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Monotonicity restrictions used in a system of early warnings applied to monthly economic data
(University of Gothenburg, 1999-04-01)
When making political decisions, the ability to make correct predictions about the behaviour of the business cycle in the future is important. The ability to forecast business cycles determines the success of, for example, ...
On monotonicity and early warnings with applications in economics
(University of Gothenburg, 1999-01-01)
In this report a method for monitoring time series with cycles is presented. It is a nonparametric approach for detecting the turning point of the cycles. Time series of business indicators often exhibit cycles that can ...
Monotonicity aspects on seasonal adjustment
(University of Gothenburg, 1999-03-01)
Monotonicity is an important property in time series analysis. It is often of interest to know if the seasonal adjustment method used has altered the monotonicity or changed the time of turning points in a time series that ...