This study examines both restricted and unrestricted Black-Sholes models, according to Longstaff (1995). Using the Taiwan index options for each day from January 2005 to December 2008, the unrestricted model simultaneously solves the implied index value and implied volatility whereas the...

The prospect theory proposed by (Kahneman and Tversky, 1979) stated that people are risk-averse when faced with profits and risk-loving when faced with loss. Benartzi and Thaler (1995) combined the Myopic Loss Aversion and Mental Accounting in explaining the equity premium puzzle. Gneezy and...

This study examines both restricted and unrestricted Black-Sholes models, according to Longstaff (1995). Using the Taiwan index options for each day from January 2005 to December 2008, the unrestricted model simultaneously solves the implied index value and implied volatility whereas the...