Trevor Birba

When the Auto-Bid Channel Replaces the Baseline: Baseline Flexibility, Experiment Calibration, and the Return Meridian Reports for a Performance-Chased Channel

Platform auto-bidding sets a channel's budget from recent conversions, so the channel's spend tracks demand. On a third-party synthetic benchmark with endogenous spend (Heusch, arXiv:2608.21130), Meridian 2.0.0 was fitted across the benchmark's budgeting mechanisms at five seeds,...