@article {2002.05699, archivePrefix = {arXiv}, eprint = {2002.05699}, primaryClass = {cs.GT}, author = {Emily Diana and Hadi Elzayn and Michael Kearns and Aaron Roth and Saeed Sharifi-Malvajerdi and Juba Ziani}, title = {Differentially Private Call Auctions and Market Impact}, year = {2020}, url = {http://arxiv.org/abs/2002.05699} }