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This study presents a model capturing sources of Iranian aggregate labour productivity using annual time series data from 1960 to 2002. Labour productivity in this model is determined by real net capital stock, information technology and telecommunications (ITT) and trade openness. Empirical estimates indicate that policies aimed at promoting various types of investment and trade openness, which generates technology spillovers, can improve labour productivity. A substantial rise in productivity can not be achieved unless the economy increases its stock of capital in both ITT and non-ITT sectors, and industrial protectionist policies are reversed.

Sources of Iranian Labour Productivity