Following the approach of Corrado, Hulten, and Sichel (2005, 2006), we measure intangible investment and examine the contribution of intangible capital to economic growth in Japan. We find that the ratio of intangible investment to GDP in Japan has risen during the past 20 years and now stands at 11.1 percent, which is lower than the ratio estimated for the U.S. in the early 2000s. The ratio of intangible to tangible investment in Japan is also lower than equivalent values estimated for the U.S. In addition, we find that, in stark contrast to the U.S., where intangible capital grew rapidly in the late 1990s, the growth rate of intangible capital in Japan declined from the late 1980s to the early 2000s. Our conclusions regarding intangible investment in Japan remain largely unchanged even if, using data with respect to firm-specific resources, we take on-the-job training into account. Copyright 2009 The Authors. Journal compilation International Association for Research in Income and Wealth 2009.
The Great East Japan Earthquake of March 11, 2011 had a serious negative economic impact on the Japanese economy. The earthquake substantially reduced production not only in regions directly hit by the earthquake but also in other parts of Japan through supply chain disruptions. We examine the economic impact of the supply chain disruptions immediately following the earthquake using regional input-output (IO) tables, the Japan Industrial Productivity (JIP) database, and other regional statistics. To conduct our analysis, we modify the forward linkage methodology to take into account the first-stage bottleneck effect in the intermediate input of manufacturing production. We also create our own interregional input-output table by combining two different regional IO tables. Our estimates show that the production loss caused by the supply chain disruptions would be a maximum of 0.41% of the country's gross domestic product (GDP). We also analyzed the possible damage mitigating effects of establishing multiple supply chains to cope with potential natural disasters in the future. However, as multiple supply chains may lose production efficiency at the firm level, we need some policies that give incentives to firms which diversify supply chains.
This paper investigates the effects of the ownership structure on the R&D intensity. Using the Japanese machine-manufacturing firm data from 1987 till 1998, we first found that the effects of R&D on stock market valuation and TFP growth were significantly positive in the latter half of the 1990s. Next, analyzing the determinants of the R&D intensity in 1998, we found that the shareholding ratios of large shareholders and the leverage ratios were positively correlated with R&D intensity, while the proportion of bank loans to total debt was negatively correlated with it. These results are consistent with the hypotheses that stress the disciplinary roles of large shareholders and debt. It is also consistent with a bank's holdup hypothesis. Finally, comparing the results of 1998 with those of 1989, we found that the positive roles of keiretsu affiliation and cross-shareholdings disappeared during the last decade.R&D, Corporate governance, Ownership structure, Japan,
In estimating intangible investment in Japan at the industry level, we find a high intangible investment/gross value added ratio in the information technology (IT) sector and negative growth rates in intangible capital in 13 industries over the decade from 2000. When we examine the impacts of intangible investment on total factor productivity growth, we find a significant and positive effect on total factor productivity growth in the market economy. In a revised estimation that considers intertemporal knowledge spillovers, the estimated rate of return on intangibles in the IT sector is quite high after the IT revolution. The results imply that intangible assets have been underinvested in the IT sector.
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