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| Title: | 應計項目與非財務指標異常現象之探討 |
| Other Titles: | Accrual-Based and Non-Financial Indicators Anomalies |
| Authors: | 曹壽民;翁慈青;黃仲賢
Tsao,Shou-Min;Weng,Tzu-Ching;Huang,Chung-Shen |
| Contributors: | 會計系 |
| Keywords: | 專利權;商標權;非財務指標異常現象;應計項目異常現象
Patents;Trademark;Non-Financial Indicators Based Anomaly;Accrual-Based Anomaly |
| Date: | 2008-02 |
| Issue Date: | 2014-04-14 17:39:26 (UTC+8) |
| Abstract: | 本研究旨在探討股市是否能正確評估應計項目與非財務指標的價值。我們結合專利權與商標權資訊，作為非財務指標的替代變數。實證結果發現，我國股市會同時高估應計項目與非財務指標的價值。然而我們進一步發現，結合應計項目與非財務指標異常現象所獲得的超額報酬將會大於只基於應計項目或非財務指標異常現象所獲得的報酬。
This study investigates whether Taiwan`s stock market precisely prices accrual component of earnings and non-financial indicators. If accrual-based and non-financial indicators anomalies co-exist and they represent different forms of market anomalies respectively, we further investigate whether they can be combined into a joint strategy to exploit both anomalies to earn larger abnormal returns than those associated the individual anomalies. Sloan (1996) indicates that stock market misprices accrual component of earnings in U.S. stock market. However, due to different accounting standards, the measurement of accruals and the returns implications of accrual are both potentially different between U.S and Taiwan. We hereby raise the question that whether there is also accrual anomaly in Taiwan stock market. Because of the decline in the informativeness of financial statements for security returns (Collins et al., 1997; Lev and Zarowin, 1999), disclosure issues related to non-financial indicators have grown in importance in recent years. The increased emphasis on the disclosure of non-financial indicators raises the question of whether stock market precisely prices non- financial indicators. In an efficient market, the stock prices reflect fully non-financial indicators for future earnings. Hence, there should be no association between non-financial indicators and future return. However, an extensive literature has developed challenging assumption of market efficiency for financial statements (Sloan, 1996; Bernard and Thomas, 1990). Meanwhile, many firms also devote intensive marketing efforts to promote many nonfinancial indicators. It raises the question whether the stock market under or over react to non-financial indicators. The main findings that emerge from this study are as follows. First, with respect to accrual anomaly, the empirical results show that the persistence of current earnings performance is decreasing in the magnitude of the accrual component of arnings. The stock market fails to appreciate the fact that accrual component of earnings is less persistent than cash flow component. Consequently, firms with relatively high(low) levels of accruals result in negative (positive) future abnormal stock returns. Second, with respect to market efficiency for non-financial indicators, we combined patents and trademarks as a proxy for non-financial indicators. The empirical results show that the stock market overstates the contribution of non-financial indicators for future earnings. Therefore, the trading strategy taking a long position in the stocks of firms reporting low non-financial indicators and a short position in the stock of firms reporting high non-financial indicators generates positive abnormal returns. Finally, with respect to the joint strategy exploiting two anomalies, the accrual anomaly and the non-financial indicators anomaly appear to capture different mispricing phenomenon. Thus, the joint trading strategy exploiting both the accrual anomaly and non-financial indicators anomaly significantly increases the magnitude of abnormal returns than those based on individual trading strategy. Our study makes two contributions to the extant literatures. First, we find that accrual anomaly also exists in Taiwan`s stock market. Second, we contribute to the literature on exploring the relation between stock prices and non-financial indicators. The empirical results show that the stock market overstates the value of trademark and patent. To the extent such abnormal returns imply that there are costs associated with the limited disclosure of information on patent and trademark (i.e., quality or potential benefit of patent and trademark), we believe that our findings can potentially strengthen standard setting body during their deliberations on standardizing or enhancing the disclosure of non-financial indicators. |
| Relation: | 管理學報,25(1),85-107 |
| Data Type: | article |
| Appears in Collections: | [會計學系] 期刊論文
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