ACD models B-splines Bitcoin Box-Cox transformation Coins, banknotes, medals, seals (numismatics) Euro-Dollar GARCH model Griddy-Gibs HARCH model Hill estimator Index parameter Lerner index NPLs PHARCH model Swiss Franc exchange rate Theil index asymptotic banking competition bonds capital asset pricing model characteristic function-based estimator convergence analysis credit risk efficiency estimation estimation of systematic risk financial incentives financial models fractal scaling generalized Birnbaum–Saunders distributions