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黄,雅诗,(Ya-Shih, Huang) 강원한국학연구원 2017 국제한국학저널 Vol.2 No.-
Under the Distribute system, every year Korea would send envoys to China. After thousands of years communicated via this pattern, Korea learned institution, custom, literature, even thoughts, from China. It seems devoting to Chinese culture becomes a tradition in Korea, but actually they had their own theory. By studying the Huanghua ji, it is possible to figure out the progress of China-Korea diplomacy relationship and the real image of Ming dynasty in Korea. 以汉字为交流基础的中朝两国展开了长达数千年的“朝贡-册封”交流模式:朝鲜每年皆有大量使臣和学子前往中国。而中国所展现出的文化深度,使得他们在制度法条、衣冠,甚或是思想、文学等层面,深受吸引。值得注意的是,朝鲜的“慕华”行为,在大明朝达到巅峰。几乎可以称作“惟明是从”的态度,在清朝已是平常,但在明朝却远非如此。透过《皇华集》的刊刻、朝鲜对当时与之唱和的诸位使臣之评论,可以推究出皇明一代,中朝关系从怀疑到稳固的过程,以及李氏朝鲜心目 中的“明朝”。
Ya-Chun Wang,Chi Wang,Ping-Wen Shih,Pei-Ling Tang 대한지역사회영양학회 2020 Nutrition Research and Practice Vol.14 No.3
BACKGROUND/OBJECTIVES: Type 2 Diabetes mellitus (T2DM) is a hereditary disease that is also strongly dependent on environmental factors, lifestyles, and dietary habits. This study explored the relationship between lifestyle habits and glycosylated hemoglobin management in T2DM patients to provide empirical outcomes to improve T2DM management and patient health literacy. SUBJECTS/METHODS: This study enrolled 349 diabetic patients with more than 5 care visits to a Diabetes Mellitus care network under the Health Management Plan led by Taiwan Department of Health (DOH). Based on relevant literature, an Outpatient Record Form of Diabetes Mellitus Care was designed and lipid profile tests were conducted for data collection and analysis. RESULTS: When modeling the data, the results showed that the odds for HbA1c > 7.5% in T2DM patients duration over 10 years was 3.785 (P = 0.002) times that in patients with disease duration of fewer than 3 years. The odds of HbA1c > 7.5% in illiterate patients was 3.128 (P = 0.039) times that in patients with senior high school education or above. The odds of HbA1c > 7.5% in patients with other chronic illness was 2.207 (P = 0.019) times that in participants without chronic illness. Among 5 beneficial lifestyle habits, the odds of HbA1c > 7.5% in patients with 2 or 3 good habits were 3.243 (P = 0.003) and 3.424 (P = 0.001) times that in patients with more than 3 good habits, respectively. CONCLUSION: This empirical outcome shows that maintaining a good lifestyle improves T2DM management and patients" knowledge, motivation, and ability to use health information. Patients with longer disease duration, education, or good lifestyle habits had optimal HbA1c management than those in patients who did not. Thus, effective self-management and precaution in daily life and improved health literacy of diabetic patients are necessary to increase the quality of T2DM care.
Downside Risk Control in Continuous Time Portfolio Management
Ya-Wen Hwang,Han-Cong Cai,Shih-Chieh Bill Chang 한국증권학회 2013 Asia-Pacific Journal of Financial Studies Vol.42 No.6
Institutionally managed savings have dramatically increased in recent decades. In order to ensure that portfolio managers work directly for investors, controlling downside risk is a crucial mechanism in the agent’s asset allocation strategy. In this paper, we extend the agent’s asset allocation problem by incorporating multi-period downside control over the time-varying opportunity set. We show that optimal asset allocation can be regarded as a series of separate dynamic strategies in replicating the synthetic call options with the utility-related mutual fund and guarantee exercise. Numerical simulations show that increasing the minimum effectively increases the equity holding. Moreover, fund managers are inclined to hold only fixed income portfolios once the target return is obtained.
( Tun-ya Yang ),( Si-yuan Huang ),( Wei-che Tsai ),( Pei-shih Weng ) 한국파생상품학회(구 한국선물학회) 2020 선물연구 Vol.28 No.4
This paper aims to investigate the impact of day trading on market quality on the Taiwan stock market with the implementation of a unique policy change. This paper examines 396 listed stocks from June 2015 to October 2016, a period when the stock market in Taiwan officially approved selected stocks for day trading for all investors. Within the sample period, the empirical findings show that day trading increases the bid-ask spread, price depth and stock volatility, indicating that day trading activities not only cause higher transaction costs and trading risk but also raise the market’s ability to absorb price impact. This paper considers two-stage regression and tests the exogenous shock because of further relaxation for day trading to deal with the possible endogenous problem and the main findings remain consistent. Since early 2014, the Taiwan stock market has been experiencing a distinct growth in trading volume after unwinding the day trading; however, the results show that the impacts of stock day trading on market quality are not all positive.
Chang-Liang Shih,Quei-Min Liao,Ya-Yuan Wang,Wu-Chun Tu 한국응용곤충학회 2019 Journal of Asia-Pacific Entomology Vol.22 No.4
The abundance and host-seeking activity of the biting midge, Forcipomyia taiwana (Shiraki), were measured in Central Taiwan at 418 locations with low, medium, and high densities using a human-bait method. Abundance estimates at 10 min after sampling commenced were comparable to longer sampling periods of 20 min, allowing a shorter 10 min sampling period to be used throughout. Host-seeking F. taiwana females were only active during daylight and biting activity did not occur after sunset. The diurnal activity of host-seeking females changed seasonally, beginning at around 07:00–08:00 during the spring equinox, summer solstice, and autumnal equinox, whereas activity began an hour later in winter. Most females were collected during 10:00–16:00, with a peak abundance during 13:00–15:00. Blood-sucking activity of female F. taiwana were positively correlated with ambient temperature with a minimum threshold of 18 °C. When different years, seasons, trapping times, environmental factors, and female adults trapped were analyzed using multiple regression model, the results showed that all these factors contributed to the regression model and the determination coefficient (R 2 ) of this multiple regression model was 0.81.