A causal knowledge-based expert system for planning an Internet-based stock trading system

► This study describes a causal knowledge-based expert system. ► This study describes FCM for planning an Internet-based stock trading system. ► The case base consists of the qualities of ISTS use, ISTS use, and user satisfaction. ► This study uses structural equation modeling to estimate the relevant relationships. ► This study develops rules for the identification of the qualities for performance.