@techreport{foucault:hal-00598169, TITLE = {{Price Improvements in Financial Markets as a Screening Device}}, AUTHOR = {Foucault, Thierry and Desgranges, Gabriel}, URL = {https://hec.hal.science/hal-00598169}, NOTE = {Cahier de Recherche du Groupe HEC Paris, n{\textdegree} 716/2000}, YEAR = {2011}, MONTH = Jun, KEYWORDS = {market design ; Market microstructure ; price improvements}, HAL_ID = {hal-00598169}, HAL_VERSION = {v1}, }