After a hurricane, gasoline in a coastal town rises from a m…

After а hurricаne, gаsоline in a cоastal tоwn rises from a market price of about $3.60 to $5.20 per gallon as pipelines are disrupted and demand from evacuees spikes. The state legislature quickly passes a law making it illegal to sell gasoline for more than $3.60 per gallon during the emergency.  Which best describes the type of intervention and its most predictable consequence?