Publications

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Other Unpublished Work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

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

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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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Other Unpublished Work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

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

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: 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

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

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

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 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

September 2006 (Revised February 2007)
Case

Friendster (A)

By: Mikolaj Jan Piskorski and Carin-Isabel Knoop

In January 2006, the president of Friendster needs to choose between two strategic options to revive the company. Friendster started the social networking industry in 2003, but has been overtaken by MySpace and Facebook. The two options are: 1) offer new features to... View Details

Keywords: Value Creation; Competitive Advantage; Corporate Entrepreneurship; Social and Collaborative Networks; Brands and Branding; Service Industry

Article

Power Imbalance, Mutual Dependence and Constraint Absorption: A Closer Look at Resource Dependence Theory

By: Tiziana Casciaro and Mikolaj Jan Piskorski

Despite ubiquitous references to Pfeffer and Salancik's classic volume, The External Control of Organizations, resource dependence theory is more of an appealing metaphor than a foundation for testable empirical research. We argue that several ambiguities in the... View Details

Keywords: Power and Influence; Theory

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