Trade data are typically reported at the level of regions or countries and are therefore aggregates across space. In this paper, we investigate the sensitivity of standard gravity estimation to spatial aggregation. We build a model in which initially symmetric micro regions are combined to form...

Although there is much interest in the future retail price of gasoline among consumers, industry analysts, and policymakers, it is widely believed that changes in the price of gasoline are essentially unforecastable given publicly available information. We explore a range of new forecasting...

Dieser Beitrag diskutiert eine Methode, frühzeitig die Wachstumsrate des deutschen Bruttoinlandsproduktes des laufenden Quartals zu bestimmen. Es werden MIDASRegressionen verwendet, um mit dem Problem unterschiedlicher Datenfrequenzen umzugehen. Zudem werden Pooling-Ansätze diskutiert, die den...

This paper describes how to use the R package gateveys to establish a transparent and reproducible aggregation work flow for longitudinal data stemming from business tendency surveys (BTS). Business tendency survey researchers are addressed in particular though the suggested work flow could also...

This paper considers the relationship between local economic conditions and health with a focus on different approaches to geographic aggregation. After reviewing the tradeoffs associated with more- and less-disaggregated analyses - including an investigation of the migratory response to...