Buys-Ballot estimates when stochastic trend is quadratic

Abstract

The Buys-Ballot estimation procedure developed by [3] for time series decomposition when trend-cycle component is linear is extended to cases where trend-cycle component is quadratic. Estimates are derived for the additive and multiplicative models. A simulated example is used to illustrate the methods developed. Buys-ballot estimates are compared with the least squares estimates

Journal of the Nigerian Association of Mathematical Physics Vol. 8 2004: pp. 311-318