The COVID-19 pandemic has increased the need for timely and granular information to assess the state of the economy in real time. Weekly and daily indices have been constructed using higher-frequency data to address this need. Yet the seasonal and calendar adjustment of the underlying time...

Currently, the methods used by producers of official statistics do not facilitate the seasonal and calendar adjustment of daily time series, even though an increasing number of series with daily observations are available. The aim of this paper is the development of a procedure to estimate and...

Virtually each seasonal adjustment software includes an ensemble of seasonality tests for assessing whether a given time series is in fact a candidate for seasonal adjustment. However, such tests are certain to produce either the same resultor conflicting results, raising the question if there...

Der aus digitalen Prozessdaten der Lkw-Mauterhebung berechnete Lkw-Maut-Fahrleistungsindex liefert frühzeitig Anhaltspunkte zur Entwicklung der Industrieproduktion in Deutschland. Während der Coronakrise wird der Index arbeitstäglich aktualisiert, um möglichst kurzfristige Informationen zu...

The COVID-19 pandemic has increased the need for timely and granular information to assess the state of the economy in real time. Weekly and daily indices have been constructed using higher frequency data to address this need. Yet the seasonal and calendar adjustment of the underlying time...

Virtually each seasonal adjustment software includes an ensemble of seasonality tests for assessing whether a given time series is in fact a candidate for seasonal adjustment. However, such tests are certain to produce either the same resultor conflicting results, raising the question if there...

In Germany as in many other European countries there will be a shift in the age structure of the workforce in the next decades. The number of older workers will increase whereas the number of young and middle aged workers will decline. This paper provides evidence how the demographic ageing...

It is well known that wages in large cities are higher than elsewhere. There is only little empirical evidence on the mechanisms behind this phenomena. One channel, that is discussed in the literature, is learning. Provided that individuals learn by interacting with one another, an urban wage...