During the last decade, several EU countries have tried to tackle unemployment and low activity rates through extensive tax cuts. In an effort to encourage the taking up of work - especially amongst the less productive workers - policymakers have shown increasing interest in targeted tax and...

In the period 2001-2004 two major reforms followed in Belgium: a personal income tax reform (2001) and a reform of social security contributions for low skilled employees (2004). Using a discrete hours labor supply model, this paper assesses the impact of these reforms on aggregate labor supply...

The purpose of the paper is to provide a discussion of the various approaches for accounting for labour supply responses in microsimulation models. The paper focuses attention on two methodologies for modelling labour supply: the discrete choice model and the random utility – random...

In this paper we use a sample of administrative data coming from the 'Dataware-house labour market and social protection' and the microsimulation model MIMOSIS to assess the labour supply effects of a reform of the rules for cumulating labour income with survival pension as proposed in the...

The purpose of the paper is to provide a discussion of the various approaches for accounting for labour supply responses in microsimulation models. The paper focuses attention on two methodologies for modelling labour supply: the discrete choice model and the random utility - random...

Analyzing a homogenous household setting with endogenous fertility and endogenous labor supply, we demonstrate that moving from joint taxation to individual taxation and adapting child benefits so as to keep fertility constant entails a Pareto improvement. The change is associated with an...

The purpose of this paper is to introduce and adopt a generalised version of Roemer's (1998) Equality of Opportunity (EOp) framework, which we call extended EOp, for analysing second-best optimal income taxation. Unlike the pure EOp criterion of Roemer (1998) the extended EOp criterion allows...

This paper reviews the literature on optimal taxation of labour income and the empirical work on labour supply and the elasticity of taxable income in Sweden. It also presents an overview of Swedish taxation of labour income, offers calculations on the development in effective marginal tax rates...

Der Mittelstandsbauch führt bei geringen und mittleren Einkommen zu einem schnell steigenden Grenzsteuersatz. Deshalb ist die Beseitigung des Mittelstandsbauchs im steuerpolitischen Diskurs ein bedeutendes Thema. Um diese Debatte mit Fakten zu unterstützen, hat das ifo Institut mögliche...

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,...