Publications

Educators

March 2021
Article

International Trade and Social Connectedness

By: Michael Bailey, Abhinav Gupta, Sebastian Hillenbrand, Theresa Kuchler, Robert J. Richmond and Johannes Stroebel

We use de-identified data from Facebook to construct a new and publicly available measure of the pairwise social connectedness between 170 countries and 332 European regions. We find that two countries trade more when they are more socially connected, especially for... View Details

Keywords: Social Connections; International Trade; Trade; Social Media

SSRN

2007
Working Paper

Proprietary vs. Open Two-Sided Platforms and Social Efficiency

By: Andrei Hagiu

This paper identifies a fundamental economic welfare tradeoff between two-sided open platforms and two-sided proprietary (closed) platforms connecting consumers and producers. Proprietary platforms create two-sided deadweight losses through monopoly pricing but at the... View Details

Keywords: Two-Sided Markets; Platforms; Indirect Network Effects; Product Variety; Social Efficiency; Two-Sided Platforms; Network Effects; Welfare or Wellbeing

2021
Working Paper

Assessing the Strength of Network Effects in Social Network Platforms

By: Marco Iansiti

Network effects have risen to the forefront of platform competition discussions (e.g. the House Judiciary investigation of competition in digital markets, claiming that Facebook, for example, is entrenched due to strong network effects and high switching costs). While... View Details

Keywords: Social Networks; Platform Competition; Network Effects; Competition; Social Media; Digital Platforms

01 Apr 2010
News

Leveraging Social Platforms

Keywords: Professor Misiek Piskorski

November 2011
Article

Social Strategies That Work

By: Mikolaj Jan Piskorski

Although most companies have collected lots of friends and followers on social platforms such as Facebook, few have succeeded in generating profits there. That's because they merely port their digital strategies into social environments by broadcasting their commercial... View Details

Keywords: Social Platforms; Social Strategies; Social and Collaborative Networks; Customers; Relationships; Business Strategy; Profit

03 Jan 2022
News

Pushing Social Media Platforms to Self-Regulate

March 2013
Module Note

Competing with Social Networks: Social Platforms

By: Mikolaj Jan Piskorski

March 2013
Module Note

Competing with Social Networks: Social Platforms

By: Mikolaj Jan Piskorski

2008
Working Paper

Platform Competition, Compatibility, and Social Efficiency

By: Ramon Casadesus-Masanell and Francisco Ruiz-Aliseda

Katz and Shapiro (1985) study systems compatibility in settings with one-sided plat- forms and direct network effects. We consider systems compatibility in settings with two-sided platforms and indirect network effects to develop an explanation why markets with... View Details

Keywords: Network Effects; One-Sided Platforms; Two-Sided Platforms; Competition

March 2014
Article

Search Diversion and Platform Competition

By: Andrei Hagiu and Bruno Jullien

Platforms use search diversion in order to trade off total consumer traffic for higher revenues derived by exposing consumers to unsolicited products (e.g., advertising). We show that competition between platforms leads to lower equilibrium levels of search diversion... View Details

Keywords: Market Intermediation; Search; Two-Sided Markets; Platform Design; Platform Competition; Competition; Two-Sided Platforms

12 Feb 2009
Working Paper Summaries

Platform Competition, Compatibility, and Social Efficiency

Keywords: by Ramon Casadesus-Masanell & Francisco Ruiz-Aliseda; Computer

22 Jun 2007
Working Paper Summaries

Proprietary vs. Open Two-Sided Platforms and Social Efficiency

Keywords: by Andrei Hagiu; Video Game; Web Services

5 Jul 2012
Conference Presentation

Social Networks and Customer Strategy

By: Vineet Kumar

Keywords: Social Networking; Social Platforms; Social and Collaborative Networks

February 2021
Article

Platform Diffusion at Temporary Gatherings: Social Coordination and Ecosystem Emergence

By: Tommy Pan Fang, Andy Wu and David R. Clough

Software platforms create value by cultivating an ecosystem of complementary products and services. Existing explanations for how a prospective complementor chooses platforms to join assume the complementor has rich information about the range of available platforms.... View Details

January 3, 2022
Other Article

Pushing Social Media Platforms to Self-Regulate

By: Michael A. Cusumano, David B. Yoffie and Annabelle Gawer

2023
Working Paper

Can Evidence-Based Information Shift Preferences Towards Trade Policy?

By: Laura Alfaro, Maggie X. Chen and Davin Chor

Amid public skepticism about trade, we investigate whether evidence-based information--a concise statement of a research ﬁnding--can shape preferences towards trade policy. Across survey experiments conducted over 2018-2022 on U.S. general population samples, we... View Details

Keywords: Evidence; Preference; Trade Policy; Information; Trade; Policy; Attitudes

TeachingInterests

Competing with Social Networks

MBA EC 1217

Career Focus

Competing with Social Networks is a Strategy class targeted at students considering careers in high technology, entertainment, social media or consumer packaged goods. It will be useful... View Details

13 May 2013
Blog Post

Leveraging the HBS platform to enter social enterprise

professors and fellow students. But I’m also very excited to have the time to truly explore the wide variety of career opportunities out there. Though I go back and forth almost every day, I think that my “dream job” lies somewhere within either the View Details

Keywords: Nonprofit / Government

March 2021
Teaching Note

eToro: Building the World’s Largest Social Trading Network

By: Elie Ofek