freight, high, raise, higher, steel, low, bound, raised, peak, cut, trade, block, file, fixed, part, through, own import, customs, quota, levy, lowered, raising, lower, export, zero, railway, hostile, higher, average, custom, cutting, highest, transport, increased, setting, foreign, heavy, water, increase, special, published, country import, impose, reduce, reduced, imposed, remove, applied, transport, increased, increase, percent, include lowering, punitive, nominal, optimal, optimum, uniform, average, revenue, mexican, telephone, effective protective, imposing, reducing, restrictive, external, removing, canadian, internal, industrial, existing, remaining, increasing, domestic, effective, specific, including prohibitive, protectionist, eliminate, canadian, industrial, american preferential, differential retaliatory, eliminating, eliminated electricity, agricultural discriminatory

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taxes levied, imposed, paid, collectedlevying taxes, heavyminimum wage, distance, maximum, quotaweighted averageregulate interstate, tradeimport quota, levy, taxes, export, trade, cargotextile industry, manufacturing, quota, trade, export, importrail freight, passenger, transportation, transport, carrier, againstlevy taxes, sugar, imposed, collected, customsgas pipeline, industry, transmissioninternal revenue, versusunilaterally imposed, impose, imposing, reduced, reduce, cutnominal wage, variableinterstate pipeline, transportation, telecommunications, railroad, trade, rail, carrier, transmission, telephone, transport, gasfreight transport, transportation, rail, carrier, collect, railroad, revenue, railwaymexican border, american, customs, punitivezero bracket, percent, quotapassenger rail, transport, transportation, railway, railroad, carrier, revenuerailroad freight, passenger, transportation, industryremove unboundimpose countervailing, punitive, taxes, discriminatory, restrictive, import, stiff, substantial, excessive, reasonableuniform commercial, interstate, customs, acrosscarrier gas, transport, transmissionnonlinear differentialcollect taxes, revenuesignificantly reduced, reduces, higher, affect, lower, reduce, increased, lowered, reducing, increase, differentiated, lowering, below, declinedendogenous variable, versuspaying taxes, passenger, freight, specialretail trade, industry, electricitydeclined substantially, significantlytelecommunications industry, carrier, transmissionexport quota, trade, taxes, import, pipeline, revenue, cargo, industryrailway freight, passenger, transportation, transport, cuttingsubstantially reduced, reduces, higher, reduce, lower, increased, reducing, equivalent, affect, lowered, below, increase, increasing, declined, lowering, eliminatedsugar quota, industryvary substantially, significantly, acrosssteel industry, rail, bracket, pipeline, manufacturingbilateral trade, textilelevied taxes, against, heavysafeguard againstwage differential, bracket, increase, settingimposed unilaterally, punitivehighest peak, bracket, paidpreferential trade, binding, import, customs, exportpipeline transportation, transport, gas, transmissionmanufacturing industryprotectionist trade, agriculturalpay taxes, raiseimposing punitive, taxes, restrictive, import, excessive, stiffavoid excessive, paying, placing, imposing, falling, escalatingunbound variablecanadian border, postal, telecommunications, manufacturingincreased substantially, significantlycargo carrier, transportation, transportbelow zero, averageeliminate discriminatory, excessivelower bound, border, bracket, taxes, wage, partforeign trade, countryraising taxes, revenueeliminating discriminatory, excessiveaveraged acrossvia postal, telephone, rail, telecommunication, telecommunications, pipeline, interstateraise taxes, revenuediscriminatory freight, taxes, wage, trade, importworldwide telecommunicationstelecommunication industry, transmissiondistance between, telephone, carrierpostal carrierrestrictive trade, import, settinginterconnection betweenaverage wage, percent, weighted, revenue, grain, distanceheavy industry, freight, taxes, cargo, steelhelped establish, raiseremain competitive, unbound, fixednegotiated wage, bilateral, betweenlowest bracket, wage, paid, paying, averageseasonal agricultural, peak, round, wageinput port, file, variableaffect interstateselective cutting, bindingsubstantial increase, partrising protectionist, wagecustoms revenue, officiallowering taxespercent bracket, increase, versusround holeprotected againstrevenue collected, raising, passengeremergency telephone, quota, safeguardcut acrosscutting across, taxesfixed quota, manufacturing, nominalexcessive loweringelectricity transmission, industry, utilityproposed abolishing, pipelineprotect againstreduced substantially, significantlyagricultural export, wage, traderegulated utility, interstate, industry, viarose substantiallyspecific bindingapplicable taxesreducing sugar, taxestransmission pipeline, viafiled against, within, undercompetitive binding, industry, telecommunicationsjapanese textile, manufacturing, colonialfalling within, below, underplus freighthigher taxes, wagecustom designedversus external, conventional, nominal, bilateralaustralian telecommunications, postal, manufacturingexist between, withintemporary emergency, file, protectivelow wageunlike conventionaldomestic protectionist, industry, textilefell belowpunitive taxesimposes substantial, taxeseliminated viaretaliatory tradereduces transmissionutility industrygrain quota, tradesteep increasevariable levy, manufacturing, input, rangingincrease substantiallyregional trade, transportationmaintain optimum, optimaldeclining export, agricultural, industrial, industrymaximum distance, peak, transmissionpaid taxesborder trade, betweendifferential inputremained substantially, hostile, fixedcollected taxestransportation industryexternal tradequota imposedoptimum cuttingstiff differentialprotecting againsthotel industryhole cutabolish existingport railindustry worldwideexisting bilateral, filetransport acrosspeak electricityreduce taxeseffective countervailingcommercial passengercharged applicableofficial bilateral