Abstract:
This paper derives a method for estimating and testing the Linear Quadratic Adjustement Cost(LQAC) model when the target variable and some of the forcing variables follow I(2) processes. Based on a forward- looking error-correction formulation of the model it is shown how to obtain strongly consistent estimates of the structural long-run parameters and the adjustement cost parameter from both a linear and a non-linear cointegrating regression,where first- differences of the I(2) variables are included as regressors (multicointegration).