The book provides deep insights into the signal extraction problem - especially at the boundary of a sample, where asymmetric filters must be used - and how to solve it optimally. The traditional model-based approach (TRAMO/SEATS or X-12-ARIMA) is an inefficient estimation method because it...

One of the most striking macroeconomic developments during the last three decades is the rise and persistence of large fiscal deficits in a number of countries. Despite recent major fiscal reforms around the world, many countries suffer from recurrent large fiscal imbalances that often reflect...