i am hesitant to respond in depth to the Ralph Nader think-tank (a Cato Institute study showing NAFTA has produced 5 million jobs has the same obvious and self-serving partisan bias) but a few observations after a cursory glance.
the most pressing and easily refuted claim in the study is the causal linking of trade deficit and job loss. we are thankfully removed from the days of Pat Buchanan claiming $1 billion in trade deficit equates 20,000 lost jobs, but the Sanders and Trump campaigns's's vilification of trade has resurrected this tired dybbuk. balance of trade is by nature balanced, it is not as though we set aflame the money that finances a trade deficit. that money goes into our trading partners' hands, both businesses and governments, and they either sit on their dollars, which would drive up the value of their currency (stronger currency = weaker exports / stronger imports and vice versa) resulting in a diminishment of the trade deficit until equilibrium is reached, or conversely they turn around with their shiny U.S. dollars and reinvest that money into the United States, lowering the cost of borrowing money, increasing the value of securities, and providing investment capital for business. these, combined with the savings engendered by more efficient production, generally exceed the costs of outsourced jobs and result in increased employment.
this is readily witnessed by the fact that China is the global leader in exporting goods, widely recognized as the world's trader winner because no one can match its trade surplus, yet the global leader in foreign direct investment (that is foreign investment going towards tangible economic assets not stocks or bonds or other portfolio components) is the United States, which received more direct foreign investment in 2015 than at any point in our nation's history and received more than three times (!) as much as the #2 recipient of foreign direct investment.
there is one addendum to this in the Triffin dilemma. i clock out too soon to explain it in depth so feel free to google it but the thrust is the use of the U.S. dollar as the world's global reserve currency facilitates our trade deficits by increasing demand for the dollar for use in bilateral trade between non-U.S. actors.
but let us abandon the heady realm of theory for empirical evidence and note all evidence points to an inverse correlation between the unemployment rate and the trade deficit. that is to say since globalization truly started to take the world by storm during the late-80s and early-90s the American trade deficit has grown every year our economy has grown and has only discernibly closed during the recessions of 2001 and 2008, and it shrank proportionally to the severity of those recessions. if anything a decreasing, not increasing, trade deficit indicates fewer jobs.
and i could use an ugly piece of rhetorical gamesmanship by pointing out that America gained manufacturing jobs for a half-decade after NAFTA passed and the late 90s were the economically healthiest in the history of the Republic but i'm above such legerdemain.
well no i'm not, but as i've been reiterating aggregate employment cannot be linked solely or even primarily to free trade.
the most egregious ignorance contained in the study is the linking of Mexico's economic difficulties to NAFTA, ignoring the Zapatista Uprising and assassination of presidential candidate Colosio in 1994, events that facilitated the flight of foreign capital which when combined with Mexico abandoning a fixed currency exchange rate resulted in the hyperinflation of the peso which then resulted in the spiraling cost of tortillas the authors so dishonestly lay at the door of NAFTA. the Mexican economy has more or less been in persistent trouble since the 1970s for a myriad of reasons, presently the collapse of civil society in large parts of Mexico and the endemic corruption of local government following the rise of the cartels are maybe the most culpable actors, and to lay the blame for Mexican poverty at the feet of free trade is a comic absurdity. indeed the protestations appear to be a manner of Schrodinger's immigrant, America is losing jobs because they are being shipped to Mexico while Mexico is losing jobs because American jobs are being shipped to Mexico.
the infantilization of Mexican economic history is indicative of my most salient objections to essentially every finding in the study as they consist of (generally inflated) figures shorn from all other context. the rankest form of presenting correlation as causation used in an effort to demonize the impact of NAFTA, which as initially stated is smaller in both its positive and negative impact than most would have you believe. its primary impact is as an agent of what economists call disruption, an event in which markets assume fundamentally different shapes than the ones they had previously assumed, and such events produce both economic winners and economic losers, but in the aggregate the consensus is overwhelming that there are more of the former than the latter. that is to say free trade does not greatly either increase or decrease employment (though most economists agree it slightly increases employment while greatly increasing efficiency) but it does greatly facilitate shifting the emphasis of an economy's production.
the role of government should not be to satiate the yearnings for a romanticized past, but to ease the discomfort that comes with disruptions, both those engendered by globalization and those engendered by technological advancement. the scope of that conversation is beyond this already bloated post but the emphasis should not be on bringing back jobs that require men to attach steel to other steel but in teaching the coming generation how to write the GUI that the manufacturing workers who remain will use to control industrial robots to do the same.
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