What is the total length of Seven canals built under Indus Water Treaty?

As income increase?

Most American cities have________?

If GNP per capita at constant prices for Ghana is US$360 and US$364 in 1996 and 1997 respectively, The real economic growth from 1996 to 1997 is?

Leontief’s result were considered paradoxical because the United Stated was believed to be?

Trade creation will more likely outweigh trade diversion for Country X that forms a customs union if the level of tariffs in Country X prior to the customs union is ________ and the total number of countries forming the customs union is ________?