Susana, García Ruiz Reyna; Salvador, Cruz Aké; … - In: Contaduría y Administración 59 (2014) 4, pp. 137-166
In this paper, based on the concept of Shannon entropy, we propose a measure of market efficiency by using the empirical density function of returns. Under certain conditions of ergodicity and stationarity, it is shown that the sample entropy converges to the entropy of the dominant state. It is...