Such efforts boost transparency as the volume of trade comes to depend more on the tariff rates than on hazy bureaucratic decisions.

ECONOMIST: Agricultural trade

They cannot generally afford subsidies, but tariff rates on agricultural goods are often even higher in poor countries than in rich ones.

ECONOMIST: World trade talks: The Cancun challenge | The

When they had rung in with correct meter readings after receiving estimated bills, EDF's automated system had charged all the additional units - if there were any - at its higher tariff rates following a general price rise.

BBC: Ofgem demands billing explanation from energy suppliers

The nature of the cuts became clear this week with an announcement from the Greek Ministry of Environment, Energy and Climate Change (YPEKA) that feed-in tariff rates would be reduced by 40 percent for those projects installed after February 1, 2013 and before January 31st, 2014.

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In order to ensure the continuation of such staged reductions in rates of duty for originating goods of Chile in tariff categories that were modified to reflect amendments to the Convention, Presidential Proclamation 8771 made modifications to the HTS that I determined were necessary or appropriate to carry out the duty reductions proclaimed in Proclamation 7746.

WHITEHOUSE: The White House

The dispute is related to cotton, so it is unsurprising that Brazil has reserved the stiffest tariff rises for cotton products, lifting them to 100% from current rates of 6%-35%.

ECONOMIST: Brazil, America and trade