//-->
Examining rational bubbles in global natural gas prices : evidence from frequency domain estimates
Lawal, Adedoyin Isola, (2022)
Unit root properties of natural gas spot and futures prices : the relevance of heteroskedasticity in high frequency data
Mishra, Vinod, (2014)
Chapter 11 Forecasting with Trending Data
Elliott, Graham, (2006)
Testing for unit roots, causality, cointegration, and efficiency: The case of the northwest US natural gas market
Gebre-Mariam, Yohannes Kebede, (2011)