Why Trumps “Border Tax Proposal” Is The “Most Important Thing Nobody Is Talking About”by Tyler DurdenDec 20, 2016 10:21 PM263SHARESTwitterFacebookRedditWhile the market, and various pundits and economists have been mostly focused on the still to be disclosed details of Trumps infrastructure spending aspects of his fiscal plan, “one of the least talked about but possibly most important tax shifts in the history of the United States” is, according to DB, House Speaker Paul Ryan’s and President-elect Trump’s “border tax adjustment” proposal.This is part of the “Better Way” reform package and also figures prominently in the writings of senior Trump administration officials.What is it?Put simply, the proposal would tax US imports at the corporate income tax rate, while exempting income earned from exports from any taxation. The reform would closely mirror tax border adjustments in economies with consumption-based VAT tax systems. If enacted, the plan will likely be extremely bullish for the US dollar. What’s more, it would have a transformational impact on the US trade relationship with the rest of the world. Consider the below:A “border tax adjustment” would, roughly speaking, be equivalent to a 15% one-off devaluation of the dollar. Imports would be 20% more expensive, because corporates would have to pay the new 20% corporate tax rate on their value. Exports would be roughly 12% “cheaper”, because for every $33 of earnings earned from $100 of exports (we use the 33% gross margin of the S&P), there would be a 12% tax cost ($33 earnings*35% current tax rate) that would no longer be imposed on corporates. Taking the average impact on the prices of exports and imports is equivalent to a 15% drop in the dollar.A border tax adjustment would be very inflationary. The price of exports doesn’t affect the US consumption basket so would have no impact on CPI. However, the cost of imports would go up by 20%, which based on a simple relationship between import PPI and US inflation would be equivalent to a 5% rise in the CPI. Corporates may of course choose to absorb part of the rise in import costs in their profit margins. But either way, the order of magnitude is large.A border tax adjustment would be very positive for the US trade balance. Similarly to the dollar calculations, a border tax adjustment would be equivalent to an across the board import tariff of 20% and an export subsidy of 12%. Keeping all else constant and applying standard trade elasticity impact parameters to an average of the two estimates results in a more than 2% drop in the trade deficit equivalent to more than 400bn USD, or equivalently, an almost complete closing of the US trade deficit.In other words, should the “border tax proposal” pass, it would not only send inflation soaring, while eliminating the US trade deficit – a long-time pet peeve of Trump  – it would also be the trade-equivalent of a 15% USD devaluation, even as it leads to an offsetting surge in the actual value of the dollar.

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