What are the effects of a decrease in tariffs on gdp?

Question

What are the effects of a decrease in tariffs on gdp?

Answer 1

It increases GDP because it increase net exports, because decreasing tariffs facilitates trade.

And GDP is:

Consumption + Investment + Gov. + Net Exports.

Answer 2

a decrease on tariffs would cause imports to rise.  It would not affect domestic production and thus it would not affect gdp.

Answer 3

Reduced tariffs means more trade. More trade=higher GDP over time.