroup change the ingroup's perceptions of other outgroups? We introduce a conceptual framework of context-dependent categorization, in which exposure to one minority leads to recategorization of... View Details

Keywords: In-group-out-group Relations; Ingroup-outgroup Relations; Immigration; Race; Relationships; United States

Citation

Find at Harvard

Read Now

2022
Working Paper

Consumer Demand with Social Influences: Evidence from an E-Commerce Platform

By: El Hadi Caoui, Chiara Farronato, John J. Horton and Robert Schultz

For some kinds of goods, rarity itself is valued. "Fashionable'" goods are demanded in part because they are unique. In this paper, we explore the economics of rare goods using auctions of limited-edition shoes held by an e-commerce platform. We model endogenous entry... View Details

Keywords: Rare Goods; Scarcity; E-commerce; Consumer Behavior; Auctions

Citation

Read Now

2022
Article

Data Poisoning Attacks on Off-Policy Evaluation Methods

By: Elita Lobo, Harvineet Singh, Marek Petrik, Cynthia Rudin and Himabindu Lakkaraju

Off-policy Evaluation (OPE) methods are a crucial tool for evaluating policies in high-stakes domains such as healthcare, where exploration is often infeasible, unethical, or expensive. However, the extent to which such methods can be trusted under adversarial threats... View Details

Keywords: Analytics and Data Science; Cybersecurity; Mathematical Methods

Citation

Read Now

20 Oct 2022 - 22 Oct 2022
Talk

Evaluative Dynamics: Summarizing Customer Journeys, Interviews, and Lives

By: Julian De Freitas, P. Kim and T. Ullman

Citation

2022
Article

Fairness via Explanation Quality: Evaluating Disparities in the Quality of Post hoc Explanations

By: Jessica Dai, Sohini Upadhyay, Ulrich Aivodji, Stephen Bach and Himabindu Lakkaraju

As post hoc explanation methods are increasingly being leveraged to explain complex models in high-stakes settings, it becomes critical to ensure that the quality of the resulting explanations is consistently high across all subgroups of a population. For instance, it... View Details

Keywords: Prejudice and Bias; Mathematical Methods; Research; Analytics and Data Science

Citation

Read Now

Purchase

Article

Financing Constraints, Home Equity and Selection into Entrepreneurship

By: Thais Laerkholm Jensen, Søren Leth-Petersen and Ramana Nanda

We exploit a mortgage reform that differentially unlocked home equity across the Danish population and study how this impacted selection into entrepreneurship. We find that increased entry was concentrated among entrepreneurs whose firms were founded in industries... View Details

Keywords: Mortgage Reform; Home Equity; Financing Constraints; Entrepreneurs; Entrepreneurship; Mortgages; Denmark

Citation

Find at Harvard

July–August 2022
Article

How Do Disadvantaged Groups Seek Information about Public Services? A Randomized Controlled Trial of Communication Technologies

By: Katerina Linos, Melissa Carlson, Laura Jakli, Nadia Dalma, Isabelle Cohen, Afroditi Veloudaki and Stavros Nikiforos Spyrellis

Governments and NGOs are switching to phone- and Internet-based communication technologies to reduce costs and broaden access to public services. However, these technological shifts can backfire if they exacerbate administrative burden in high-need communities. We... View Details

Keywords: Communication Technology; Income

Citation

Read Now

2022
Book

Making Meritocracy: Lessons from China and India, from Antiquity to the Present

By: Tarun Khanna and Michael Szonyi

How do societies identify and promote merit? Enabling all people to fulfill their potential, and ensuring the selection of competent and capable leaders are central challenges for any society. These are not new concerns. Scholars, educators, and political and economic... View Details

Keywords: Merit; Meritocracy; Society; Government and Politics; History; Power and Influence; Leadership; Competency and Skills; China; India

Citation

Purchase

2022
Article

Nonparametric Subset Scanning for Detection of Heteroscedasticity

By: Charles R. Doss and Edward McFowland III

We propose Heteroscedastic Subset Scan (HSS), a novel method for identifying covariates that are responsible for violations of the homoscedasticity assumption in regression settings. Viewing the problem as one of anomalous pattern detection, we use subset scanning... View Details

Keywords: Scan Statistics; Anomaly Detection; Regression; Model Diagnostics

Citation

Find at Harvard

Purchase

2022
Working Paper

Overreaction and Diagnostic Expectations in Macroeconomics

By: Pedro Bordalo, Nicola Gennaioli and Andrei Shleifer

We present the case for the centrality of overreaction in expectations for addressing important challenges in finance and macroeconomics. First, non-rational expectations by market participants can be measured and modeled in ways that address some of the key challenges... View Details

Keywords: Overreaction; Rational Expectations; Macroeconomics; Market Participation; Social Psychology

Citation

Read Now