commodity tax
tax on goods
tax on suppliers
increases cost for buyers and sellers receive less than before
tax on buyers
reduces their willingness to pay and demand curve shifts down. buyers pay more than before and sellers receive less than before
the more elastic side of the market will pay
a smaller share of a tax
less elastic - more inelastic will pay
a greater share of a tax
when demand is more elastic than supply
demanders pay a smaller share of tax and sellers pay a larger share of the tax