Explanipedia

Disagreement About Fiscal Policy Open

Albina Latifi, Viktoriia Naboka‐Krell, Peter Tillmann, Peter Winker · 2025

Politicians disagree about fiscal policy. This disagreement should have economic effects beyond the effects of government spending and taxation. We use the full set of speeches in the German Bundestag since 1960 and apply state‐of‐the art …

Annual Reviewer Acknowledgement Open

Peter Winker · 2025

How survey results are reported in the media: A framework on selection mechanisms and a pilot study on reporting practice Open

Jenny Bethäuser, Natalja Menold, Peter Winker · 2025

Survey results are frequently reported in the media without sufficient background information to assess their methodological quality. This gap may arise from various factors, including a lack of statistical literacy among those involved in…

Debating the Bundeswehr Open

Albina Latifi, Viktoriia Naboka‐Krell, Peter Tillmann, Peter Winker · 2025

We use Natural Language Processing methods to analyze the part of the debates in the Bundestag, the German parliament, about the German military (Bundeswehr). Estimated local projections show that an increase in Bundeswehr‐related fiscal s…

Analysing the Impact of Removing Infrequent Terms on Topic Quality in Latent Dirichlet Allocation Models Open

Victor Bystrov, Viktoriia Naboka‐Krell, Anna Staszewska‐Bystrova, Peter Winker · 2025

An initial procedure in text-as-data applications is text preprocessing. One of the typical steps, which can substantially facilitate computations, consists in removing infrequent terms believed to provide limited information about the cor…

Identification of innovation drivers based on technology-related news articles Open

Albina Latifi, David Lenz, Peter Winker · 2025

Disagreement about Fiscal Policy * Open

Peter Tillmann, Peter Winker, Albina Latifi, Viktoriia Naboka‐Krell · 2025

Debating the Bundeswehr Open

Albina Latifi, Viktoriia Naboka‐Krell, Peter Tillmann, Peter Winker · 2025

Annual Reviewer Acknowledgement Open

Peter Winker · 2024

Fiscal policy in the Bundestag: Textual analysis and macroeconomic effects Open

Albina Latifi, Viktoriia Naboka‐Krell, Peter Tillmann, Peter Winker · 2024

Fiscal policy is made in parliaments. We go to the roots of changes of fiscal policy in Germany and use a novel data set on all parliamentary speeches in the Bundestag from 1960 to 2021. We propose an embedding-based approach, which allows…

Comparing Links between Topic Trends and Economic Indicators in the German and Polish Academic Literature Open

Victor Bystrov, Viktoriia Naboka‐Krell, Anna Staszewska‐Bystrova, Peter Winker · 2024

The popularity of econometric analyses that include variables obtained from text mining is growing rapidly. A frequently applied approach is to identify topics from large corpora, which makes it possible to determine trends that reflect th…

Calculating Joint Confidence Bands for Impulse Response Functions using Highest Density Regions Open

Helmut Lütkepohl, Anna Staszewska‐Bystrova, Peter Winker · 2024

This paper proposes a new non-parametric method of constructing joint confidence bands for impulse response functions of vector autoregressive models.The estimation uncertainty is captured by means of bootstrapping and the highest density …

Forward or Backward Looking? The Economic Discourse and the Observed Reality Open

Jochen Lüdering, Peter Winker · 2024

Is academic research anticipating economic shake-ups or merely reflecting the past? Exploiting the corpus of articles published in the Journal of Economics and Statistics (Jahrbücher für Nationalökonomie und Statistik) for the years 1949 t…

Measuring the Diffusion of Innovations with Paragraph Vector Topic Models Open

David Lenz, Peter Winker · 2024

Measuring the diffusion of innovations from textual data sources besides patent data has not been studied extensively. However, early and accurate indicators of innovation and the recognition of trends in innovation are mandatory to succes…

Skewness-Adjusted Bootstrap Confidence Intervals and Confidence Bands for Impulse Response Functions Open

Daniel Grabowski, Anna Staszewska‐Bystrova, Peter Winker · 2024

This article investigates the construction of skewness-adjusted con�dence intervals and joint confidence bands for impulse response functions from vector autoregressive models. Three different implementations of the skewness adjustment are…

Complexity and Model Comparison in Agent Based Modeling of Financial Markets Open

Alexandru Mandeş, Peter Winker · 2024

Agent based models of financial markets follow different approaches and might be categorized according to major building blocks used. Such building blocks include agent design, agent evolution, and the price finding mechanism. The performa…

Evaluating FOMC forecast ranges: an interval data approach Open

Henning Fischer, Marta García-Bárzana, Peter Tillmann, Peter Winker · 2024

The Federal Open Market Committee (FOMC) of the U.S. Federal Reserve publishes the range of members’ forecasts for key macroeconomic variables, but not the distribution of forecasts within this range. To evaluate these projections, previou…

Forecasting Russian Foreign Trade Comparative Advantages in the Context of a Potential WTO Accession Open

Ivan Savin, Peter Winker · 2023

This paper proposes a new approach of forecasting \prospective" comparative advantages based on relative prices differences between countries in the context of economic liberalization. An empirical analysis based on the example of Central …

Analysing the Impact of Removing Infrequent Words on Topic Quality in LDA Models Open

Victor Bystrov, Viktoriia Naboka‐Krell, Anna Staszewska‐Bystrova, Peter Winker · 2023

An initial procedure in text-as-data applications is text preprocessing. One of the typical steps, which can substantially facilitate computations, consists in removing infrequent words believed to provide limited information about the cor…

Annual Reviewer Acknowledgement Open

Peter Winker · 2023

Frontmatter Open

Peter Winker, Thiess Büttner, Regina Erlangen-Nürnberg, Joachim Wagner, David Agrawal , et al. · 2023

Frontmatter Open

Peter Winker, Thiess Büttner, Regina Erlangen-Nürnberg, Joachim Wagner, David Agrawal , et al. · 2023

Editorial Announcement Open

Peter Winker, Jan‐Otmar Hesse · 2023

Frontmatter Open

Peter Winker, Thiess Büttner, Regina Erlangen-Nürnberg, Joachim Wagner, David Agrawal , et al. · 2023

Visualizing Topic Uncertainty in Topic Modelling Open

Peter Winker · 2023

Word clouds became a standard tool for presenting results of natural language processing methods such as topic modelling. They exhibit most important words, where word size is often chosen proportional to the relevance of words within a to…

Frontmatter Open

Peter Winker, Thiess Büttner, Regina Erlangen-Nürnberg, Joachim Wagner, David Agrawal , et al. · 2023

Editorial Announcement Open

Peter Winker · 2023

Comment to “Bielefeld May In Fact Not Exist – Empirical Evidence From Official Population Data” (DOI https://doi.org/10.1515/jbnst-2022-0038) by Patrick Winter Open

Peter Winker · 2023

At first sight, the paper uses a classical approach from empirical economic research.It starts with a theory based null hypothesis, which is the complement of what should be demonstrated and which is challenged by the data.Given that this …

Fiscal Policy in the Bundestag: Textual Analysis and Macroeconomic Effects Open

Albina Latifi, Viktoriia Naboka‐Krell, Peter Tillmann, Peter Winker · 2023

Choosing the Number of Topics in LDA Models -- A Monte Carlo Comparison of Selection Criteria Open

Victor Bystrov, Viktoriia Naboka, Anna Staszewska‐Bystrova, Peter Winker · 2022

Selecting the number of topics in LDA models is considered to be a difficult task, for which alternative approaches have been proposed. The performance of the recently developed singular Bayesian information criterion (sBIC) is evaluated a…

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