@article{Davis1985,
author = {Evan Davis and Andrew W Dilnot},
title = {The restructuring of National Insurance contributions in the 1985 budget},
journal = {Fiscal Studies},
year = {1985},
month = {May},
volume = {6},
number = {2},
pages = {51-60},
issn = {Print: 0143-5671 Online: 1475-5890},
url = {http://onlinelibrary.wiley.com/doi/10.1111/j.1475-5890.1985.tb00516.x/abstract},
}