An Exploratory Study on Nonlinear Causality Among the MILA Markets

Roberto Santillán-Salgado (), Ricardo Massa () and Montserrat Reyna Miranda

Emerging Markets Finance and Trade, 2017, vol. 53, issue 10, 2303-2317

Abstract: According to conventional portfolio theory, an increase in the interconnectedness of international financial markets may reduce the potential for constructing diversified portfolios. This article explores the implications of the creation of the Latin American Integrated Market (MILA)1 over the dependence structure of its members using correlation and cointegration analysis as well as linear and nonlinear Granger causality tests. The creation of MILA aimed to enhance the integration process that Latin American financial markets “naturally” present while still providing diversification opportunities to investors. The results of our empirical analysis suggest that such objective is being achieved. Evidence of a rise in cross-country linear correlations and their linear causal relationship supports the idea of an increasing financial integration process in the region, while the absence of cointegration and the weakening of the nonlinear causal relationship favors the creation of diversified regional portfolios. These findings provide valuable insights for investment portfolio designers, regulators, and supervisors.

Date: 2017
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DOI: 10.1080/1540496X.2017.1308861

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