• Securities Stratification and Randomization
• Impact of Increased Tick Size on Retail Trading Costs
• Tick-constrained vs Unconstrained stocks
• How the increased cost of undercutting limit orders contributed to improved liquidity
• The U.S. Tick Size Pilot Program: Addressing Market Issues for Small-Cap Stocks
• Issues with Regulatory Experiments: Insights from the U.S. Tick Size Pilot