by Mikolaj Piskorski - Publications - Faculty & Research - Harvard Business School

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2007
Other Unpublished Work

Positions of Power and Status: Reciprocity in the Venture Capital Industry

By: Mikolaj Jan Piskorski

This paper proposes a straightforward way of differentiating between central network positions that confer power from those that confer status. I argue that actors achieve high status by receiving numerous exchanges from actors who receive numerous exchanges from... View Details

Keywords: Venture Capital; Power and Influence; Opportunities; Status and Position

January 2007 (Revised October 2007)
Case

Procter & Gamble: Organization 2005 (A)

By: Mikolaj Jan Piskorski and Alessandro L. Spadini

In response to a huge crisis in 2000, the new CEO of Procter & Gamble has to decide whether to continue with an unusual organizational design or to revert to the old matrix organization. Describes all the organizational designs used by Procter & Gamble from the 1920s... View Details

Keywords: Global Strategy; Globalized Firms and Management; Organizational Design; Organizational Structure

2008
Working Paper

Structural Closure and Exposure: Formation of Structural Inequality in Managerial Labor Markets

By: Mikolaj Jan Piskorski

Positional advantages arise when actors obtain rewards attached to positions they occupy, but these rewards are not merited by their performance. Existing theory suggests that in competitive markets there should be no positional advantages. This paper proposes a model... View Details

Keywords: Compensation and Benefits; Jobs and Positions; Managerial Roles; Performance Improvement; Alignment; Competitive Advantage; Equality and Inequality

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

2014
Book

A Social Strategy: How We Profit from Social Media

By: Mikolaj Jan Piskorski

Almost no one had heard of social media a decade ago, but today websites such as Facebook, Twitter, and LinkedIn have more than 1 billion users and account for almost 25 percent of Internet use. Practically overnight, social media seems indispensable to our lives—from... View Details

Keywords: Internet and the Web; Web; Strategy; Marketing Strategy; Social Marketing

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April 2009
Case

Young Presidents' Organization

By: Mikolaj Jan Piskorski, John D. Macomber and David Chen

The board of Young Presidents' Organization needs to decide on the future of its Networks Initiative, designed to connect its geographically dispersed membership base through 60 different interest-based networks. So far, one half of these networks have been considered... View Details

Keywords: Decision Choices and Conditions; Governing and Advisory Boards; Leadership Development; Growth and Development Strategy; Organizations; Social and Collaborative Networks

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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

July 2008
Case

eHarmony

By: Mikolaj Jan Piskorski, Hanna Halaburda and Troy Smith

eHarmony's CEO needs to decide how to react to imitations of its business model, encroachment by competing models, and ascendance of free substitutes. The case provides four options to address these threats and asks students to choose one after they analyzed the... View Details

Keywords: Business Model; Decision Choices and Conditions; Growth and Development Strategy; Industry Structures; Competitive Strategy; Competitive Advantage; Service Industry

2011
Other Unpublished Work

Networks as Covers: Evidence from On-Line Social Networks

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

2008
Working Paper

Positions of Power and Status: Reciprocity in the Venture Capital Industry

By: Mikolaj J. Piskorski

This paper proposes a straightforward way of differentiating between central network positions that confer power and those that confer status. I argue that actors achieve high status by receiving numerous exchanges from actors who in turn receive numerous exchanges... View Details

Keywords: Venture Capital; Partners and Partnerships; Power and Influence; Social and Collaborative Networks; Status and Position; Financial Services Industry; United States

January 2010 (Revised February 2012)
Case

Meetup

By: Mikolaj Jan Piskorski and David Chen

Meetup, an on-line company providing means of arranging face-to-face meetings, is deciding between two options of increasing its revenue by investing to: (i) increase new sign ups, (ii) improve the engagement of existing users. View Details

Keywords: Business Growth and Maturation; Decision Choices and Conditions; Business Strategy; Web Services Industry

February 2008 (Revised March 2008)
Teaching Note

LinkedIn (TN) (A) and (B)

By: Mikolaj Jan Piskorski

In the summer of 2005, LinkedIn, a two-year-old start-up, was choosing between two options to monetize its 5 million business people network. Members could contact each other through trusted intermediaries on the network to offer or seek jobs, consulting engagements,... View Details

Keywords: Business Startups; Social and Collaborative Networks; Internet and the Web; Financing and Loans; Revenue; Design; Service Operations

2008
Working Paper

Structural Closure and Exposure: Market Reactions to Announcements of Acquisitions and Divestitures

By: Mikolaj Jan Piskorski and Nitin Nohria

This paper develops an exchange-network perspective on corporate diversification and proposes two measures of corporate scope: structural closure and structural exposure. Structural closure focuses on exchanges of goods and services inside the firm... View Details

Keywords: Mergers and Acquisitions; Market Transactions; Diversification; Boundaries; Valuation

January 2010 (Revised January 2014)
Case

Twitter

By: Mikolaj Jan Piskorski, David Chen, Bill Heil and Aaron Smith

Twitter is a micro-blogging company that allows users to send short text updates to others. The site is used by people, including celebrities, government officials, and businesses. It helps to raise money for non-profit organizations and provides first-responders with... View Details

Keywords: Blogs; Revenue; Information Publishing; Growth and Development Strategy; Social and Collaborative Networks; Web

April 2012 (Revised March 2014)
Case

Social Strategy at Nike

By: Mikolaj Jan Piskorski and Ryan Johnson

Nike, which first started experimenting with social media and networking in 2004, has been consistently reducing its spending on traditional advertising. Yet, Nike has not pulled back on its overall marketing budget, instead opting to focus on "nontraditional"... View Details

Keywords: Strategy; Advertising Campaigns; Social and Collaborative Networks; Online Advertising; Apparel and Accessories Industry; Sports Industry

2013
Working Paper

Separating Homophily and Peer Influence with Latent Space

By: Joseph P. Davin, Sunil Gupta and Mikolaj Jan Piskorski

We study the impact of peer behavior on the adoption of mobile apps in a social network. To identify social influence properly, we introduce latent space as an approach to control for latent homophily, the idea that "birds of a feather flock together." In a series of... View Details

Keywords: Social Influence; Social Network; Mobile App; Peer Effects; Latent Homophily; Latent Space; Proxy Variables; Familiarity; Behavior; Consumer Behavior; Applications and Software; Social and Collaborative Networks; Mobile and Wireless Technology; Power and Influence; Social Media

March 2009 (Revised September 2013)
Case

Yelp

By: Mikolaj Jan Piskorski, David Chen and Aaron Smith

Yelp was a popular online destination for reviews of local establishments, written by volunteer Internet users and read by 60 million people per month. However, the company was far from profitable. The CEO needs to decide between two options to increase the revenue.... View Details

Keywords: Digital Marketing; Business Model; Profit; Revenue; Marketing Strategy; Sales; Internet and the Web; Advertising Industry

14 Nov 2006
First Look

First Look: November 14, 2006

source software ("OSS"). What drives companies with large, proprietary software portfolios to invest hundreds of millions of dollars in OSS? We approach this question by grouping a sample of OSS projects into clusters and... View Details

Keywords: Sean Silverthorne

March 2013
Module Note

Competing with Social Networks: Social Failures

By: Mikolaj Jan Piskorski

March 2013 (Revised March 2013)
Course Overview Note

Competing with Social Networks: Overview

By: Mikolaj Jan Piskorski

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