Similarity - Publications - Faculty & Research

Research Summary

Surviving the Global Financial Crisis: Foreign Ownership and Establishment Performance

We examine the differential response of establishments to the recent global financial crisis with particular emphasis on the role of foreign ownership. Using a worldwide establishment panel dataset, we investigate how multinational subsidiaries around the world... View Details

Forthcoming
Article

The Anatomy of a Hospital System Merger: The Patient Did Not Respond Well to Treatment

By: Raffaella Sadun, Martin Gaynor, Adam Sacarny, Chad Syverson and Shruthi Venkatesh

Despite the continuing US hospital merger wave, it remains unclear how mergers change, or fail to change, hospital behavior and performance. We open the “black box” of hospital practices through a mega-merger between two for-profit chains. Benchmarking the merger's... View Details

Keywords: Performance Improvement; Mergers and Acquisitions; Health Industry

Forthcoming
Article

The Disappearing Index Effect

By: Robin Greenwood and Marco Sammon

The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

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Forthcoming
Article

The Double-Edged Sword of Exemplar Similarity

By: Majid Majzoubi, Eric Zhao, Tiona Zuzul and Greg Fisher

We investigate how a firm’s positioning relative to category exemplars shapes security analysts’ evaluations. Using a two-stage model of evaluation (initial screening and subsequent assessment), we propose that exemplar similarity enhances a firm’s recognizability and... View Details

Keywords: Natural Language Processing; Analytics and Data Science; Performance Evaluation