Risk premium Arbitrage pricing 1 Broker call rate 1 Business cycles 1 Call money rate 1 E21 1 E22 1 E32 1 Expected excess option return 1 Kelly criterion 1 Margin loans 1 Mean-reverting processes 1 Monopoly pricing 1 Net interest margin 1 Precautionary 1 Recession 1 Stochastic correlation 1 Stock index option 1 System of PDE 1 Systematic equity risk 1 Vasicek model 1