@article{ref1,
title="Individual precautions to prevent theft: Private versus socially optimal behavior",
journal="International review of law and economics",
year="1991",
author="Shavell, Steven",
volume="11",
number="2",
pages="123-132",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0144-8188",
doi="10.1016/0144-8188(91)90014-5",
url="http://dx.doi.org/10.1016/0144-8188(91)90014-5"
}