行為財務學(Behavioral Finance)興起後,各種心理偏誤開始逐漸受到重視,股票交易行為中給現「過度自信」(Over-Confident)確實男性女性有差別,性別在投資行為中所扮演的角色亟待系統性地深入探討。本研究首度針對台灣股市投資人進行問卷調查分析,實證發現女性持樂觀態度之比重顯著低於男性,自信程度也較男性為低;女性較男性投資人更明顯地出「惜售賠錢股票、急售獲利股票」的處置效應傾向(Disposition Effect);女性的投資決策也較容易受過去賺錢、賠錢經驗的影響。此一發現對於學街上「性別議題」之發展應具重要意義;在實務上,對於投資信託業者在行銷策略中將性別納入市場區隔與商品設計之考量因素,也具有十分具體的策略涵義和參考價值。
Following the rising of Behavioral Finance, various psychological biases have earned great attention. With the evidence that male investors are more overconfident than female, the impacts of gender seem worthy of further exploration. This study is the first to make a great scale survey on Taiwanese individual stock investors with regard to the genderfs role in investment. We find that female is less optimistic, less confident than male, but more subject to personal experience and disposition effects-selling winners too early and riding losers for too long. This finding is very important to the gender issues in Behavioral Finance and to the marketing and segregation in the financial sector.