On 3 June 2020, the German government announced a temporary value added tax (VAT) rate reduction. VAT rates were reduced on 1 July 2020 and went back to their previous level on 1 January 2021. We study the price effects of the temporary VAT rate reduction using a web-scraped data set covering...

The introduction of a flat tax is supposed to have several advantages. Administration and compliance costs are reduced, as well as incentives for tax evasion. Furthermore, positive employment and growth effects are expected. Despite these advantages, a flat rate tax is not very popular in most...

The success of the flat rate tax in Eastern Europe suggests that this concept could also be a model for the welfare states of Western Europe. The present paper uses a simulation model to analyse the effects of revenue neutral flat rate tax reforms on equity and efficiency for the case of...

Die Initiative Neue Soziale Marktwirtschaft (INSM) hat das ifo Institut mit der Erstellung einer Studie zum sogenannten Mittelstandsbauch im deutschen Einkommensteuertarif beauftragt. Der Mittelstandsbauch führt bei geringen und mittleren Einkommen zu einem schnell steigenden Grenzsteuersatz,...

Die Studie untersucht vier Reformoptionen, die zu einer Entlastung geringer und mittlerer Einkommen bei gleichzeitig moderater Belastung höherer Einkommen führen. Der Solidaritätszuschlag wird abgeschafft. Der Grundfreibetrag und der Eingangssteuersatz bleiben in allen Varianten unverändert....

The introduction of a flat tax is supposed to have several advantages. Administration and compliance costs are reduced, as well as incentives for tax evasion. Furthermore, positive employment and growth effects are expected. Despite these advantages, a flat rate tax is not very popular in most...

The success of the flat rate tax in Eastern Europe suggests that this concept could also be a model for the welfare states of Western Europe. The present paper uses a simulation model to analyse the effects of revenue neutral flat rate tax reforms on equity and efficiency for the case of...

This paper investigates the impact of tax simplification on various indicators of the efficiency of the tax system and on the distribution of income. The analysis is based on a simulation model (FiFoSiM) using German income tax and household survey microdata. We model tax simplification as the...