In this paper, we examine stationarity properties of data on budget deficits for a cluster of twenty-seven developing countries (D-27) for the period spanning 1970 to 2003. It has been argued in the literature that this statistical property correlates well with the economic property of...

We develop a method for directly modeling cointegrated multivariate time series that are observed in mixed frequencies. We regard lower-frequency data as regularly (or irregularly) missing and treat them with higher-frequency data by adopting a state-space model. This utilizes the structure of...