Broll, Udo; Welzel, Peter; Kit, Pong Wong - 2014
competitive firm that faces joint price and inflation risk. Given that the price risk is negatively correlated with the inflation … risk in the sense of expectation dependence, the firm optimally opts for an overhedge if the firm's coefficient of relative … risk aversion is everywhere no greater than unity. Furthermore, banning the firm from forward trading may induce the firm …