税负效应与除息日股票价格行为研究——来自A股市场的实证证据

本文基于我国A股市场相关数据对除息日股价行为的税负效应进行全面检验,实证结果表明股息和资本利得税率对除息日股价波动行为具有显著影响,税负效应理论存在于A股市场,但除息日股价波动行为不能完全由税负效应进行解释,另外实证研究还发现我国A股市场不存在税收诱导客户效应。     

Momentum Profitability and Market Trend: Evidence from REITs

This study investigates Real Estate Investment Trusts’ momentum returns in different market states, and explains the momentum phenomenon with a risk-based dividend growth theory of Johnson (Journal of Finance 57:585–608, 2002). Our results show that momentum returns of REITs are higher during up markets. This study finds that winners’ dividend/price ratios are higher than those of losers, and momentum returns are positively correlated with the difference between winners’ and losers’ dividend/price ratios. We also find that momentum returns are higher after the legislation change of REITs in 1992, and that dividend/price ratios of REITs are also higher after 1992, suggesting that a persistent shock to REIT’s dividend/price ratios in 1992 partly explains REITs’ higher momentum returns after 1992. In sum, results of this study suggest that momentum returns of REITs can be jointly explained by a time-varying factor (market state) and a cross-sectional variance in dividend yields.

会计可靠性原则的盈余相关性及市场定价——来自沪、深股市的经验证据

本文以中国证券市场2001至2004年期间的上市公司为对象,考察了公司会计可靠性原则的盈余相关性及其市场定价。我们首先考察基于收付实现制的现金收益和基于权责发生制的应计总额的相对盈余相关性,并考察市场定价是否对两者的计量可靠性差异做出反映。在此基础上,我们进一步着重考察具有较高可靠性的非融资性流动负债和较低可靠性的非融资性流动资产,考察其盈余相关性及市场定价。 研究发现,基于收付实现制的现金收益具有更高的盈余相关性,但市场表现出存在利润“功能锁定”现象,并未对其做出反映。非融资性流动负债具有正的盈余相关性,非融资性流动资产具有负的盈余相关性。二者相比较,会计可靠性计量原则与盈余相关性具有显著正相关关系。从市场定价角度看,市场给予了非融资性流动负债正的定价、非融资性流动资产负的定价。即市场符合“幼稚投资者”假说,市场给予了会计可靠性原则正的定价,但其显著程度尚比较弱,在加入各种控制变量之后,其显著程度进一步弱化。     

Have Equity REITs Experienced Periodically Collapsing Bubbles?

This paper uses the momentum threshold autoregressive (MTAR) model and the residuals-augmented Dickey–Fuller (RADF) test to examine the possibility of Evans’ (1991) periodically collapsing bubbles in the equity REIT market. The results are mixed. The MTAR model indicates that overall real equity REIT prices and dividends are cointegrated with asymmetric adjustment towards the long-run equilibrium. However, the estimated coefficients of the MTAR model do not indicate the presence of periodically collapsing bubbles. Adjustment in the standard cointegration tests of bubbles for skewness and excess kurtosis via the RADF test fails to reject the null hypothesis of no cointegration, leaving the possibility of periodically collapsing bubbles. The MTAR and RADF results with respect to equity REIT sub-sectors are mixed. Lodging is the only sub-sector in which both the MTAR and RADF results support periodically collapsing bubbles. Moreover, market fundamentals proxied by two alternative measures of capacity utilization do not explain either real equity REIT prices or dividends.     

The wealth effects of real estate transactions: The case of REITs

Recent literature analyzing corporate acquisitions and sales of real estate has shown that statistically significant gains accrue to both buyers and sellers when the transaction is announced. In this paper, we focus solely on the real property transactions of tax-qualified Real Estate Investment Trusts (REITs) to determine if REIT shareholders experience a similar pattern of positive wealth effects. We find that REITs do not experience any significant wealth effects from transaction announcements. However, we provide evidence that a significant positive wealth effect does occur upon the announcement of a sale transaction when the sale is associated with an increase in REIT dividends.     

How Much Do REITs Pay for Their IPOs?

Previous studies have documented the reversal in the initial returns of REIT IPOs from overpricing in the 1980s to underpricing in the 1990s. We find that the gross spreads of REIT IPOs decreased significantly in the 1990s. In particular, there is a bimodal clustering for gross spreads at 6.5 and 7.0%. Moreover, in the 1980s around 94% of REIT IPOs had integer offer prices, most of which were priced at either $10 or $20. However, the proportion of integer offer prices decreased to 64% in the 1990s. Higher gross spreads, overpricing, and high frequency of integer offer prices for REIT IPOs in the 1980s are consistent with the marketing hypothesis that in the 1980s REIT IPOs were mainly marketed to less-informed individual investors. Our results explain the dynamic process employed by underwriters in the setting of gross spreads and the pricing of REIT IPOs as a new financial product in response to various structural changes in REITs.     

Stock and Bond Liquidity and its Effect on Prices and Financial Policies

An asset is liquid if it can be traded at the prevailing market price quickly and at low cost. We show that in addition to risk, liquidity affects asset prices and returns. Theories of asset pricing suggest that the expected return of an asset is increasing in its risk, because risk-averse investors require compensation for bearing more risk. Because investors are also averse to the costs of illiquidity and want to be compensated for bearing them, asset returns are increasing in illiquidity. Thus, asset prices should depend on two asset characteristics: risk and liquidity. This paper surveys research on the effects of liquidity on asset prices and returns, showing that liquidity is an important factor in capital asset pricing.     

Tick size change on the Stock Exchange of Thailand

This paper explores the impact of an exogenous tick size reduction on bid-ask spreads, depths, and trading volume on the Stock Exchange of Thailand (SET). On November 5, 2001, the SET implemented a tick size reduction on stocks priced below THB 25. Even though trading on SET is largely dominated by retail investors, the tick reduction produces similar empirical results found in markets where institutional investors are more dominant. Tick reduction on the SET is associated with declines in spreads, and quoted and accumulated market depths. The study finds no significant change in trading volume due to the reduction.

IFRS Adoption and Stock Prices of Japanese Firms in Governance System Transition

This study examines firms' decision to voluntarily adopt IFRS in a setting where there are changes to the governance system in a traditionally code law country, as well as how the market responds to such decisions. We find the probability of voluntary IFRS adoption to be higher among firms that have a high proportion of foreign shareholders, undertake quality audits, have low levels of leverage, feature a nominating committee, and are included in the new market index. In addition, the stock prices of IFRS adopters tend to increase around the announcement date of IFRS adoption, compared to those of non-adopters. Finally, market reactions are smaller for firms that feature a nominating committee, and are included in the new market index—perhaps because IFRS adoption by these firms is less surprising to market participants, and because IFRS adoption is not expected to add large incremental value to these firms.     

Stock Prices,Earnings, and Expected Dividends

Long historical averages of real earnings help forecast present values of future real dividends. With aggregate U.S. stock market data (1871–1986), a vector-autoregressive forecast of the present value of future dividends is, for each year, roughly a weighted average of moving-average earnings and current real price, with between two thirds and three fourths of the weight on the earnings measure. We develop the implications of this for the present-value model of stock prices and for recent results that long-horizon stock returns are highly forecastable.     

Does Post-Earnings-Announcement Drift in Stock Prices Reflect A Market Inefficiency? A Stochastic Dominance Approach

This paper uses a stochastic dominance approach to test for market efficiency following earnings announcements. We find that the stocks that recently announced good earnings news stochastically dominate those that recently announced bad news. The results cast serious doubt on any belief that asset pricing model misspecifications might explain post-earnings-announcement drift.     

Tick Size,Share Prices,and Stock Splits

Minimum price variation rules help explain why stock prices vary substantially across countries, and other curiosities of share prices. Companies tend to split their stock so that the institutionally mandated minimum tick size is optimal relative to the stock price. A large relative tick size provides an incentive for dealers to make markets and for investors to provide liquidity by placing limit orders, despite its placing a high floor on the quoted bid-ask spread. A simple model suggests that idiosyncratic risk, firm size, and visibility of the firm affect the optimal relative tick size and thus the share price.     

Selective Publicity and Stock Prices

I examine how media coverage of good and bad corporate news affects stock prices, by studying the effect of investor relations (IR) firms. I find that IR firms “spin” their clients' news, generating more media coverage of positive press releases than negative press releases. This spin increases announcement returns. Around earnings announcements, however, IR firms cannot spin the news and their clients' returns are significantly lower. This pattern is consistent with positive media coverage increasing investor expectations, creating disappointment around hard information. Using reporter connections and geographical links, I argue that IR firms causally affect both media coverage and returns.     

Free Cash Flow,Issuance Costs,and Stock Prices

We develop a dynamic model of a firm facing agency costs of free cash flow and external financing costs, and derive an explicit solution for the firm's optimal balance sheet dynamics. Financial frictions affect issuance and dividend policies, the value of cash holdings, and the dynamics of stock prices. The model predicts that the marginal value of cash varies negatively with the stock price, and positively with the volatility of the stock price. This yields novel insights on the asymmetric volatility phenomenon, on risk management policies, and on how business cycles and agency costs affect the volatility of stock returns.     

优化股市政策化解股市失灵

目前我国股市缺乏吸引力源于股市失灵,其特征为市场机制失灵和政府政策失灵共存.股市失灵的真正原因总是归根为政策失灵.化解股市失灵关键是采取积极的态度,不断改革、创新,从根本上消除股市理论失灵,以优化政策资源配置,促进我国股市健康、稳定发展.     

Stock Prices and Financial Analysts' Recommendations

The recommendations of a Canadian brokerage house are evaluated by a number of techniques. The results reveal that an investor following the recommendations would have achieved significantly positive abnormal returns, even after allowing for transactions cost.     

After-Hours Stock Prices and Post-Crash Hangovers

After-hours pricing in foreign equity markets of multiple-listed U.S. securities appeared to be efficient in predicting New York prices in the weeks immediately following the October 1987 crash but relatively uninformative in succeeding months. By contrast, daily changes in New York prices appear to be efficiently incorporated in after-hours trading on both the Tokyo and London exchanges throughout the sample period. This paper suggests that the asymmetry and temporal variations in cross-market correlations are consistent with rational investor behavior in equity markets with nonzero transaction costs and time-varying share price volatility.     

Interest Rate Surprises and Stock Prices

This paper examines the impact of unexpected changes in the federal funds target on stock prices from 1988 to 2001. Measures of interest rate surprises are constructed from survey data and changes in the 3-month T-bill yield. I find that surprises associated with decreases in the target cause stock prices to rise significantly. Surprises associated with increases in the target increase stock market volatility on the announcement day, with volatility reverting to pre-surprise levels on the day after the announcement. This volatility pattern is only evident since 1994. An implication is that concerns about immediate disclosure causing persistent and heightened stock market volatility might be misplaced.