https://orcid.org/0000-0002-4775-9378
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ABSTRACT
The primary purpose of this article is to conduct the Fourier Nonlinear Unit Root Test to check Purchasing Power Parity (PPP) for seven cryptocurrencies traded in seventeen countries from 2010 to 2021. The unit root test supports the PPP hypothesis when we use each cryptocurrency separately for all the countries. However, the PPP hypothesis is strongly supported when we pool them together by countries and cryptocurrencies. This finding is in line with the power of the test issue of the PPP for regular PPP testing, which also holds good in cryptocurrencies.
Acknowledgment
Grateful acknowledgment is made to the Editor and two anonymous reviewers for providing us with valuable suggestions that have greatly helped improve the quality of the revised version. However, the authors are responsible for all the errors, if there are any.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Data availability
Data and programs have been made available for reviewers.