National barriers to trade are often varied to insulate domestic markets from international price variability, especially following a sudden spike. This paper explores the extent of that behavior by governments in the case of agricultural products, particularly food staples whose prices have...

To what extent has Sub-Saharan Africa's slow economic growth over the past five decades been due to price and trade policies that discouraged production of agricultural relative to non-agricultural tradables? This paper uses a new set of estimates of policy induced distortions to relative...

While barriers to trade in most goods and some services including capital flows have been reduced considerably over the past two decades, many remain. Such policies harm most the economies imposing them, but the worst of the merchandise barriers (in agriculture and textiles) are particularly...

Australia's lackluster economic growth performance in the first four decades following World War II was in part due to an anti-trade, anti-primary sector bias in government assistance policies. This paper provides new annual estimates of the extent of those biases since 1946 and their gradual...