scholarly journals The heterogeneous effect of democracy, economic and political globalisation on renewable energy

2021 ◽  
Vol 250 ◽  
pp. 03006
Author(s):  
Oleksiy Lyulyov ◽  
Tetyana Pimonenko ◽  
Alexey Kwilinski ◽  
Yana Us
Keyword(s):  
Renewable Energy ◽  
Unit Root ◽  
Labour Force ◽  
Unit Root Test ◽  
Panel Cointegration ◽  
Data Bank ◽  
Scientific Discussion ◽  
Augmented Dickey Fuller ◽  
Dynamic Ols ◽  
Economic Institute

This paper summarises the arguments and counterarguments within the scientific discussion on international cooperation’s role in combatting climate change and its impacts. The primary purpose of the research is to determine renewable energy development reliance on democracy and globalisation levels. The objects for analysis are Ukraine and countries with different democracy regimes: full democracy (Finland, Denmark, Spain), flawed democracy (Poland, Slovakia, Hungary, and the Czech Republic) and hybrid democracy (Ukraine, Turkey and Montenegro). To gain the research goal, the authors examined data on the share of renewable energy, GDP per capita, labour force and gross fixed capital formation from 2012 to 2019. The data was retrieved from the Eurostat database, World Data Bank, KOF Swiss Economic Institute and the Economist Intelligence Unit. The following methods and tests were used: Levin, Lin, and Chu test; Augmented Dickey-Fuller Fisher and PhillipsPerron Fisher unit root test; Im, Pesaran, Shin’s panel unit root tests. The authors used the Pedroni test to cointegration among variables. The Fully Modified OLS and Dynamic OLS panel cointegration techniques were applied to evaluate a statistically significant longer-term relationship between variables. The findings confirmed that for countries with the hybrid regime, the changes in political and economic globalisation provoked the rapid growth of renewable energy compare with countries from full and flawed democracy.

scholarly journals The evaluation of output convergence in several Central and Eastern European countries

Ekonomika ◽  
2015 ◽  
Vol 94 (1) ◽  
pp. 42-51
Author(s):  
Simionescu M.
Keyword(s):  
Unit Root ◽  
Unit Root Test ◽  
Regression Coefficients ◽  
Small Data ◽  
Eastern European ◽  
The European Union ◽  
Data Set ◽  
Central Eastern Europe ◽  
Augmented Dickey Fuller ◽  
Eastern European Countries

The main objective of this study is to check the convergence in output for six countries from Central-Eastern Europe that are also members of the European Union. A slow convergence was obtained only for Greece during 2003–2012, for the rest of the countries (Bulgaria, Croatia, Hungary, Poland and Romania) the divergence being observed. The regression coefficients were estimated using bootstrap simulations in order to solve the problem of a small data set. However, the graphical representations suggested a convergence for Bulgaria and Romania, the assumption proved also by the application of the Augmented Dickey Fuller unit root test. There is no evidence of the convergence of each country towards Greece, this country having a specific evolution of its GDP with higher values than the rest of the countries.

scholarly journals Impact of Public Capital Expenditure on Inflation Rate in Nigeria

2021 ◽  
Vol 2 (4) ◽  
pp. 30-39
Author(s):  
Jideofor Nnennaya Joy ◽  
Michah Chukwuemeka Okafor ◽  
Eke Onyekachi Abaa
Keyword(s):  
Unit Root ◽  
Inflation Rate ◽  
Capital Expenditure ◽  
Unit Root Test ◽  
Public Capital ◽  
Distributed Lag ◽  
Autoregressive Distributed Lag ◽  
Mixed Order ◽  
Augmented Dickey Fuller ◽  
The Impact

This paper examines the impact of public capital expenditure on inflation rate in Nigeria. The data for the study were sourced from various issues of the Central Bank of Nigeria’s statistical bulletin. The data was subjected to unit root test using Augmented Dickey fuller (ADF) approach to ascertain the time series properties. Descriptive statistics was used to assess the socioeconomic characteristics of the variables. Due to the mixed order of integration witnessed in the unit root, ARDL- Autoregressive Distributed Lag approach was used for cointegration and regression analysis. The result found that Public capital expenditure is negatively and statistically significant (tcal = -2.903) in influencing Inflation Rate in Nigeria. This outcome is highly directional in the sense that prudent and productive spending will always subdue inflation in any economy; therefore, this study recommend that government should increase its investment in production sectors and encourage skilful and willing citizens to participate, since this would reduce the expenses being incurred on business as a result low currency value and raise the profitability of firms.

scholarly journals Analysis of the Effects of Climate Change on Maize Production in Mali

2021 ◽  
pp. 42-52
Author(s):  
Abdoulaye Maïga ◽  
Moussa Bathily ◽  
Amadou Bamba ◽  
Issoufou Soumaïla Mouleye ◽  
Mamadi Sissako Nimaga
Keyword(s):  
Climate Change ◽  
Unit Root ◽  
Correction Term ◽  
Unit Root Test ◽  
Negative Effects ◽  
Maize Production ◽  
Distributed Lag ◽  
Adequate Food ◽  
Augmented Dickey Fuller

The objective of this paper is to analyze the effects of climate change on maize production in Mali during the period 1990-2020. The unit root test (augmented Dickey-Fuller) was used to check the order of integration between the variables in the study. The ARDL (autoregressive distributed lag) approach to cointegration limits is applied to assess the association between the study variables with evidence of a long-term relationship. The unit root test estimates confirm that all variables are stationary at the combination of I(0) and I(1). The results show that precipitation and temperature in June and July have a negative and highly significant effect on maize production in both the short and long term analyses. Among other determinants, the area of land devoted to maize crops and GDP per capita have a positive effect on production. The estimated coefficient on the error correction term is also highly also highly significant As Mali's population grows, in the coming decades the country will face food security challenges. Possible initiatives are needed to configure the Malian government to address the negative effects of climate change on agriculture and ensure adequate food for the growing population.

scholarly journals RIPPLE EFFECT AND REGIONAL HOUSE PRICES DYNAMICS IN CHINA

2016 ◽  
Vol 20 (4) ◽  
pp. 397-408 ◽  
Author(s):  
Chi-Chuan LEE ◽  
Chien-Chiang LEE ◽  
Shu-Hen CHIANG
Keyword(s):  
Unit Root ◽  
House Prices ◽  
Unit Root Test ◽  
Unit Root Tests ◽  
Ripple Effect ◽  
Seemingly Unrelated Regressions ◽  
Long Run ◽  
Equilibrium Relationship ◽  
Augmented Dickey Fuller ◽  
Long Run Equilibrium

This paper examines the stationarity properties, the long-run equilibrium and the leadlag relationship among the regional house prices in China from December 2000 to July 2013. Unlike traditional unit-root tests, the panel seemingly unrelated regressions augmented Dickey-Fuller (SURADF) unit-root test reveals that the regional house prices in China are a mixture of I(0) and I(1) processes. There is concrete evidence in favor of the hypothesis of a long-run equilibrium relationship among all regions, except for Shanghai region, and supporting the price diffusion or ripple effect among these Chinese cities. Finally, we determine that these regional house prices exhibit uni-directional causalities running from Beijing, Chongqing, and Shenzhen to Guangzhou and Tianjin, respectively.

scholarly journals THE IMPACT OF PERSISTENT CYCLES ON ZERO FREQUENCY UNIT ROOT TESTS

2013 ◽  
Vol 29 (6) ◽  
pp. 1289-1313 ◽  
Author(s):  
Tomás del Barrio Castro ◽  
Paulo M.M. Rodrigues ◽  
A.M. Robert Taylor
Keyword(s):  
Unit Root ◽  
Unit Root Test ◽  
American Statistical Association ◽  
Unit Root Tests ◽  
Statistical Association ◽  
Finite Sample ◽  
Finite Sample Properties ◽  
Augmented Dickey Fuller ◽  
Frequency Unit ◽  
The Impact

In this paper we investigate the impact of persistent (nonstationary or near nonstationary) cycles on the asymptotic and finite-sample properties of standard unit root tests. Results are presented for the augmented Dickey–Fuller (ADF) normalized bias and t-ratio-based tests (Dickey and Fuller, 1979, Journal of the American Statistical Association 745, 427–431; Said and Dickey, 1984; Biometrika 71, 599–607). the variance ratio unit root test of Breitung (2002, Journal of Econometrics 108, 343–363), and the M class of unit-root tests introduced by Stock (1999, in Engle and White (eds.), A Festschrift in Honour of Clive W.J. Granger) and Perron and Ng (1996, Review of Economic Studies 63, 435–463). We show that although the ADF statistics remain asymptotically pivotal (provided the test regression is properly augmented) in the presence of persistent cycles, this is not the case for the other statistics considered and show numerically that the size properties of the tests based on these statistics are too unreliable to be used in practice. We also show that the t-ratios associated with lags of the dependent variable of order greater than two in the ADF regression are asymptotically normally distributed. This is an important result as it implies that extant sequential methods (see Hall, 1994, Journal of Business & Economic Statistics 17, 461–470; Ng and Perron, 1995, Journal of the American Statistical Association 90, 268–281) used to determine the order of augmentation in the ADF regression remain valid in the presence of persistent cycles.

scholarly journals Comparative Study of the Impact of Oil Rent on Healthcare in Nigeria and Cameroon: A Three Stage Methodical Approach

2019 ◽  
pp. 58-63
Author(s):  
EWUBARE, Dennis Brown ◽  
OBAYORI, Elizabeth Lizzy
Keyword(s):  
Rural Areas ◽  
Unit Root ◽  
Capital Expenditure ◽  
Unit Root Test ◽  
Panel Cointegration ◽  
Cointegration Test ◽  
Panel Unit Root ◽  
Long Run ◽  
Oil Rents ◽  
The Impact

The study comparatively examined the impact of oil rent on healthcare in Nigeria and Cameroon from 1995 to 2015. The objectives of the study are to; study the trend of oil rents and healthcare in Nigeria and Cameroon; examine the relationship between oil rent and healthcare of Nigerians and Cameroonians and determine the impact of mineral rent on the healthcare of Nigeria and Cameroon. To achieve these objectives panel data were collected on health, oil rent and mineral rent and analyzed using the econometric techniques of panel unit root test and panel cointegration test as well as graphical method. The panel unit root and cointegration test showed that all the series are indeed stationary and have long run equilibrium relationship. Comparatively, the graph showed that the rents from oil in Nigeria are lower than that of Cameroon. Also, Cameroon performs better in rents from minerals than Nigeria. Thus, Cameroon capital expenditure on health has steadily increased since 1995 up to 2015 while Nigeria seems not to take healthcare expenditure serious hence the dismal performance in the infant mortality rates. Based on the findings, it is recommended that revenue from oil should be towards inclusive growth, thereby impacting significantly on the healthcare and welfare of the citizens. Thus, there should be investment in primary as well as maternal health in the rural areas for the disadvantaged in society.

scholarly journals UNIT ROOT TEST IN A THRESHOLD AUTOREGRESSION: ASYMPTOTIC THEORY AND RESIDUAL-BASED BLOCK BOOTSTRAP

2008 ◽  
Vol 24 (6) ◽  
pp. 1699-1716 ◽  
Author(s):  
Myung Hwan Seo
Keyword(s):  
Unit Root ◽  
Null Hypothesis ◽  
Unit Root Test ◽  
Block Bootstrap ◽  
Finite Sample ◽  
Threshold Autoregression ◽  
Augmented Dickey Fuller ◽  
Simplifying Assumptions ◽  
Adf Test ◽  
Threshold Process

This paper develops a test of the unit root null hypothesis against a stationary threshold process. This testing problem is nonstandard and complicated because a parameter is unidentified and the process is nonstationary under the null hypothesis. We derive an asymptotic distribution for the test, which is not pivotal without simplifying assumptions. A residual-based block bootstrap is proposed to calculate the asymptoticp-values. The asymptotic validity of the bootstrap is established, and a set of Monte Carlo simulations demonstrates its finite-sample performance. In particular, the test exhibits considerable power gains over the augmented Dickey–Fuller (ADF) test, which neglects threshold effects.

Sign in / Sign up

Export Citation Format

Share Document