English English unit root en:Unit root unit root Definition of I(1) http://en.wikipedia.org/wiki/Unit_root#Unit_root_hypothesis unit root unit root unit roots unit roots Definition of I(1) unit root unit root unit root unit root Definition of I(1) unit root unit root unit root unit root unit root unit root unit root unit root http://en.wikipedia.org/wiki/Unit_root http://en.wikipedia.org/wiki/Unit_root#Unit_root_hypothesis unit root problem unit root unit root English unit root English http://en.wikipedia.org/wiki/Unit_root http://en.wikipedia.org/wiki/Unit_root unit root unit root unit root a unit root unit root unit root hypothesis unit root unit root en:Unit root http://en.wikipedia.org/wiki/Unit_root http://en.wikipedia.org/wiki/Unit_root#Unit_root_hypothesis (en) unit root English unit root http://en.wikipedia.org/wiki/Unit_root Wikipedia notes the debate English http://en.wikipedia.org/wiki/Unit_root unit root Unit Root unit root unit root unit root process unit root unit root regressioni spurie unit root raízes unitárias unit root en.wikipedia.org/wiki/Unit_root Definition of I(1) unit root