1 Stationarity and unit Root testing WHy do we need to test for Non-Stationarity? The stationarity or otherwise of a series can strongly influence its behaviour and properties -e.g. persistence of shocks will be infinite for nonstationary series Spurious regressions. If two variables are trending over
1、中国意念词(Chinesenesses)八卦 trigram阴、阳yin,yang道 Daocf.logo)江湖(世界) the jianghu World(the traits'worlde.g. . You cant' control everything in traits'world.人在江湖,身不由己道 Daoism(Taoism)