• Publications
  • Influence
Endogeneity and the Dynamics of Internal Corporate Governance
We use a well-developed dynamic panel generalized method of moments (GMM) estimator to alleviate endogeneity concerns in two aspects of corporate governance research: the effect of board structure onExpand
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Implications of Data Screens on Merger and Acquisition Analysis: A Large Sample Study of Mergers and Acquisitions from 1992-2009
We analyze a comprehensive set of mergers and acquisitions from SDC data from 1992 through 2009. We do not impose common restrictions such as excluding private bidders, small targets, or dealsExpand
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Forecasting Abnormal Stock Returns and Trading Volume Using Investor Sentiment: Evidence from Online Search ?
We examine the ability of online ticker searches (e.g. XOM for Exxon Mobil) to forecast abnormal stock returns and trading volumes. Specifically, we argue that online ticker searches serve as a validExpand
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Corporate boards and regulation: The effect of the Sarbanes–Oxley Act and the exchange listing requirements on firm value
The Sarbanes-Oxley Act of 2002 and recently modified exchange listing requirements impose uniformly high levels of outside director monitoring on all firms. However, recent research in financeExpand
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Forecasting Residential Real Estate Price Changes from Online Search Activity
The intention of buying a home is revealed by many potential home buyers when they turn to the Internet to search for their future residence. This paper examines the extent to which futureExpand
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The size, concentration and evolution of corporate R&D spending in U.S. firms from 1976 to 2010: Evidence and implications☆
The use of research and development (R&D) spending as an empirical proxy for managerial discretion, information asymmetry and growth opportunities, is pervasive in empirical corporate financeExpand
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Director Networks and Informed Traders
We provide evidence that sophisticated investors like short sellers, option traders, and financial institutions are more informed when trading stocks of companies with more connected board members.Expand
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The Cost of Innovation: R&D and High Cash Holdings in U.S. Firms
We show that R&D investment explains a significant portion of the increase in the average cash-to-assets ratio of U.S. firms, which more than doubled between 1980 and 2012. In 1980, an average firmExpand
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The Role of Corporate Board Structure in Attracting Foreign Investors
A long-recognized phenomenon in capital markets is the underinvestment in foreign equity securities, known as equity home bias. Our study examines the effect of board independence on the firm'sExpand
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How Do Public Companies Adjust Their Board Structures?
We show that public companies frequently changed their board structures before implementation of the Sarbanes–Oxley Act, with two-thirds of firms changing board size or independence during an averageExpand
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