9Angelos Kanas and Athanasios P. Papadopoulos, " Asymmetric Volatility Spilloversbetween Stock Market and RealActivity: Evidence from the UK and the US." Panoecomicas, no.4, 2010.
10Frank Westerhoff, Interactions between the Real Economy and the Stock Market: A Simple Agent -Based Approach, Hindawi Publishing Corporation: Discrete Dynamics in Nature and Society, 2012.