@article{Griffith2009,
author = {Rachel Griffith and Ephraim Leibtag and Andrew Leicester and Aviv Nevo},
title = {Consumer shopping behavior: how much do consumers save?},
journal = {Journal of Economic Perspectives},
year = {2009},
month = {Apr},
volume = {23},
number = {2},
pages = {99-120},
issn = {0895-3309},
url = {http://www.atypon-link.com/doi/abs/10.1257/jep.23.2.99},
}