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김병우 한국교통대학교 2015 한국교통대학교 논문집 Vol.50 No.-
This paper aims to identify the prospect for South Korea using several growth models. We distinguish the fact that share of technical change is relatively small in decomposition of output growth from that research effort is significant in growth regression. This paper also aims to identify the relationships between R&D share and macroeconomic variables like employment in R&D sector, overall economic growth rate, etc. In comparative statics, a permanent increase in research efforts cause the economy to grow at higher speed. Input of Korean economy to R&D sector has many effects on the whole economy. We try to distinguish growth effects from level effects, and measure the magnitude of policy shocks. Based on the numerical results of the analysis on several sectors like manufacturing sector, we try to give policy implication: in the Korean economy, creativity in order to accelerate technological development and adoption of a new innovation mode determine the (long-run) equilibrium level of GDP per capita and may have scale effects. Finally, we calculated the differences in optimal and decentralizedly determined research intensity using two new growth models. We concluded that government policy is need to correct market failure(externalities).
Exo-inulinase 생산 균주의 분리ㆍ동정 및 효소 생산의 최적화
김병우,이경희 한국생명과학회 1999 생명과학회지 Vol.9 No.1
A bacterium producing exo-inulinase was isolated from soil and identified Pseudomonas sp. and named as Pseudomonas sp. NO5. The optimal culture conditions for the efficient production of exo-inulinase from Pseudomonas sp. NO5 were obtained by cultivating with the medium 1$\%$ sucrose, 0.5$\%$ yeast extract, 0.5$\%$ $(NH_4)_2$$HPO_4$, 0.05$\%$ $MgSO_4$ㆍ$7H_2$0, 0.001$\%$ and $FeSO_4$ㆍ$7H_2$0 at $37^{\circ}C$ in initial pH 7.0 for 20 hours. The enzyme was induced maximally in the presence of sucrose or inulin at early stationary phase about 20 hour after cultivation.