What benefits can the US government expect from the legalization of marijuana?

 For this shot essay, write a quantitatively investigation, to see if legalizing marijuana has impacted unemployment or crime or any other variable of interest. Needed numbers and graphs with explanation. You could even compare the magnitude of economic across states or even in other countries. In a nut shell show recent statistical data of the effects that marijuana has and can do for the US economy, in reference to macroeconomics.