equivalent symmetric martingale measure sets, in a dynamic trading framework under absence of prior depending arbitrage. We prove … price systems ; arbitrage ; equivalent symmetric martingale measures set (EsMM set) ; symmetric martingales ; Girsanov for G …We consider fundamental questions of arbitrage pricing arising when the uncertainty model is given by a set of possible …

applied in incentive regulation practice, where the assessment of efficiency plays a major role in regulation design and … and SFA efficiency scores, have certain practical merits and might offer an useful alternative to strict reliance on a …, but can also improve the precision of efficiency estimation. Based on our results, we give recommendations for the …