This book explores how to set up an empirical model that helps with forecasting long-term economic growth. GDP forecasts for the years 2006 to 2020 for 40 countries are derived in a transparent way. Offering a systematic approach to models of potential GDP that can also be used for forecasts of more than a decade it fills the wide gap between the high demand for such models by banks, international organizations, and governments on the one hand and the limited supply on the other hand. Frequent forecast failures in the past (e.g. Japan 1990, Asia 1997) and the heavy economic losses they...