Testing the Efficiency of Emerging Markets: Evidence From Nonlinear Panel Unit Tests
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Date
2023
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Journal ISSN
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Publisher
Savez Ekonomista Vojvodine
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Abstract
In this study, we investigate market efficiency considering nonlinear-ities by testing the weak-form market efficiency of the stock markets of Brazil, China, Russia, Turkey, and South Africa using recently proposed nonlinear panel unit root tests. The stock markets of these emerging countries are deliberately selected for their market capitalization to form a homogenous panel. The results of nonlinear models indicate that the stock market indexes are stationary and weak-form inefficient. This finding contributes to the contradictory results of the prior research using linear and nonlinear models about the efficiency of emerging stock markets in favor of nonlinear ones. Furthermore, we propose that studies using financial variables consider such nonlinearity in order to achieve more ac-curacy in findings related to such studies.
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Keywords
Market efficiency, Stock market, Weak-form efficiency, ESTAR models
Turkish CoHE Thesis Center URL
Fields of Science
Citation
WoS Q
Q4
Scopus Q
Q2
Source
Volume
70
Issue
2
Start Page
261
End Page
278