In New Zealand, excise taxes are levied on three commodity groups: alcohol, tobacco and petrol. The 2001 Tax Review, published by the New Zealand Treasury, argued that excises are inequitable and inefficient, and advised that these taxes should be removed and the revenue replaced by raising the...

Extensive research has shown that few robust results regarding the optimal tax structure are available. Moreover, the stylised models used in optimal tax analyses are not appropriate for practical policy advice. This paper proposes a method of examining optimal marginal income tax reforms using...

This paper provides a technical introduction to the use of the elasticity of taxable income in welfare comparisons and optimal tax discussions. It draws together, using a consistent framework and notation, a number of established results concerning marginal welfare changes and optimal taxes....

This paper explores the use of a loglinear tax and transfer function, displaying increasing marginal and average tax rates along with a means-tested transfer payment. The two parameters are a break-even income threshold, where the average tax rate is zero, and a tax parameter equivalent to the...

This paper examines the effects on consumer prices arising from imposing a carbon tax in New Zealand, using information about inter-industry transactions and the use of fossil fuels by industries. The welfare effects of the carbon tax are examined for a range of different household types....

Commissioned by the Federal Government, the "Overall Evaluation of Benefit Payments to Married Couples and Families" is the first study to systematically and comprehensively evaluate the key instruments of German family policy. The evaluation focused on the following family-policy goals:...

We apply a structural model of mothers' labor supply and child care choices to evaluate the effects of two childcare reforms in Germany that were introduced simultaneously in August 2013. First, a legal claim to subsidized child care became effective for all children aged one year or older....

In August 2013, two child care reforms have come into effect at the same time: First, a legal claim to formal child care has been introduced for all children aged one year or older. Second, a new benefit called Betreuungsgeld has been introduced that is granted to families who do not use public...

We apply a structural model of mothers’ labor supply and child care choices to evaluate the effects of two childcare reforms in Germany that were introduced simultaneously in August 2013. First, a legal claim to subsidized child care became effective for all children aged one year or older....

Parental leave and subsidized child care are prominent examples of family policies supporting the reconciliation of family life and labor market careers for mothers. In this paper, we combine different empirical strategies to evaluate the employment effects of these policies for mothers in...