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배영수,조광헌,Bae, Young-Soo,Jo, Kwang-Hun 대한치과보철학회 1986 대한치과보철학회지 Vol.24 No.1
Numerous studies have been reported on the movement of the jaw during chewing. However, there is still much controversy. The purposes of this study were to observe the jaw movement during mastication and to provide the information in prosthodontic treatment and diagnosis of temporomandibular disorder. The author analyzed the time and characteristics of the masticatory movement during chewing using mandibular kinesiograph in 24 subjects, 17 males 7 females, age of 22-27 without orofacial problems. The obtained results were as follows: The duration of single chewing cycle was $515{\pm}87msec.$. Comparing the three phases of the chewing cycle (opening, closing, centric pause), the closing phase had the longest duration, and the centric pause had the shortest duration. The maximal laterotrusive movement of the mandible druing chewing was $3.5{\pm}1mm$. The maximal mediotrusive movement of the mandible during chewing was $1.0{\pm}0.7mm$. The maximal vertical velocity of the mandible during chewing was $120{\pm}28mm/sec.$ in opening phase, and $109{\pm}21mm/sec.$ in closing phase. 경북대학교 치과대학에 재학중인 남자 17명, 여자 7명 총 24명을 연구대상으로 M.K.G의 sweep mode에 나타나는 저작운동을 분석한 바 다음과 같은 결과를 얻었다. 단일 저작회로의 기간은 $515{\pm}87msec.$ 이며, 이중 폐구 기간이 가장 길었고, 개구 기간, centric pause의 기간 순위였다. (P<0.005). 개구시 저작측으로 측방변위한 양은 $3.5{\pm}1mm$이었고, 비저작측으로 측방변위한 양은 $1.0{\pm}0.7mm$이었다. 개구시 최대 수직속도는 $120{\pm}28m/sec.$이며, 폐구시 최대 수직속도는 $109{\pm}21mm/sec.$로서 개구시의 최대 수직속도가 더 빠르게 나타났다. (P<0.05).
중앙은행의 커뮤니케이션이 정책금리에 대한 기대에 미치는 영향
배영수 ( Young Soo Bae ) 한국경제학회 2014 經濟學硏究 Vol.62 No.4
이 논문은 한국은행의 커뮤니케이션이 정책금리에 대한 기대에 미치는 영향을 실증적으로 분석하고 있다. 먼저 Eijffinger and Geraats(2006)의 방법론에 따라 한국은행의 커뮤니케이션 지수를 측정한 결과 2004년 이후 꾸준히 상승하는 것으로 나타났다. 이 지수를 이용하여 한국은행의 커뮤니케이션이 정책금리에 대한 기대의 정확성과 동조성에 미치는 영향을 실증적으로 분석하였다. 분석 결과 한국은행의 커뮤니케이션 확대는 기대의 정확성에는 통계적으로 유의한 긍정적인 영향을 미치는 반면 기대의 동조성에는 통계적으로 유의한 영향을 미치지 않는 것으로 나타났다. 이는 우리나라의 경우에도 중앙은행의 커뮤니케이션 확대가 경제주체의 정책금리에 대한 기대에 긍정적인 영향을 미쳐 통화정책의 효율성을 제고할 수 있음을 시사한다. This paper empirically investigates the impact of the Bank of Korea(BOK) communication on expectations about monetary policy rate. First, the BOK communication index is measured by the methodology of Eijffinger and Geraats(2006). Using this index, the effects of the communication on expectations about the BOK policy rate in terms of accuracy and homogeneity are investigated. Empirical results show that an increase in the BOK communication index has a statistically significant and positive impact on forecasting accuracy, but it has no significant impact on forecasting homogeneity. This implies that the BOK communication might have a positive influence on the effectiveness of monetary policy by improving expectations about the BOK policy rate.
배영수(Bae, Young-soo) 역사학회 2012 역사학보 Vol.0 No.216
This essay argues that the human nature is an essential, though neglected, topic to the controversy on "the Rise of the West". William McNeil, Eric Jones or David Landes does not treat the human nature in explicit ways. But they regard European modernity as something achieved by secular and rational men, particularly by those who were in pursuit of economic interests among other things. In other words, homo economicus is the determinant agent that explains "the Rise of the West". The so-called "California School", critics of Eurocentric perspectives, does not properly examine the human nature. Andre Gunder Frank, Kenneth Pomeranz, and Roy Bin Wong have paid attention to structures and environments, such as state systems, world economy or ecology, but they make light of human agency in history. When they stress similar patterns of development up to the early 19th century, these critics tend to describe traditional Chinese in terms of homo economicus. What"s more, Dipesch Charkrabarty, who attempts to shape an alternative to Eurocentric perspectives, does not explore the human nature, taking much the same position as the "California School". Therefore, Eurocentric historians share their idea of human nature with their critics. In their idea, centered around homo economicus, however, the human nature is treated as something universal and transhistorical. Such an idea does not help explain the diversity of modern history.