Changing Complexity in the Productive Structure of Indian Economy
University of Kalyani
Journal of Quantitative Economics, Vol. 4, No. 2, 2006
The complexity in the productive structure of an economy may be measured by the nature and extent of association between the sales and the purchase profiles captured by its input-output table. In this paper we estimate the change in complexity in productive structure of the Indian economy during the period 1984 - 96, and identify its major sources, using two multivariate techniques viz. dummy variable regression technique and dual scaling technique. The analysis is carried out in two stages. In the first stage we use dummy variable regression technique with row and column dummies to identify input-output cells with high row-column dependence. Next we use dual scaling technique to decompose the row-column association into hierarchical loops. Our analysis reveals that i) there has been significant increase in the level of complexity and degree of integration in the productive structure of Indian economy during the period 1984 to1996. This increase is most pronounced during the nineties when the economic reforms, in consonance with globalisation, were initiated for the Indian economy, ii) the increase in the level of complexity and degree of integration in productive structure of Indian economy has not been gradual as there seems to have occurred a structural break in the productive structure of the Indian economy during the nineties iii) the changes in economic complexity of Indian economy have been accompanied with significant changes in technological and/or market conditions faced by different sectors of the Indian economy; Manufacturing, Allied Agriculture and Services being the sectors having undergone tremendous change in both the aspects and iv) in terms of maturity, as measured by the level of complexity and degree of integration, the Indian economy has started resembling the developed countries like USA and Canada.
Keywords: Input-Output Linkage, Multivariate Scaling, Association Loop, Field of Influence Approach
JEL Classification: C67, D57
Date posted: July 4, 2009 ; Last revised: July 7, 2009
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