Preferred stocks have a higher convexity than conventional bonds. Call options lead to a phenomenon called negative convexity. Negative convexity can actually allow you to profit from preferred stocks ...

This is a preview. Log in through your library . Abstract In this note it is proved that the integral arithmetic mean of a convex function is a Schur-convex function. Applications to Schur-convexity ...

Programming theory is treated initially without any assumptions about the functions and with interpretation for production and activity analysis. By proof of a general theorem about optimal and ...