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台灣股市條件資產定價模型之研究

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表 1  Size-BM 投資組合之敘述統計量   BM 1  BM 2  BM 3 Panel A:  月報酬率平均數 (%)  SZ 1  3.613 2.986 3.511  SZ 2  3.039 2.481 2.603  SZ 3 2.486 2.178 2.247  Panel B:  月報酬標準差 (%)  SZ 1   14.405 12.976 14.375  SZ 2   12.657 11.745 13.666  SZ 3 13.102 10.892 13.640  Panel C:
圖 1  Beta 函數-條件 CAPM  註:本圖使用條件 CAPM 與 SZ 2 /BM 2 投資組合,所估計出因子之 Beta 函數曲線(實線)。使用平穩拔靴法, 重複抽取 10000 個樣本,所得到的 95%信賴區間曲線(虛線)。研究樣本為所有在台灣證券交易所 (TSEC)  及財團法人中華民國證券櫃檯買賣中心 (OTC) 交易的公司之股票報酬率及財務資料,樣本期間為 1983 年 7 月到 2006 年 6 月,資料頻率為月資料。  圖 2  Beta 函數-條件二因子模型  註:本圖使用條件二因
圖 3  Beta 函數-條件三因子模型
圖 4  Beta 函數-條件四因子模型
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