Ochiai, Tomoshiro; Nacher, Jose C. - In: Physica A: Statistical Mechanics and its Applications 393 (2014) C, pp. 364-375
Recent financial crises have shown the importance of determining the directionality of the influence between financial assets in order to identify the origin of market instabilities. Here, we analyze the correlation between Japan’s Nikkei stock average index (Nikkei 225) and other financial...