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  • 2011
  • Working Paper

Quantity vs. Quality: Exclusion by Platforms with Network Effects

By: Andrei Hagiu
This paper provides a simple model of platforms with direct network effects, in which users value not just the quantity (i.e., number) of other users who join, but also their average quality in some dimension. A monopoly platform is more likely to exclude low-quality... View Details
Keywords: Multi-sided Platforms; Exclusion; Quality And Quantity; Cost; Governing Rules, Regulations, and Reforms; Network Effects; Market Participation; Digital Platforms; Monopoly; Quality; Motivation and Incentives; Strategy
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  • 2020
  • Working Paper

Preventing Social Exclusion of Immigrants in Finland

By: Marco Tabellini, Michela Carlana, Matti Sarvimaki and Mikko Silliman
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  • 2023
  • Working Paper

Market Exclusivity and Innovation: Evidence From Antibiotics

By: Edward Kong and Olivia Zhao
The US incentivizes drug innovation via patents as well as market exclusivity periods awarded by the US Food and Drug Administration. We estimate the causal effects of extending market exclusivity for an important drug class: antibiotics. Using a... View Details
Keywords: Health Testing and Trials; Innovation and Invention; Motivation and Incentives; Government Administration; Government Legislation; Pharmaceutical Industry; United States
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  • Awards

J-PAL European Social Inclusion Initiative Grant for “Teachers at Work: Preventing Social Exclusion of Immigrants” (with Michela Carlana, Matti Sarvimaki, and Mikko Silliman)

By: Marco E. Tabellini
Recipient of a 2019 J-PAL European Social Inclusion Initiative Grant for “Teachers at Work: Preventing Social Exclusion of Immigrants” with Michela Carlana, Matti Sarvimaki, and Mikko Silliman. View Details
  • Article

Feeling Authentic Serves as a Buffer Against Rejections

By: F. Gino and M. Kouchaki
Social exclusion is a painful yet common experience in many people’s personal and professional lives. This research demonstrates that feeling authentic serves as a buffer against social rejection, leading people to experience less social pain. Across five studies,... View Details
Keywords: Authenticity; Social Exclusion; Threat; Decision Making; Perception; Relationships
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  • January 2022 (Revised March 2022)
  • Case

Chinese Restriction, Violence, and Exclusion in the United States

By: Tom Nicholas, Boyang Han and Tomas Rosales
Many early Chinese immigrants to the United States during the 1850s worked as traditional gold miners, but as gold mining declined in significance, an increasing number were employed as laborers for large scale construction projects such as railroads, roadways, and in... View Details
Keywords: Immigration Acts; Immigration; Labor; Jobs and Positions; Race; Social Issues; Laws and Statutes
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  • 2024
  • Working Paper

The Impact of the Chinese Exclusion Act on the U.S. Economy

By: Joe Long, Carlo Medici, Nancy Qian and Marco Tabellini
This paper investigates the economic consequences of the 1882 Chinese Exclusion Act, which banned immigration from China. The Act reduced the number of Chinese workers of all skill levels living in the United States. It also reduced the labor supply and the quality of... View Details
Keywords: Growth; Productivity; Economic Development; Business History; Economic Slowdown and Stagnation; Business and Government Relations; Prejudice and Bias; Government Legislation; Immigration; United States
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  • 2008
  • Working Paper

The Future of Social Enterprise

By: V. Kasturi Rangan, Herman B. Leonard and Susan McDonald

The Future of Social Enterprise considers the confluence of forces that is shaping the field of social enterprise, changing the way that funders, practitioners, scholars, and organizations measure performance. We trace a growing pool of potential funding sources to... View Details

Keywords: Social Entrepreneurship; Investment; Philanthropy and Charitable Giving; Performance Effectiveness; Social Enterprise; Consolidation; Value
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  • 14 Sep 2023
  • Blog Post

MBAs Accelerate Their Social Enterprise Ventures

The Social Enterprise Accelerator is offered to students in the summer between their first and second year, supporting student founders in the development of their social impact startup. During the summer of... View Details
  • 03 Jul 2008
  • Working Paper Summaries

The Future of Social Enterprise

Keywords: by V. Kasturi Rangan, Herman B. Leonard & Susan McDonald
  • 2013
  • Working Paper

Networks as Covers: Evidence from an On-Line Social Network

By: Mikolaj Jan Piskorski
This paper proposes that networks give actors a cover by giving them the excuse of sociability to engage in normatively prohibited market behaviors. I apply this hypothesis to actors in long-term exclusive relationships who are surreptitiously seeking new relationships... View Details
Keywords: Strategy; Behavior; Ethics; Relationships; Social and Collaborative Networks
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  • 10 Apr 2015
  • News

America’s failing report card for social progress

  • Web

Social Media - Alumni

Instagram. The School's primary hashtag is #HBS. To add a class-based hashtag, use #HBS11 or #HBSAMP12. REQUEST A LOGO HBS has developed exclusive graphics for affiliates' social media sites. Administrators... View Details
  • Web

Rising Leaders for Social Impact Forum | Social Enterprise | Harvard Business School

exclusively for MBA students with a social enterprise focus – those who have a demonstrated commitment prior to HBS (could be any sector) and a goal of continued exploration or commitment to View Details
  • Web

Social Enterprise - Faculty & Research

Social Enterprise Social Enterprise April 2013 Article Who Is Governing Whom? Executives, Governance, and the Structure of Generosity in Large U.S. Firms By: Christopher Marquis and Matthew Lee We examine... View Details
  • Video

Banu Özkazanç-Pan presents "DEI and Entrepreneurship: Power, Social Capital and Networks"

  • July 2021
  • Article

Structuring Local Environments to Avoid Diversity: Anxiety Drives Whites' Geographical and Institutional Self-Segregation Preferences

By: Eric Anicich, Jon M. Jachimowicz, Merrick Osborne and L. Taylor Phillips
The current research explores how local racial diversity affects Whites’ efforts to structure their local communities to avoid incidental intergroup contact. In two experimental studies (N=509; Studies 1a-b), we consider Whites’ choices to structure a fictional,... View Details
Keywords: Segregration; Structural/institutional Racism; Organizational Exclusion; Diversity; Race; Organizations; Local Range; Prejudice and Bias
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  • 03 Feb 2018
  • Op-Ed

How to Heed BlackRock's Call for Corporate Social Responsibility

attempt to incorporate a social purpose frequently have to deal with competing market demands that still push them to focus exclusively on financial performance. We must take action to create an ecosystem... View Details
Keywords: by Julie Battilana
  • February 2002 (Revised July 2004)
  • Case

Note on Deregulation and Social Obligations: Universal Services, Access Pricing and Competitive Dynamics in U.S. Telecommunications

Can deregulation and the unleashing of competitive forces be combined with continued social obligations such as a duty to serve? This note uses the experience of U.S. telecommunications to illustrate the existence and influence of social obligations. Recognizing these... View Details
Keywords: Governance Compliance; Social Issues; Telecommunications Industry
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  • Research Summary

Business and Low Income Sectors: The Creation of Economic and Social Value

In the last three decades, innovative commercial solutions have emerged in developing nations focusing on providing effective responses to the hugely underserved needs of low-income populations, both as consumers as well as active participants in productive value... View Details