The salient feature of Table 16.1 is the importance of the growth of technology(i.e. output per head) in which the growth of knowledge plays an important role. Resource allocation refers to the movement of labour from less productive to more productive uses(e.g. agriculture to industry). Regarding factor inputs, growth of capital stock plays a relatively small but significant role. However, of we concerned with growth of national are income per head. growth of capital and the growth of technology are the relevant determining factors.