García-Belmonte, Lizeth; Ventosa-Santaulària, Daniel - In: Statistics & Probability Letters 81 (2011) 12, pp. 2004-2010
We present asymptotic and finite-sample arguments to study the spurious regression problem. This problem may be solved by introducing a lurking variable in the specification even if it is merely a proxy variable. Moreover, this approach is also valid if the lurking variable is a trending...