However, substring capturing is carried out only for positive assertions, because it does not make sense for negative assertions.

b Currency codes GBP (British pound), USD (United States dollar).

Also see Dollar, D. and Kraay, A. (2001) Trade, growth and poverty , World Bank Policy Research Department, Working Paper No. 2615, Washington DC.

In the above example, hello, can be used as the name of a variable by using two dollar signs. i.e.

Moreover, as Bilmes and I argued in our book The Three Trillion Dollar War, the wars contributed to America s macroeconomic weaknesses, which exacerbated its deficits and debt burden. Then, as now, disruption in the Middle East led to higher oil prices, forcing Americans to spend money on oil imports that they otherwise could have spent buying goods produced in the US.

Their comprehensive study draws on high quality survey data from 118 countries and reaches a clear conclusion the bulk of poverty eradication that took place in recent decades was driven by economies overall income growth. More specifically, 77 of the cross country variation in the income growth of the poorest 40 of the population reflects differences in average income growth.