References

• 1988Testing for a Unit Root in Time Series Regression19,288 cited
• 2003Testing for unit roots in heterogeneous panels15,333 cited
• 1981Likelihood Ratio Statistics for Autoregressive Time Series with a Unit Root14,647 cited
• 2002Unit root tests in panel data: asymptotic and finite-sample properties12,832 cited
• 1988Stock Market Prices Do Not Follow Random Walks: Evidence from a Simple Specification Test3,745 cited
• 2004The local power of some unit root tests for panel data2,382 cited
• 1998Testing for a unit root in variables with a double change in the mean918 cited
• 1992Testing for a Unit Root in a Time Series With a Changing Mean: Corrections and Extensions346 cited
• 2020Asymmetric effects of geopolitical risks on energy returns and volatility under different market conditions282 cited
• 2019Gold and crude oil as safe-haven assets for clean energy stock indices: Blended copulas approach245 cited
• 2021Dynamic volatility spillovers across oil and natural gas futures markets based on a time-varying spillover method208 cited
• 2019Cross-quantilogram-based correlation and dependence between renewable energy stock and other asset classes204 cited
• 2021The impact of investor attention during COVID-19 on investment in clean energy versus fossil fuel firms155 cited
• 2019Asymmetric multifractal cross-correlations between the main world currencies and the main cryptocurrencies