1、Selecting Macroeconomic Variables as Explanatory Factors of Emerging Stock Market Returns
Bilson, Christopher M.; Brailsford, Timothy J.; Hooper, Vincent J.
Pacific-Basin Finance Journal, August 2001, v. 9, iss. 4, pp. 401-26
2、Empirical Relationship between Macroeconomic Volatility and Stock Returns: Evidence from Latin American Markets
Abugri, Benjamin A.
International Review of Financial Analysis, 2008, v. 17, iss. 2, pp. 396-410
3、Economic Integration and the Co-Movement of Stock Returns 
Pedro Morgado :New University of Lisbon - Faculdade de Economia
José Tavares :Universidad Nova de Lisboa - Faculdade de Economia