Disaggregated productivity growth and technological progress in the interpretation of Spanish economic growth, 1958-1975

Spanish economic records in terms of GDP growth and convergence to European levels in the sixties, provide an excellent opportunity to look at a central question underlying in the interpretation of any process of economic growth. The relevance of industrial specific technological progress is confronted to a general and multifaceted productivity change coming from a variety of sectors and causes. This paper exploits sectoral growth accounting methodology in two different ways in order to answer this crucial question revisited recently by historiography with reference to British Industrial Revolution and to Information and Telecommunications Technologies. First, we calculate TFP growth following the Kendrick approach (1961) and using four input-output tables corresponding to 1958, 1962, 1970 and 1975 disaggregated at 25 productive branches. And Second, we examine the impact of electricity and electric machinery and equipment as a General Purpose Technology (GPT) in Spanish economic growt