Going Soft: How the Rise of Software Based Innovation Led to the Decline of Japan's IT Industry and the Resurgence of Silicon Valley

Ashish Arora (), Lee G. Branstetter and Matej Drev

Global COE Hi-Stat Discussion Paper Series from Institute of Economic Research, Hitotsubashi University

Abstract: This paper documents a shift in the nature of innovation in the information technology (IT) industry. Using comprehensive data on all IT patents granted by the USPTO from 1983-2004, we find strong evidence of a change in IT innovation that is systematic, substantial, and increasingly dependent on software. This change in the nature of IT innovation has had differential effects on the performance of the IT industries in the United States and Japan. Using a broad unbalanced panel of US and Japanese publicly listed IT firms in the period 1983-2004, we show that (a) Japanese IT innovation relies less on software advances than US IT innovation, (b) the innovation performance of Japanese IT firms is increasingly lagging behind that of their US counterparts, particularly in IT sectors that are more software intensive, and (c) that US IT firms are increasingly outperforming their Japanese counterparts, particularly in more software intensive sectors. The findings of this paper thus provide a fresh explanation for the relative decline of the Japanese IT industry in the 1990s. Finally, we provide suggestive evidence consistent with the hypothesis that human resource constraints played a role in preventing Japanese firms from adapting to the shift in the nature of innovation in IT.

Keywords: Innovation; Technological change; IT industry; Software innovation; Japan (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cse, nep-ino, nep-ipr and nep-tid
Date: 2011-08
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Working Paper: Going Soft: How the Rise of Software Based Innovation Led to the Decline of Japan's IT Industry and the Resurgence of Silicon Valley (2010)
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