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The effects of listing changes between NASDAQ market segments |
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| Authors: | Wenbin Tang Hoang H. Nguyen Van T. Nguyen |
| Affiliation: | 1. Department of Business Administration and Economics, Limestone College, 1115 College Drive, Gaffney, SC, 29340, USA 2. Merrick School of Business, University of Baltimore, 1420 N. Charles Street, Baltimore, MD, 21201, USA 3. Department of Accounting and Finance, Earl G. Graves School of Business and Management, Morgan State University, 1700 E. Cold Spring Lane, MM620, Baltimore, MD, 21251, USA |
| Abstract: | This study analyzes the effects of listing changes within NASDAQ market segments during the period of 1998 to 2005. We find that firms phased up from the NASDAQ Small Capital Market (SmallCap) to the NASDAQ National Market (NNM) experienced significant declines in bid-ask spreads, the volatility of returns, and the probability of informed trading, and firms that phased down from NNM to the SmallCap experienced decreases in bid-ask spreads, but insignificant changes in the volatility of returns and the probability of informed trading. We also estimate simultaneous equations models of bid-ask spreads, return volatility, and trading volume for both groups of firms. The results confirm that improved liquidity is associated with the listing changes for the phase-up firms. However, the simultaneous equations model suggests that the decreases in bid-ask spreads for the phase-down firms are caused by the changes in share prices. |
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