Some methods for the evaluation of parameter constancy in cointegrated vector autoregressive (VAR) models are discussed. Two different ways of re-estimating the VAR-model are proposed; one in which all parameters are estimated recursively based upon the likelihood function for the first...

The life-cycle framework is the standard way that economists think about the intertemporal allocation of time, effort and money. The framework has a venerable history in the economics profession with roots in the in…nite horizon models of Ramsey (1926) and Friedman (1957) and the …nite...