This paper analyzes the effects of an income splitting system on marriage partners. The focus is on the time allocation, on investment in marriage-specific human capital and on the distribution of income within the family. Two insights are discussed in detail. First, the distribution of...

This paper studies the design of couples' income taxation. Consumption and labor supply decisions within the couple are made by maximizing a weighted sum of the spouses’ utilities; bargaining weights are given but specific to each couple. The information structure and labor supply decisions...

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...

We present a non-cooperative model of a family's time allocation between work and a home-produced public good, and examine whether the income tax should apply to couples or individuals. While tax-induced labor supply distortions lead to overprovision of the public good, spouses' failure to...

Married couples often face a different tax burden than cohabitating couples with the same income. I study the effect of joint income taxation of married couples on the marriage rate in Switzerland, where tax differentials between married and cohabitating couples vary considerably across cantons....

This paper studies the tax treatment of couples. We develop two different approaches. One is tailored to the analysis of tax systems that stick to the principle that the tax base for couples is the sum of their incomes. One is tailored to the analysis of reforms toward individual taxation. We...