FINANZMÄRKTE; INVESTITIONSANALYSE; MODELLIERUNG SPEZIFISCHER PROBLEME DER WIRTSCHAFT (OPERATIONS RESEARCH); STOCHASTISCHE OPTIMIERUNG (OPERATIONS RESEARCH); LÉVYPROZESSE (STOCHASTISCHE PROZESSE); FINANCIAL MARKETS; INVESTMENT ANALYSIS; MODELING OF SPECIFIC ASPECTS OF THE ECONOMY (OPERATIONS RESEARCH); STOCHASTIC PROGRAMMING (OPERATIONS RESEARCH); LÉVY PROCESSES (STOCHASTIC PROCESSES)