Determine the size of the nominal tariff relative to the effective rate of protection under the following conditions:
a) There are no imported inputs and the tariff on a finished good is 10%
b) A country imposes a 10% tariff on all finished goods and inputs, and imports 50% of the inputs it uses in the production of a finished good
c) A country imposes a 10% tariff on finished goods, a 20% tariff on inputs, and imports 50% of the inputs it uses in the production of a finished good
d) The tariffs on finished goods and inputs are as in part c of this question, but imported inputs make up 70% of the inputs used in the production of a finished good