Tariffs help us to maintain a favorable balance of trade and balance of payments. is this true? why or why not.

Please help

3 answers

Check these sites.

http://www.fff.org/freedom/0191c.asp

http://www.studyworld.com/newsite/ReportEssay/science/Technical%5CThe_Protective_Tariff-381758.htm

http://library.thinkquest.org/C004323/low/basics3.html
Thank you for the Help!!
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