Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic

This paper applies recursive right-tailed unit root tests to detect bubble activity for Turkish Lira against financially most-traded five currencies (i.e., the US Dollar (USD/TRY), the British pound (GBP/TRY), the Euro (EUR/TRY), the Chinese Yuan (CNY/TRY) and the Russian Ruble (RUB/TRY)) over Janu...

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Main Author: Onur Özdemir
Format: Article
Language:English
Published: Vilnius University Press 2022-06-01
Series:Ekonomika
Subjects:
Online Access:https://www.journals.vu.lt/ekonomika/article/view/22642
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author Onur Özdemir
author_facet Onur Özdemir
author_sort Onur Özdemir
collection DOAJ
description This paper applies recursive right-tailed unit root tests to detect bubble activity for Turkish Lira against financially most-traded five currencies (i.e., the US Dollar (USD/TRY), the British pound (GBP/TRY), the Euro (EUR/TRY), the Chinese Yuan (CNY/TRY) and the Russian Ruble (RUB/TRY)) over January 2, 2015 to February 12, 2021. It can be identified from the Supremum Augmented Dickey–Fuller (SADF) and the Generalized Supremum Augmented Dickey-Fuller (GSADF) tests statistics that there is a high degree of evidence of bubble activity which characterizes all five exchange rates both in the full-sample period and in the sub-periods, including the pre-COVID-19 era (January 2, 2015 to November 15, 2019) and the COVID-19 era (November 18, 2019 to February 12, 2021). The empirical results also indicate that positive bubbles are common for each selected exchange rate and the multiple bubbles were intensified during the COVID-19 period, referring that forex markets became relatively more inefficient compared to the pre-COVID-19 period.
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spelling doaj.art-7e2c53ef41e44311ba484bcce74c5f472022-12-22T00:47:59ZengVilnius University PressEkonomika1392-12582424-61662022-06-01101110.15388/Ekon.2022.101.1.8Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 PandemicOnur Özdemir0Istanbul Gelisim University, Turkey This paper applies recursive right-tailed unit root tests to detect bubble activity for Turkish Lira against financially most-traded five currencies (i.e., the US Dollar (USD/TRY), the British pound (GBP/TRY), the Euro (EUR/TRY), the Chinese Yuan (CNY/TRY) and the Russian Ruble (RUB/TRY)) over January 2, 2015 to February 12, 2021. It can be identified from the Supremum Augmented Dickey–Fuller (SADF) and the Generalized Supremum Augmented Dickey-Fuller (GSADF) tests statistics that there is a high degree of evidence of bubble activity which characterizes all five exchange rates both in the full-sample period and in the sub-periods, including the pre-COVID-19 era (January 2, 2015 to November 15, 2019) and the COVID-19 era (November 18, 2019 to February 12, 2021). The empirical results also indicate that positive bubbles are common for each selected exchange rate and the multiple bubbles were intensified during the COVID-19 period, referring that forex markets became relatively more inefficient compared to the pre-COVID-19 period. https://www.journals.vu.lt/ekonomika/article/view/22642Exchange RateBubble FormationForex MarketCOVID-19Right-Tailed Unit Root Test
spellingShingle Onur Özdemir
Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic
Ekonomika
Exchange Rate
Bubble Formation
Forex Market
COVID-19
Right-Tailed Unit Root Test
title Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic
title_full Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic
title_fullStr Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic
title_full_unstemmed Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic
title_short Foreign Exchange Volatility and the Bubble Formation in Financial Markets: Evidence From The COVID-19 Pandemic
title_sort foreign exchange volatility and the bubble formation in financial markets evidence from the covid 19 pandemic
topic Exchange Rate
Bubble Formation
Forex Market
COVID-19
Right-Tailed Unit Root Test
url https://www.journals.vu.lt/ekonomika/article/view/22642
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