Publications

Find at Harvard

2021
Chapter

Towards a Unified Framework for Fair and Stable Graph Representation Learning

By: Chirag Agarwal, Himabindu Lakkaraju and Marinka Zitnik

As the representations output by Graph Neural Networks (GNNs) are increasingly employed in real-world applications, it becomes important to ensure that these representations are fair and stable. In this work, we establish a key connection between counterfactual... View Details

Keywords: Graph Neural Networks; AI and Machine Learning; Prejudice and Bias

July 2021
Article

Redistribution through Markets

By: Piotr Dworczak, Scott Duke Kominers and Mohammad Akbarpour

Policymakers frequently use price regulations as a response to inequality in the markets they control. In this paper, we examine the optimal structure of such policies from the perspective of mechanism design. We study a buyer-seller market in which agents have private... View Details

Keywords: Optimal Mechanism Design; Redistribution; Inequality; Welfare Theorems; Market Design; Equality and Inequality

Find at Harvard

January 2015 (Revised March 2015)
Case

San Francisco, 2015 #tech #inequality

By: Clayton Rose, Allison Ciechanover and Kunal Modi

In December 2013 a group of angry protesters blocked one of the commuter buses provided by the large Silicon Valley firms (known as "Google buses") which was stopped in San Francisco on its way to the company's headquarters 40 miles south. The protests were a tangible... View Details

Keywords: Income Inequality; Economic Inequalty; Technology; Silicon Valley; Income Characteristics; Equality and Inequality; Technology Industry; United States; California; San Francisco

Educators

15 Feb 2014
Conference Presentation

Men as Cultural Ideals: How Culture Shapes Gender Stereotypes

By: Amy Cuddy, Elizabeth Baily Wolf, Peter Glick and Michael I. Norton

Four studies test whether cultural values moderate the content of gender stereotypes, such that male stereotypes more closely align with core cultural values (specifically, individualism vs. collectivism) than do female stereotypes. In Studies 1 and 2, using different... View Details

Keywords: Stereotypes; Gender; United States; South Korea

2011
Working Paper

Matthew: Effect or Fable?

In a market context, a status effect occurs when actors are accorded differential recognition for their efforts depending on their location in a status ordering, holding constant the quality of these efforts. In practice, because it is very difficult to measure... View Details

Keywords: Risk and Uncertainty; Status and Position; Measurement and Metrics; Quality

2008
Book

Revisiting Rental Housing: Policies, Programs, and Priorities

By: Nicolas P. Retsinas and Eric S. Belsky

Rental housing is increasingly recognized as a vital housing option in the United States. Yet government policies and programs continue to grapple with widespread problems, including affordability, distressed urban neighborhoods, poor-quality housing stock,... View Details

Keywords: Governing Rules, Regulations, and Reforms; Policy; Government and Politics; Housing; Renting or Rental; Problems and Challenges; United States

Find at Harvard

Randomized controlled trials (RCTs) inform medical practice, health care delivery, follow-on research, regulation, and health policy. Yet, many RCTs are inadequately randomized, blinded, and reported. To analyze scientists' and firms' incentives to meet clinical trial... View Details

22 Dec 2020
Blog Post

The Forward Fellowship Convinced Me That I Belong at HBS

was accepted: sitting on the floor of the LAX airport (1/10 do not recommend). I was blown away. First, by amazement that Harvard Business School chose me out of all the incredible choices. Second, View Details

17 Sep 2024
Blog Post

The International Experience at HBS: Zoe Sun (MBA 2024)

and the investing world. However, having grown up in mainland China, studied in the US and Europe, and gained an undergraduate degree in Foreign Service, I firmly believe that there is a bigger world out there, and that I should venture to see and View Details

24 Dec 2013
First Look

First Look: December 24

differs by firm ownership. We study CEOs in the Indian manufacturing sector, where family ownership is widespread and the productivity dispersion across firms is substantial. Time use analysis of 356 CEOs of listed firms yields three sets... View Details

Keywords: Carmen Nobel

2023
Article

Probabilistically Robust Recourse: Navigating the Trade-offs between Costs and Robustness in Algorithmic Recourse

By: Martin Pawelczyk, Teresa Datta, Johannes van-den-Heuvel, Gjergji Kasneci and Himabindu Lakkaraju

As machine learning models are increasingly being employed to make consequential decisions in real-world settings, it becomes critical to ensure that individuals who are adversely impacted (e.g., loan denied) by the predictions of these models are provided with a means... View Details

Keywords: AI and Machine Learning; Decision Choices and Conditions; Mathematical Methods

November 2015 (Revised February 2016)
Case

Allianz Turkey: Focus on the Customer (A)

By: W. Earl Sasser and Gamze Yucaoglu

At the age of 39, Solmaz Altın took over the helm at Allianz Turkey. Solmaz quickly realized that, although the insurance market was thinly penetrated in Turkey, the company was operating in a very competitive environment with pressure on prices and, hence, cost... View Details

Keywords: Service Excellence; Customer Experience; Customer Service; Emerging Market; Customer Focus; Net Promoter Score; Customer Relationship Management; Competition; Leading Change; Service Operations; Emerging Markets; Customer Satisfaction; Insurance Industry; Turkey

Educators

2008
Working Paper

I Am Not on the Market, I Am Here with Friends: Using On-Line Social Networks to Find a Job or a Spouse

By: Mikolaj Jan Piskorski

Sociologists have extensively documented that networks influence market exchange through improved matching and vouching. In this paper, I propose that networks can also blunt the signal of market participation, as actors who are on the market surrounded by their... View Details

Keywords: Job Search; Knowledge Use and Leverage; Market Participation; Market Transactions; Social and Collaborative Networks; Online Technology

Research Summary

Overview

By: Kris Johnson Ferreira

Professor Ferreira's research primarily focuses on how retailers can use algorithms to make better revenue management decisions, including pricing, product display, and assortment planning. In the retail industry, anticipating consumer demand is arguably one of the... View Details

Keywords: E-commerce; Analytics; Revenue Management; Pricing; Assortment Planning; Field Experiments; Operations; Supply Chain; Supply Chain Management; Retail Industry

14 Jun 2016
First Look

June 14, 2016

to highlight distinctive features of different professions. The goal is to illuminate similarities and differences with implications for future psychological safety research. To do this, the authors review relevant literature and present... View Details

Keywords: Sean Silverthorne

2020
Chapter

Climate Change Is Going to Transform Where and How We Build

By: John D. Macomber

As fires, floods, and droughts increasingly threaten homes, businesses, and other institutions, climate risk has become financial risk. This implies that homeowners and investors have been making location decisions without properly pricing the cost of potential peril,... View Details

Keywords: Climate Change; Housing; Mortgages; Geographic Location; Real Estate Industry