Significant cross-country differences in real income levels are accompanied by sizable differences in price levels, and, in the longer run, convergence in real income levels goes together with convergence in price levels. Although the cross-country comparison of nominal per capita GDP levels at...

The volume index of GDP reflects the change in real income generated by production, which differs from the change in real domestic income (RGDI) available consumption and investment in case of movements in the terms of trade (ToT). If the ToT improve (the price index of exports is above that of...