| Summary: | 碩士 === 國立政治大學 === 會計研究所 === 101 === Based on a sample of 1,719 A-share listed companies in China over the period of 2007-2011, this research investigates the impact of internal control efficiency on firm performance. The study comprehensively collects internal control reports released by listed firms and penalties which are released by the China Securities Regulatory Commission (CSRC), the Shanghai Stock Exchange (SSE) and the Shenzhen Stock Exchange (SZSE). A further classification of internal control weaknesses is performed based on the nature of the events, COSO Internal Control — Integrated Framework and regulations of internal control in China.
In summary, the empirical results indicate that, by using the return on assets (ROA) as measurement, firms with internal control weaknesses are significantly underperformed. However, this study doesn’t find that material weaknesses have any impact on firm performance. Moreover, the results show that companies with both defective information announcement and management system and environment have significantly worse performance. Based on the COSO framework, the internal control weaknesses classified by the elements and objectives of internal control, including control activities, information and communication, strategy, financial reporting and compliance, are significantly negative correlated to the firm performance.
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