5Becker, Brian C., Profitability Analysis of NYSE Trading Specialists,Precision Economics, LLC, February 2004, http:∥www. precisioneconomics.com/.
6Bessembinder, Hendrik and Herbert M. Kaufman, Quotations and Trading Costs on Domestic Equity Exchanges, Working Paper, Arizona State university, November 1995.
7Blume, M.E. and Michael Goldstein, Displayed and Effective Spreads by Market, Working Paper 27-92, The Wharton School, 1992.
8Graves Affleck, John, Shantaram Hegde and Robert Miller, Trading Mechanisms and the Components of the Bid-Ask Spread, Journal of Finance, 49,1994.
9Huang, Roger D. and Hans R.Stoll, Dealer versus Auction Markets: A Paired Comparison of Execution Costs on NASDAQ and NYSE, Journal of Financial Economics, 41 (3), 1996.
10Kothare, Meeta and Paul Laux,Trading Costs and the Trading System for NASDAQ Stocks, Financial Analysts Journal, March/April; 1995.