@article {What2011,
title = {What Has Happened to Marginal Tax Rates?},
year = {2011},
url = {https://www.esri.ie/publications/what-has-happened-to-marginal-tax-rates},
author = {Callan, Tim and Crilly, Niamh and Keane, Claire and Walsh, John R},
journal = {ESRI Research Bulletin 2011/3/4},
}