The U.S. and the EU argued in Geneva that they should not be required to treat China as a market economy despite a commitment to do so back when it initially joined the WTO. China NME and VAT The U.S. and the EU argued in Geneva that they should not be required to treat China as a market economy despite a commitment to do so back when it initially joined the WTO. The argument is that calling China a market economy is divorced from reality, a position that could play either way in a challenge to a proposed border adjustment tax (BAT) in the U.S. On the one hand, a BAT is not literally the same as a value-added tax (VAT). On the other, it is divorced from reality to discriminate against a country's tax code if the substantive effects are t...