National League of Cities to Study State Pre-emption of Local Laws

According to analysis published by the National League of Cities in 2017, “Preemption, or the use of state law to nullify a municipal ordinance or authority, has proliferate in recent years, particularly in economic development-related policy areas, including minimum wage, municipal broadband and the sharing economy.”

https://citiesspeak.org/2018/03/23/preemption-threatens-economic-development-and-innovation/