@article{whyyoushouldchargeyourfriendsfor,
  title = {Why You Should Charge Your Friends for Borrowing Your Stuff},
  author = {Kijung Shin and Euiwoong Lee and Dhivya Eswaran and Ariel D. Procaccia},
  year = {2017},
  eprint = {1705.07343},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1705.07343v1},
}