| Summary: | 碩士 === 中原大學 === 企業管理研究所 === 82 === The capital adequacy of the bank is preliminary condition for
the stability of the financial system . The Basle
Committee''s intention to impose , across international
boundaries , a minimum level of risk-based capital. The
banking law has been modified that the risk-based capital
has reguired as 8% in 1989 . The detail regulation about the
properties and calculating of the risk-based capital . The
third event is the primary event . We use the event stduy
methodoloyg , the abnormal returns were calculaed for each day
of each event period , using the maarket model . We employ the
seemingly unrelated regression (SUR) technique to measure the
magnitude of abnormal returns on the three annoucemnet dates
of the risk-based capital requiremnet , the wealth effects
were measured with cu- mmulative abnormal returns , the
risky effects were measured with the variance of stock returns.
The purpose of this paper is to examine empirically the
shareholder wealth and risky effects around the annoucements of
three regulatory events. In the first event , the wealth
effects had wealth losses and significant different , the
risky effects had no significant difference . In the second
event , the wealth effects had walth losses and significant
difference, the risky effects had no significant difference. In
the third event , the wealth effects had walth losses and
significant difference , the risky effects had credit riks
and significant difference.
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