This is an interesting look at when NYPD officers try to get a lot of arrests in the early part of the month in an attempt to make sure they achieve the performance measures.
Discussion Papers in Economics: 2018 | Economics | University of Colorado Boulder
18-09 – Alexander Cauley, “The Early Bird Gets the Worm: Analysis of Dynamic Effort Allocations from the New York City Police Department,” October 2018
— Read on www.colorado.edu/economics/seminars-research/working-papers/discussion-papers-economics-2018