an JP 4 A. ril 2011. Will the Real Philli.s Curve Please Stand Up? Jones 2002 Jones C, 2002. A Century of Stock Market Liquidity and Trading Costs. Working Paper. Columbia University, New York, NY. loulin 2008 Joulin A, Lefevre A, Grunberg D, Bouchaud JP, 2008. Stock price jumps: news and volume 286 EFTA0