After a comparative study of the Lee-Carter forecasting method and looking into the direct extrapolation of mortality by age and sex, this paper advocates the use of the latter method. The method is, however, supplemented by additional procedures in order to improve its efficiency in the short...

Optimal forecasts are, under a squared error loss, conditional expectations of the unknown future values of interest. When stochastic demographic models are used in macroeconomic analyses, it becomes important to be able to handle updated forecasts. That is, when population development turns out...

This paper presents stochastic projections for 13 categories of social spending in New Zealand over the period 2011-2061. These projections are based on detailed demographic estimates covering fertility, migration and mortality disaggregated by single year of age and gender. Distributional...

Population forecasts are crucial for many social, political and economic decisions. Official population projections rely in general on deterministic models which use different scenarios for future vital rates to indicate uncertainty. However, this technique shows substantial weak points such as...

We present a new way to model age-specific demographic variables with the example of age-specific mortality in the U.S., building on the Lee-Carter approach and extending it in several dimensions. We incorporate covariates and model their dynamics jointly with the latent variables underlying...

We present a new way to model age-specific demographic variables, using the example of age-specific mortality in the United States, building on the LeeCarter approach and extending it in several dimensions. We incorporate covariates and model their dynamics jointly with the latent variables...

Die Medien, die Öffentlichkeit und die Politik gehen seit vielen Jahren von einer demografischen Entwicklung aus, die für Deutschland nichts Gutes verheißt. Die Alterung der Bevölkerung bedroht die sozialen Sicherungssysteme, führt zu Fachkräftemangel und zu verdorrten Landschaften - so...

The accuracy of U.N. population projections is examined. The goal is to measure the amount of uncertainty associated with past projections of the United Nations in order to provide a reaiistic measure of the uncertainty in the projection that the U.N. makes in the future. Various descriptive...

Die Untersuchlang befaßt sich mit der Güte von Bevölkerungsprognosen für 101 Länder von 1960 bis 1980. In einem einführenden Kapitel erfolgt die Abgrenzung und die Vorstellung der Problematik. Anschließend werden verschiedene Prognosefehlermaße vorgestellt und deren Interpretation...

Finanzmathematische und demographische Methoden werden präsentiert, um den Einfluß von Wanderungen auf die langfristige Bevölkerungsentwicklung zu präsentieren. Finanzmathematische Methoden berücksichtigen nicht die Altersstruktur einer Bevölkerung und können daher nur als Approximation...