Purpose – The purpose of this paper is to empirically test dominant theories and assumptions in behavioral finance, using data from the Standard & Poor's 500 index. Design/methodology/approach – The empirical analysis has three parts: to test the assumption of risk aversion; to examine the...

Purpose – The purpose of this paper is to present a realistic hedging model. Design/methodology/approach – The paper uses a general utility function, general distributions, and a multiple-input technology. Findings – The study finds that the impact of one or both risks on the optimal...

Purpose – The purpose of this paper is to generalize input-hedging models. Design/methodology/approach – Using a general utility function and general probability distributions, the paper extends the Paroush-Wolf and Alghalith theoretical models by including two risky (hedged) inputs....