study published in the August 2008 issue of the American Journal of Agricultural Economics, found nafta increased US agricultural exports to Mexico and Canada, even though most of the increase occurred a decade after its ratification. "What Is Nafta, and How Might Trump Change It?". However, this barrier to investment was incompatible with nafta.
"The TPP Must Be Defeated". Economic growth during the post-nafta period was not impressive in any of the countries involved. "Canada, Mexico vow to remain at nafta negotiating table". "IngentaConnect nafta Commission for Environmental Cooperation: ongoing assessment of trade liberalization in North America". That's 26 percent of total.S.