Capital Asset Pricing Model in Portugal: Evidence from Fractal Regressions
Ladislav Kristoufek, Paulo Ferreira
Portuguese Economic Journal, vol. 17, 2018, p. 173-183.

The Poverty Effect of Remittance Flows: Evidence from Georgia
Ainura Uzagalieva, António Gomes de Menezes
Post Communist Economies, vol. 21, 2009, p. 453-474.