16 research outputs found

    Estimating the CoVaR for Korean Banking Industry

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    The concept of CoVaR introduced by Adrian and Brunnermeier (2009) is a useful tool to measure the risk spillover effect. It can capture the risk contribution of each institution to overall systemic risk. While Adrian and Brunnermeier rely on the quantileโ… . ์„œ ๋ก  โ…ก. CoVaR ์ถ”์ •๋ชจํ˜• ใ€€1. ๋ถ„์œ„์ˆ˜ ํšŒ๊ท€ ์ถ”์ • ใ€€2. ๋ชจ์ˆ˜์  ๋ถ„ํฌํ•จ์ˆ˜๋ฅผ ์ด์šฉํ•œ ์ถ”์ •: ๋น„์กฐ๊ฑด๋ถ€ ๋ชจํ˜• ใ€€3. ๋ชจ์ˆ˜์  ๋ถ„ํฌํ•จ์ˆ˜๋ฅผ ์ด์šฉํ•œ ์ถ”์ •: GARCH ๋ชจํ˜• โ…ข. ์ถ”์ • ๊ฒฐ๊ณผ โ…ฃ. ๋งบ์Œ

    A Study on Higher Education and Labor Market Transition of Young People

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    ๋ณธ ์—ฐ๊ตฌ๋Š” 1์ฐจ๏ฝž11์ฐจ ํ•œ๊ตญ๊ต์œก๊ณ ์šฉํŒจ๋„(KEEP) ์›์ž๋ฃŒ๋ฅผ ์—ฐ๊ฒฐํ•˜์—ฌ ๊ต์œก-๊ณ ์šฉ ์ด๋ ฅ ๋ฐ์ดํ„ฐ๋ฅผ ๊ตฌ์ถ•ํ•˜๊ณ  ๊ทธ ํ™œ์šฉ ๋ฐฉ๋ฒ•์„ ์ œ์‹œํ•˜๋Š” ๊ธฐ์ˆ ์  ์—ฐ๊ตฌ(technical study)์ด๋‹ค. ๊ตฌ์ถ•ํ•œ ์ด๋ ฅ ๋ฐ์ดํ„ฐ์— ์žˆ๋Š” status_history ๋ณ€์ˆ˜๋Š” ๊ณ ๋“ฑ๊ต์œก ์ง„ํ•™์—ฌ๋ถ€, ์žฌํ•™ ์ค‘์ธ ํ•™๊ต ๋ฐ ์ตœ์ข…ํ•™๋ ฅ ์ดํ›„ ์ทจ์—…์—ฌ๋ถ€ ์ •๋ณด๊ฐ€ ๋ชจ๋‘ ํฌํ•จ๋˜์–ด ์žˆ๋‹ค. ๋˜ ๋‹ค๋ฅธ ๋ณ€์ˆ˜์ธ job_history ๋ณ€์ˆ˜๋Š” ์ทจ์—…ํ•œ ํ‘œ๋ณธ์— ๋Œ€ํ•ด ์ผ์ž๋ฆฌ ํ˜•ํƒœ ๋ฐ ๊ทผ๋ฌดํ˜•ํƒœ๋ฅผ ์—ฐ๊ฒฐํ•œ ์ •๋ณด๋ฅผ ๋‹ด๊ณ  ์žˆ๋‹ค. ์ด์™€ ๊ฐ™์€ ๊ต์œก-๊ณ ์šฉ ์ด๋ ฅ ๋ฐ์ดํ„ฐ๋ฅผ ์ด์šฉํ•˜๋ฉด ์ค‘ใ†๊ณ ๋“ฑํ•™์ƒ๋“ค์˜ ๋Œ€ํ•™์กธ์—… ํ›„ ๋…ธ๋™์‹œ์žฅ ์ง„์ถœ๊นŒ์ง€์˜ ๊ฒฝ๋กœ๋ฅผ ๋ฒ”์ฃผํ™”ํ•˜์—ฌ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์žˆ๋Š” ์žฅ์ ์ด ์žˆ๋‹ค. ๋˜ํ•œ ๊ฐœ๋ณ„ ์—ฐ๊ตฌ์ž๋“ค์ด ์ด๋ ฅ ๋ฐ์ดํ„ฐ์— ํฌํ•จ๋œ ๋ณ€์ˆ˜์™€ ์ž์‹ ์˜ ๊ด€์‹ฌ ๋ณ€์ˆ˜๋ฅผ ๋ณ‘ํ•ฉํ•˜์—ฌ ์—ฐ๊ตฌ์šฉ ๋ฐ์ดํ„ฐ๋ฅผ ์†์‰ฝ๊ฒŒ ๋งŒ๋“ค ์ˆ˜ ์žˆ๋‹ค. ๊ต์œก-๊ณ ์šฉ ๋ฐ์ดํ„ฐ์˜ ํ™œ์šฉ ๋ฐฉ๋ฒ•์„ ์˜ˆ์‹œ์ ์œผ๋กœ ๋ณด์—ฌ์ฃผ๊ธฐ ์œ„ํ•ด ๊ณ 3 ์ฝ”ํ˜ธํŠธ์™€ ์ค‘3 ์ฝ”ํ˜ธํŠธ์˜ ๋…ธ๋™์‹œ์žฅ ์ง„์ถœ ์ด๋ ฅ์„ ํƒ์ƒ‰์  ์—ฐ๊ตฌ๋ฐฉ๋ฒ•์„ ํ†ตํ•ด ๋น„๊ต ๋ถ„์„ํ•œ๋‹ค. KEEP ๊ด€๋ จ ์—ฐ๊ตฌ์ž๋“ค์„ ์œ„ํ•ด ์ €์ž๋“ค์ด ๊ตฌ์ถ•ํ•œ ์ด๋ ฅ ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ํฌํ•จํ•˜๋Š” Stata ์ฝ”๋”ฉ์„ ๋ถ€๋ก์—์„œ ์ œ์‹œํ•œ๋‹ค.This study aims to construct and provide the education-employment history data using Korean Education & Employment Panel (KEEP)'s 1st-11th waves. Among the generated variables, "status-history" contains the higher education path, college/ university name, and current employment status after the final education. And, the job-history variable for employed persons includes job type along with working status. Using this data set, we can distinguish and categorize the labor market participation history of middle and high school students in the early waves. Through exploratory research methods, we can compare labor market participation and performance of the two cohorts (middle and high-school students). In the Appendix, we offer detailed STATA codes describing how to utilize this history data for other related researches

    Development of heat exchanger network synthesis software using pinch technology

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    A Predictive Model for the Employment of College Graduates Using a Machine Learning Approach

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    ๋ณธ ์—ฐ๊ตฌ๋Š” ๋จธ์‹ ๋Ÿฌ๋‹์˜ ๋žœ๋ค ํฌ๋ฆฌ์ŠคํŠธ ๊ธฐ๋ฒ•์„ ์ด์šฉํ•˜์—ฌ ๋Œ€์กธ์ž์˜ ์ทจ์—… ์—ฌ๋ถ€์™€ ์ทจ์—…์˜ ์งˆ์„ ์˜ˆ์ธกํ•˜๋Š” ๋ชจํ˜•์„ ์ œ์‹œํ•œ๋‹ค. ์ „ํ†ต์  ํšŒ๊ท€๋ถ„์„์—์„œ๋Š” ์„ค๋ช…๋ณ€์ˆ˜์˜ ์™ธ์ƒ์„ฑ์ด๋‚˜ ์˜ค์ฐจํ•ญ ๋ถ„ํฌ์— ๋Œ€ํ•œ ์ œ์•ฝ์ด ์žˆ์ง€๋งŒ ๋จธ์‹ ๋Ÿฌ๋‹ ์ ‘๊ทผ๋ฒ•์€ ์ด๋Ÿฌํ•œ ์ œ์•ฝ์—์„œ ์ƒ๋Œ€์ ์œผ๋กœ ์ž์œ ๋กœ์šด ํŽธ์ด๋‹ค. ๋ณธ ์—ฐ๊ตฌ์—์„œ ์‚ฌ์šฉํ•œ ์˜ˆ์ธก์ธ์ž์—๋Š” ๋Œ€์กธ์ž์˜ ๊ฐ๊ด€์  ํŠน์„ฑ ๋ณ€์ˆ˜๋ฟ ์•„๋‹ˆ๋ผ ์ทจ์—…๊ด€๋ จ ํ”„๋กœ๊ทธ๋žจ ์ฐธ์—ฌ ์—ฌ๋ถ€, ์ผ์ž๋ฆฌ ์„ ํƒ ์‹œ ๊ณ ๋ ค์‚ฌํ•ญ, ๊ฐ์ •๋นˆ๋„ ๋ณ€์ˆ˜ ๋“ฑ ์‘๋‹ต์ž๊ฐ€ ์ฃผ๊ด€์ ์œผ๋กœ ํ‰๊ฐ€ํ•˜๋Š” ํŠน์„ฑ๊นŒ์ง€ ํฌํ•จ๋˜์–ด ์žˆ๋‹ค. ๋ถ„์„๊ฒฐ๊ณผ๋ฅผ ๋ณด๋ฉด, ๊ฐ๊ด€์  ๋ฐ ์ฃผ๊ด€์  ์˜ˆ์ธก์ธ์ž๋ฅผ ๋ชจ๋‘ ์‚ฌ์šฉํ•˜๋Š” ๋ชจํ˜•์ด ๊ฐ๊ด€์  ์˜ˆ์ธก์ธ์ž๋งŒ ์‚ฌ์šฉํ•œ ๋ชจํ˜•์— ๋น„ํ•ด ์ทจ์—…์—ฌ๋ถ€์™€ ์ทจ์—…์˜ ์งˆ์„ ์˜ˆ์ธกํ•˜๋Š” ๋ชจํ˜• ๋ชจ๋‘์—์„œ ์˜ˆ์ธก์„ฑ๊ณผ๊ฐ€ ๋” ์šฐ์ˆ˜ํ•œ ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋žœ๋ค ํฌ๋ฆฌ์ŠคํŠธ ๊ธฐ๋ฒ•์„ ์‚ฌ์šฉํ•˜์—ฌ ์˜ˆ์ธก์ธ์ž์˜ ์ƒ๋Œ€์  ์ค‘์š”์„ฑ์„ ํŒŒ์•…ํ•œ ๊ฒฐ๊ณผ, ์ทจ์—…์—ฌ๋ถ€ ๋ชจํ˜•์—์„œ๋Š” ๊ฐ€๊ตฌ์ฃผ ์—ฌ๋ถ€, ๋ถ€๋ชจ๋™๊ฑฐ ์—ฌ๋ถ€์™€ ๊ฐ™์€ ๊ฐ๊ด€์  ๋ณ€์ˆ˜๋ฟ ์•„๋‹ˆ๋ผ ์ฃผ๊ด€์  ๋ณ€์ˆ˜์ธ ๊ฐ์ •๋นˆ๋„ ๋ณ€์ˆ˜๋„ ์ค‘์š”ํ•œ ์˜ํ–ฅ์„ ๋ฏธ์ณค๋‹ค. ์ทจ์—…์˜ ์งˆ์— ์žˆ์–ด์„œ๋„ ํ•™๊ต์œ ํ˜•์ด๋‚˜ ์ „๊ณต๊ณ„์—ด๊ณผ ๊ฐ™์€ ๊ฐ๊ด€์  ๋ณ€์ˆ˜๋Š” ๋ฌผ๋ก  ์ฃผ๊ด€์  ๊ฐ์ •๋นˆ๋„ ๋ณ€์ˆ˜๊ฐ€ ์ค‘์š”ํ•œ ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค.This study presents a model to predict the employment status and the employment quality of college graduates using the random forest method of machine learning. In traditional regression analysis, there are some constraints on the problem of endogeneity and distribution of errors. However, the machine learning approach is relatively free from these constraints. The predictors used in this study include not only the objective characteristics of college graduates but also characteristics of respondents' subjective evaluation, including participation in employment programs, consideration of job selection, and emotional frequency. The estimation results show that the models using both objective and subjective predictors have better predictive performances than the model using only objective predictors in both the employment status and the employment quality models. As a result of analyzing the relative importance of predictors using the random forest method, not only the subjective variables such as householder status, parental cohabitation, and major, but also subjective variables, such as the emotional frequency, have an important effect on the employment status. This is also true of the model for predicting the quality of employment
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