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Implementation of Portable Emissions Measurement Systems (PEMS) for the Real-driving Emissions (RDE) Regulation in Europe
Published on: December 4, 2016
[Evaluation of Dutch population forecasts]
Summary
This study evaluates the accuracy of Dutch population forecasts, highlighting how model improvements and changing demographic trends like fertility and mortality impact predictions. Adjustments to long-term assumptions can be affected by short-term fluctuations.
Area of Science:
- Demography
- Statistical Modeling
Context:
- Population forecasting accuracy in the Netherlands.
- Historical forecast errors in the 1960s and 1970s.
- Evolution of demographic forecasting models.
Purpose:
- To assess the accuracy of past population forecasts in the Netherlands.
- To identify causes of forecast errors.
- To examine the impact of model updates and changing demographic trends.
Summary:
- Population forecast errors can stem from model deficiencies or unexpected demographic developments.
- A cohort-component model was developed to address inaccuracies in earlier forecasts.
- Forecast accuracy is influenced by incorporating changes in fertility, mortality, and migration, though short-term fluctuations pose challenges.
Impact:
- Informs the development of more reliable demographic projection methods.
- Highlights the importance of dynamic model adjustments for accurate long-term population predictions.
- Provides insights into the complexities of forecasting population dynamics.
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