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. In addition, business cycle nonlinearity is a prominent feature of many such series too. A forecaster can nowadays … we examine the forecasting performance of various models for seasonality and nonlinearity using quarterly industrial …
Persistent link: https://www.econbiz.de/10008570605
Nonlinear time series models have become fashionable tools to describe and forecast a variety of economic time series. A closer look at reported empirical studies, however, reveals that these models apparently fit well in-sample, but rarely show a substantial improvement in out-of-sample...
Persistent link: https://www.econbiz.de/10008584688
Outliers and nonlinearity may easily be mistaken. This paper uses Monte Carlo methods to examine and compare the …
Persistent link: https://www.econbiz.de/10008584751
In this paper we put forward a new time series model, which describes nonlinearity and seasonality simultaneously. We …-transition nonlinearity and for time-varying seasonality. We find that the model fits the data well for 14 of the 18 series. We also consider …
Persistent link: https://www.econbiz.de/10008465404