
Call:
twoStepsBenchmark(hfserie = turnover, lfserie = construction, 
    include.differenciation = TRUE, include.rho = FALSE, set.coeff = exp(15))


The model includes a differenciation. 

Residuals:
      Min.    1st Qu.     Median    3rd Qu.       Max. 
-231000000 -112900000  -46570000  127200000  331200000 

           Estimate     StdErr t.value p.value   
constant -136503013   37959541  -3.596 0.00207 **
hfserie     3269017         NA      NA      NA   
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 1.655e+08 on 18 degrees of freedom
Multiple R-squared:   0.5,	Adjusted R-squared: 0.4722

Portmanteau:
  statistic p.value                   
u     3.775 0.05203 . || Where Y=X*C+u
