[Gretl-users] A time series question
Dear Gretl community,
I have three variables (time series) named x, y and z. I need to know
how "x" changes the impact of "y" on "z". Any suggestions?
Best,
Henrique C. de Andrade
Doutorando em Economia Aplicada
Universidade Federal do Rio Grande do Sul
www.ufrgs.br/ppge