This note describes the main methodological changes made as a result of the latest annual review of the seasonal adjustments on the monetary aggregates, financial transactions in the flow of funds matrix and other financial series. The revised adjustments were first introduced in the release of the provisional monetary aggregates for November 1990 and are incorporated in the statistics in this issue of the Bulletin. The method of seasonal adjustment now used in the latest update is new in several respects; the changes that have been made are described below. The final section describes some prospective changes in the frequency of future updates.
1990 annual update of seasonal adjustments