| Summary: | 碩士 === 淡江大學 === 會計學系 === 89 === This study examined the hypotheses that implementing quality assurance system improved the financial performance of firms. Besides, we also used a sample of ISO registered firms to empirical test hypotheses relating abnormal financial performance associated with implementation of quality assurance system to various firm characteristics. The characteristics examined are firm size, the degree of capital intensity, the proportion of export sales and the timing of obtaining certification.
Our main results are as follow:
1.The Financial Per-formance of the Firms that have implemented quality assurance system perform are better than before.
2. Firms exist a time lag to improve their financial perfor-mance after
obtaining certification.
3. After implementing quality assurance system, there is weakly evidence to indicate that during the post-certification
period smaller firms do better than larger firms.
4. After implementing quality assurance system, the firms with higher proportion of export sales do better than lower ones during post-certification period.
5. After implementing quality assurance system, Lower capital intensity firms do better than higher capital intensity firms in cost reduction.
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