Agricultural protection in rich countries, which had depressed Australian farm incomes via its impact on Australia's terms of trade, has diminished over the past two decades. So too has agricultural export taxation in poor countries, which had the opposite impact on those terms of trade....

Agricultural protection in rich countries, which had depressed Australian farm incomes via its impact on AustraliaÂ’s terms of trade, has diminished over the past two decades. So too has agricultural export taxation in poor countries, which has had the opposite impact on those terms of trade....