washington donald trump threats slap steep tariff chinese mexican import may vote republican primaries would likely backfire severely disrupt u.s. manufacturers increasingly depend global supply chain republican presidential front-runner campaign pledge impose 45 percent tariff import china 35 percent many goods mexico would spark financial market turmoil possibly even recession former trade negotiators trade lawyers economists business executives tell reuters mind trade war lose 58 billion year trump say feb. 25 debate refer 2015 u.s. goods trade deficit mexico economists dispute idea unite state lose money trade deficit simply difference unite state import export country `` impose tariff put trade barriers may sound good hurt economy credibility `` say wendy cutler former act deputy u.s. trade representative help lead u.s. negotiations 12-nation trans-pacific partnership trade deal last year among hard hit would u.s. auto industry fully integrate mexico production network 118 billion worth vehicles part flow north south across border tariff-free last year accord u.s. commerce department data 35 percent tariff would raise cost ford motor co 's u.s.-assembled f-series medium-duty pickup truck use mexican-made diesel engines one profitable vehicle line graphic u.s.-mexico auto part trade tmsnrt.rs/1un3wun ford ceo mark field wednesday defend company investment strategy include billion u.s. plant next four years say make sense business buyers fiat chrysler automobile nv popular ram 1500 pickup truck assemble saltillo mexico could see 26,000 base price push 9,000 tariff fully pass consumers chrysler spokesman decline comment trump statements trump campaign say statement u.s. trade policy constitute unilateral economic surrender need complete change allow foreign competitors shut u.s import devalue currencies unfairly target u.s. industries think issue favor make incredibly jingoistic bombastic say scott paul president alliance american manufacture group ally domestic steelmakers manufacturers unite steelworkers union believe widespread agreement ... something amiss economic relationship china past time government push back little forcefully would take years u.s. industry rebuild supply chain devastate sudden tariff hike chinese mexican goods retaliatory measure say peter petri brandeis university professor co-author influential study effect tpp trade deal national income even u.s. firm able make transition petri say would likely result permanent annual reduction u.s. national income 100 billion 0.8 percent trump tariff plan would effectively violate nafta revoke u.s. commitments world trade organization say trade lawyers beijing mexico city go retaliate things likely hurt us say susan schwab u.s. trade representative 2006 2009 george w. bush administration schwab negotiate major portion free trade agreements south korea colombia panama 2009 mexico slap duties 25 percent 90 different u.s. farm goods pork freeze potatoes due foot-dragging u.s. lawmakers allow mexican truckers u.s. roads specify nafta national potato council estimate u.s. growers lose 70 million revenue 31 months 50 percent cut third-largest export market mexico economy minister ildefonso guajardo say last week big tariff mexico would return unite state isolationist xenophobic protectionist vision full-scale tariff war china would likely expose large u.s. export sectors steep duties include aircraft semiconductors corn soybeans trade lawyers say retaliatory tariff would also hurt grow u.s. vehicle export china 300,000 year equivalent annual output large assembly plant general motor co plan import buick sport-utility vehicle chinese joint venture plant gm spokesman decline comment china state-run global time newspaper call trump big-mouthed anti traditional abusively forthright editorial directly address tariff proposals long-running u.s.-china trade dispute solar panel illustrate tariff sometimes cause unanticipated damage 2012 u.s. commerce department slap anti-dumping duties 78 percent chinese solar panel german-owned solarworld ag complain below-cost chinese import hurt u.s. production china respond 57 percent duties u.s. producers polycrystalline silicon raw material photovoltaic cells put brake industry fast expand meet demand chinese solar panel makers hemlock semiconductor control dow corn abandon construction 1.5 billion new polysilicon plant 2014. dow corn spokesman jarrod erpelding say hemlock serve strong example trade dispute often unintended consequences really stupid say francine sullivan chief legal officer rec silicon moses lake washington halt production year necessity value put tariff protect solar panel u.s. think suffer enormous financial damage result this trump campaign say measure like tariff would level play field help bring millions manufacture job back unite state durwin oodie royal furnace operator u.s. steel corp lone star tubular operations texas know first-hand relief temporary workers plant cheer unite state impose anti-dumping duties chinese drill pipe 2009 2011. company announce friday would temporarily idle tube mill lay 450 workers battle slump u.s. oil gas drill continue global steel glut unfairly trade import slap tariff one country import come another country say royal expect among workers idle tariff impose china south korean import surge say right limp along like everybody else trump 's tariff plan could boomerang spark trade war china mexico