Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
We use a 15-year panel of property value assessment data from 351 Massachusetts municipalities. Appraised values grow more slowly in municipalities with elected assessors. When municipalities pass, via referenda, large increases in the cap on tax revenues, value assessments grow faster under appointed assessors and slower under elected assessors. Appraisals grow slower when alternative revenue sources are available.