@article{Farber2015,
author = {Farber, H. and Valletta, R.},
title= {Do extended unemployment benefits lengthen unemployment spells? Evidence from recent cycles in the U.S. labor market},
year = {2015},
doi = {10.3368/jhr.50.4.873},
journal = {Journal of Human Resources},
volume = {50},
number = {4},
pages = {873‒909},
}