This paper discusses inequality orderings based explicitly on closing up of income gaps, demonstrating the links between these and other orderings, the classes of functions preserving the orderings and applications showing their usefulness in comparison of economic policies.

Responses to changes in marginal income tax rates can be more complex than a simple adjustment in hours worked. Given this, a more inclusive way to assess the deadweight costs of taxes on labour income is to examine the effect of changes in the marginal tax rate on taxable income rather than on...

Public spending in the UK in 2008/9 amounted to over £10,000 per person or about 43% of national income (Crawford, Emmerson and Tetlow 2009) while net receipts from tax and social security contributions exceeded £8,000 per person or about 35% of national income. These transfers of resources...