The air pollution of SO2 due to coal combustion has been a serious environmental problem in China. The objective of this study is to evaluate desulfurization activities to reduce air pollutions and health damages and to propose an optimal environmental policy in Tianjin. The computer simulation...

In this research, the environmental and energy technologies suitable for both city and rural area in China are introduced and the effects of environmental improvement due to the installation of these technologies are evaluated. Tianjin city are selected as the area that have both city and rural...

This study uses micro-data on research and development, and finance of Japanese firms from 1995 to 2005 and examines the effect of knowledge spillover on the performance of firms. Four types of knowledge spillover are estimated and results of quantitative analysis on following the two topics are...

This paper examines the impact of public R&D subsidies on firm's R&D activities using micro-data on Japanese manufacturing firms from 1995 to 2005. We focus on two effects. One is the quantitative impact of whether the public R&D subsidies crowed out firm's own R&D investment or not. The other...

This study addresses the case of Tianjin in China and seeks a suitable environmental policy for the region. The Tianjin inter-regional input-output table is estimated and the economic and environmental impacts of environmental conservation technologies are measured. This study investigates the...