@article{Okkerse2008,
author = {Okkerse, L.},
title= {How to measure labour market effects of immigration: A review},
year = {2008},
doi = {10.1111/j.1467-6419.2007.00533.x},
journal = {Journal of Economic Surveys},
volume = {22},
number = {1},
pages = {1--30},
}