EViews.com

I am using EViews 7. I am trying to estimate a smooth transition model (STVAR or STAR) proposed by Auerbach & Gorodnichenko that is: http://i41.tinypic.com/34rsv0z.png Where X is a three dimensional vector including G (government spending), T(taxes) and Y(gdp, output). Pi_r and Pi_e are multipli...