| Summary: | 碩士 === 銘傳大學 === 金融研究所 === 88 === We adopted 48 domestic banks in Taiwan during from 1984 to 1999. The analysis covers 11 merger event during the 1990s, and try to find the effect for acquiring banks.
At First, the studies using the principal component method to analyze 22 financial ratios for 40 banks form 1994 to 1996. Including three capital adequacy ratios, three liquidity ratios, six earnings capacity ratios, six operation efficiency ratios, and four growth ratios. Use the result of principal component to design a model to estimate the operation performance of a bank. And, according to the performance to rank the relative performance. The study also conducts Wilcoxon Signed Rank tests to determine whether banks involved in mergers have positive effect on operating performance.
The results are summarized as follows:
(1) After mergers, acquiring banks do not have significantly differences relative to whole domestic banks. The synergy doesn’t happen in twelve months.
(2) In the month of merger, there is a significantly difference in growth dimension, a little difference in liquidity dimension and earnings capacity dimension.
(3) There are some substitute effects in different dimensions, especially for the capital adequacy dimension and the liquidity dimension.
(4) For different dimensions, there is no consistency between the positive effect banks and negative effect banks.
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