臺大管理論叢第31卷第3期

122 The Study of Gambling Preference, Trading Pattern and Excess Comovement in Lottery-Like Stock Returns 解釋變數 LOTTERY_BETA 模式1 PRICE_BETA 模式2 SKEW_BETA 模式3 VOL_BETA 模式4 β3 PRICE×LOT -0.105 β4 PRICE×LOT 0.273*** β1 SKEW×LOT -0.483*** β2 SKEW×LOT -0.123 β3 SKEW×LOT -0.189* β4 SKEW×LOT 0.082 β1 VOL×LOT -0.241*** β2 VOL×LOT 0.366*** β3 VOL×LOT -0.117*** β4 VOL×LOT 0.858*** DJACKPOT -0.148*** -0.190*** -0.076 0.008 LOT×DJACKPOT 0.101 0.392*** 0.275* 0.001 β1 LOT×LOT×DJACKPOT -0.098 β2 LOT×LOT×DJACKPOT 0.220 β3 LOT×LOT×DJACKPOT 0.348* β4 LOT×LOT×DJACKPOT -0.448* β1 PRICE×LOT×DJACKPOT 0.014 β2 PRICE×LOT×DJACKPOT 0.321 β3 PRICE×LOT×DJACKPOT -0.418 β4 PRICE×LOT×DJACKPOT -0.511*** β1 SKEW×LOT×DJACKPOT -0.052 β2 SKEW×LOT×DJACKPOT 0.430 β3 SKEW×LOT×DJACKPOT -0.472 β4 SKEW×LOT×DJACKPOT -0.559*** β1 VOL×LOT×DJACKPOT 0.261** β2 VOL×LOT×DJACKPOT -0.253 β3 VOL×LOT×DJACKPOT -0.108 β4 VOL×LOT×DJACKPOT -0.112 控制變數 YES YES YES YES 調整後 R2 0.037 0.044 0.024 0.073 註: 本表呈現樂透市場引人關注事件如何改變投資人買賣超共變對超額報酬共變的影響。引人關注樂

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