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- Publications
- Influence
Informed trading before analyst downgrades: Evidence from short sellers
- Stephen E. Christophe, M. Ferri, J. Hsieh
- Economics
- 2010
This paper studies short-selling prior to the release of analyst downgrades in a sample of 670 downgrades of Nasdaq stocks between 2000 and 2001. We find abnormal levels of short-selling in the three… Expand
A Theory of Merger-Driven IPOs
We propose a model that links a firm’s decision to go public with its subsequent takeover strategy. A private bidder does not know its true valuation, which affects its gain from a potential… Expand
Determinants and Implications of Arbitrage Holdings in Acquisitions
- J. Hsieh, Ralph A. Walkling
- Economics
- 1 September 2005
This study investigates arbitrage activities and their impact on acquisitions. The literature contains arguments for both passive and active roles of arbitrageurs during the takeover process. Larcker… Expand
Insiders' Tax Preferences and Firms' Choices between Dividends and Share Repurchases
This paper investigates whether corporate payout policy is associated with insiders' share holdings and their tax preferences. We find that insider ownership and the implied tax liabilities are… Expand
Shareholder Voting Rights in Mergers and Acquisitions
This paper studies the determinants and the role of shareholder voting rights in mergers and acquisitions. Comparing deals with acquirer shareh older voting rights with those without from 1990 to… Expand
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Future directions in CT technology.
- S. Fox, L. Tanenbaum, S. Ackelsberg, H. He, J. Hsieh, H. Hu
- Medicine
- Neuroimaging clinics of North America
- 1 August 1998
Progress in helical CT acquisition and processing over the last 5 years has lead to new applications and new requirements. Recent progress to meet these requirements is discussed in this article. The… Expand
The Importance of Blockholder Heterogeneity: Security Market Effects and Follow-on Activities
- J. Hsieh, T. D. King
- Business
- 1 February 2019
Recent research on blockholders focuses on activist hedge funds and documents positive stock but negative bond returns. This study investigates the role of blockholder heterogeneity on security… Expand
The History and Performance of Concept Stocks
- J. Hsieh, Ralph A. Walkling
- Economics
- 1 September 2006
We analyze the history and performance of concept stocks, defined as stocks whose current valuation appears out of line with tradition valuation metrics. Although the obvious current example is… Expand
How Informative are Analyst Recommendations and Insider Trades
This study jointly evaluates the informativeness of insider trades and analyst recommendations. We show that the two activities often generate contradictory signals. Insiders in aggregate buy more… Expand
Short Selling and Cross-Section of Corporate Bond Returns
- Stephen E. Christophe, M. Ferri, J. Hsieh, T. D. King
- Business
- 8 April 2015
This paper examines the relationship between short selling in the equity market and corporate bond returns. We show that both shorting activity and size of short trades are inversely correlated with… Expand