by Mikolaj J. Piskorski - Publications - Faculty & Research

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

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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

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2008
Working Paper

The Strength of Peripheral Ties: Maintaining Status When Firms Lose Resources

By: Mikolaj J. Piskorski and Bharat N. Anand

This paper examines conditions under which high-status firms can retain their positions, even if they lose resources. Firms are considered high status when they obtain ties from other high-status firms. Among high-status firms, we distinguish between those that also... View Details

Keywords: Venture Capital; Resource Allocation; Rank and Position; Status and Position; Financial Services Industry; United States

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