ADAPTIVE ALGORITHMS (CONTROL SYSTEMS THEORY); ADAPTIVE ALGORITHMEN (THEORIE DER REGELUNGSSYSTEME); MODELING OF SPECIFIC ASPECTS OF THE ECONOMY (OPERATIONS RESEARCH); MODELLIERUNG SPEZIFISCHER PROBLEME DER WIRTSCHAFT (OPERATIONS RESEARCH); INTERAKTIVE SYSTEME + ONLINE-SYSTEME (INFORMATIONSSYSTEME); PORTFOLIO MANAGEMENT (UNTERNEHMENSFÜHRUNG); PORTFOLIO MANAGEMENT (BUSINESS MANAGEMENT); PORTFOLIOTHEORIE (OPERATIONS RESEARCH); INTERACTIVE SYSTEMS + ONLINE SYSTEMS (INFORMATION SYSTEMS); PORTFOLIO SELECTION (OPERATIONS RESEARCH); RISK AVERSION (OPERATIONS RESEARCH); RISIKOAVERSION (OPERATIONS RESEARCH)