The literature on tariffs and that on commodity taxes have established
sufficient conditions under which tariff or commodity tax reform impr
oves welfare. Since less developed countries need to raise certain rev
enue from indirect taxation, we consider a policy reform within the co
mplete indirect tax structure (i.e. an increase in consumption taxes c
ombined with a decrease in tariffs) that improves welfare and raises g
overnment revenue. We demonstrate that when uniform reductions in trad
e taxes accompany offsetting increases in consumption taxes, so that c
onsumer prices remain constant, welfare improves and government revenu
e increases if the initial position provides a net subsidy to producer
s.