It is well-known that the distribution of citations to articles in a journal is skewed. We ask whether journal rankings based on the impact factor are robust with respect to this fact. We exclude the most cited paper, the top 5 and 10 cited papers for 100 economics journals and recalculate the...

We introduce archetypal analysis as a tool to describe and categorize scientists. This approach identifies typical characteristics of extreme (’archetypal’) values in a multivariate data set. These positive or negative contextual attributes can be allocated to each scientists under...

In this paper, we assess the accuracy of macroeconomic forecasts at the regional level using a unique data set at quarterly frequency. We forecast gross domestic product (GDP) for two German states (Free State of Saxony and Baden-Württemberg) and Eastern Germany. We overcome the problem of a...

In this paper we assess the information content of seven widely cited early indicators for the euro area with respect to forecasting area-wide industrial production. To this end, we use various tests that are designed to compare competing forecast models. In addition to the standard...

In the monthly ifo Business Survey around 9,000 German companies answer questions about their current business situation, expectations and plans for the near future as well as on other business variables. This paper provides an overview of all regular questions (monthly, quarterly, bi-annually,...

Using new survey data on quantitative growth expectations of firms in Germany, we show that firms resort to local information when forming expectations about aggregate growth. Firms extrapolate from the economic situation in their county, industry growth and their individual business situation....

Many papers in economics that are published in peer reviewed journals are initially released in widely circulated working paper series. This raises the question about the benefit of publishing in a peer-reviewed journal in terms of citations. Specifically, we address the question: To what extent...

Differences in annual publication counts may reflect the dynamic of scientific progress. Declining annual numbers of publications may be interpreted as missing progress in field-specific knowledge. In this paper, we present empirical results on dynamics of progress in economic fields (defined by...

Der vorliegende Beitrag stellt einen Geschäftsklimaindex inklusive seiner Komponenten für Niedersachsen vor. Neben den Hauptindizes werden auch Zeitreihen für die Industrie, den Dienstleistungsbereich, den Handel und das Bauhauptgewerbe ausgewiesen. Wo dies durch eine genügend hohe...

As one of the main pillars of the ifo Institute's economic research, the ifo Business Survey has been conducted monthly since 1949, a year after the foundation of the ifo Institute. Since then, ifo has extended its survey activity by developing and administering additional business, expert, and...