Franchi, Massimo; Paruolo, Paolo - In: Econometrics : open access journal 9 (2021) 3, pp. 1-27
This paper discusses the notion of cointegrating space for linear processes integrated of any order. It first shows that the notions of (polynomial) cointegrating vectors and of root functions coincide. Second, it discusses how the cointegrating space can be defined (i) as a vector space of...