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Wyszukujesz frazę "Structural breaks" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Structural breaks in natural gas consumption and economic growth in Nigeria: evidence from new time series tests that allow for structural breaks
Autorzy:
Galadima, Mukhtar Danladi
Aminu, Abubakar Wambai
Powiązania:
https://bibliotekanauki.pl/articles/1375514.pdf
Data publikacji:
2019
Wydawca:
Międzynarodowy Instytut Innowacji Nauka – Edukacja – Rozwój w Warszawie
Tematy:
Structural Breaks
Structural Breaks Testing
Estimation with Breaks
Natural Gas Consumption
Economic Growth
Nigeria
Opis:
This paper analyzed the issue of structural breaks in natural gas consumption and economic growth in Nigeria. The newly residual augmented least squares (RALS-LM) unit root test with breaks also known as “RALS-LM test with trend breaks and non-normal errors” proposed by Meng-Lee-Payne (2017) and the new structural breaks testing proposed by Kejriwal–Perron (2010) are among the tools used for the investigation. Our empirical findings provide significant evidence that the series of natural gas consumption and economic growth are stationary with one or two trend breaks. Furthermore, the investigation identified significant incidences of structural breaks in the relationship between natural gas consumption and economic growth in 1990, 2004, 2009 and all the break dates were found to be significant. The evaluation of the sub-sample periods based on the break dates revealed that the first and second breaks are potential while the last is destructive. Moreover, the estimate of the long-run elasticity is significant where a 1% increase in natural gas consumption induces the growth of Nigerian economy by 0.15% and all the dummies that represent the breakpoints are also significant where the 2004 break had a bigger effect among other breaks. The implication of the results is that shocks in the series of natural gas consumption and economic growth in Nigeria have transitory effect, modeling the relationship between natural gas consumption and economic growth in Nigeria without taking structural breaks into consideration could produce biased and unreliable statistical results, and there is economically significant dependence of the Nigerian economy on natural gas consumption.
Źródło:
International Journal of New Economics and Social Sciences; 2019, 9(1); 273-290
2450-2146
2451-1064
Pojawia się w:
International Journal of New Economics and Social Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Asymmetric Response to Oil Price and Dynamic Covariation between Exchange Rate and Stock Price: Evidence from China
Autorzy:
Ahmed, Nazeer
Dingchou, Ma
Onodje, Patrick
Powiązania:
https://bibliotekanauki.pl/articles/1193400.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Asymmetric Effects
MGARCH
NARDL
Spillover effects
Structural Breaks
Opis:
This paper's purpose is to test for asymmetry in the effect of oil price on China's exchange rate and stock price in the presence of structural breaks. It also sought to examine if dynamic covariation and volatility spillover exists between the exchange rate and stock price. We utilized weekly time series data on Brent and WTI prices, the USD-RMB exchange rate, and Shanghai composite index ranging from 2005-07-19 to 2020-09-22. We applied the Nonlinear ARDL for asymmetry tests and the BEKK-GARCH and DCC-GARCH for volatility spilloever analysis. Our methodology also accounts for possible breaks in the time paths of exchange rate and stock price that are likely to influence cointegration. The results show that oil price has asymmetric effects on exchange rate in the long-run only and on stock price in the short-run only. We also find that oil price cointegrates significantly with exchange rate and stock price only when structural breaks in the data are accounted for. The multivariate GARCH analyses provide no evidence of spillovers between exchange rate and stock prices but the DCC estimates showed evidence of dynamic correlation between both. Although several other studies have researched the nexus among the three variables for China, none, to the best of our knowledge, has explicitly tested for short-run and long-run asymmetries in the effect of oil price on exchange rate and stock market jointly. The paper's main contribution is the evaluation of asymmetry in oil price's effects on both markets vis-à-vis the theory while accounting for structural breaks.
Źródło:
World Scientific News; 2021, 156; 62-86
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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