• Title/Summary/Keyword: dummy variables

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A Study on Determinants of High-growth Firms: Focusing on Technology Appraisal Indicators (고성장기업의 결정요인에 관한 연구: 기술평가지표를 중심으로)

  • Kim, Sung-tae;Hong, Jae-bum
    • Journal of Technology Innovation
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    • v.23 no.3
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    • pp.373-396
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    • 2015
  • This study analyzed the determinants of high-growth firms using the technology appraisal data of the Korea Technology Finance Corporation. This study is differentiated from previous studies for three reasons. First, it analyzed the determinants of firms that will grow into high-growth firms in the future, not the characteristics of current high-growth firms. Second, it analyzed high-growth firms by dividing them in two aspects: sales and employment. In other words, they were divided into three types: the case in which a firm achieves high growth in both sales increase and creation of jobs, the case in which a firm achieves high growth in creation of jobs but low growth in sales increase, and the case in which a firm achieves high growth in only sales increase but low growth in creation of jobs. Third, this study applied the technology appraisal indicators of Kibo Technology Rating System(KTRS) by the Korea Technology Finance Corporation as the explanatory variable. As a result of analysis, it was found that a firm achieved high growth in both sales and employment if the position in the technology life cycle was appropriate and the technology readiness level was high. However, it turned out that the management system of technical manpower had conflicting effects on high growth of employment and sales. In other words, a firm that had well managed its technical manpower achieved high growth in terms of employment, but rather showed low growth in terms of sales. This result suggests the inference that firms showing high growth in employment may appear mainly in the high-tech industry where management of technical manpower is important. Accordingly, as a result of adding dummy variables that represent whether or not firms are in the high-tech industry, it was found that the result supported the inference, as firms in the high-tech industry were highly likely to achieve high growth in employment.

Relationships among Volunteer Activities, Emotional Intelligence and Major Satisfaction of Nursing Students (간호대학생의 봉사활동, 감성지능, 전공만족도 관계)

  • Park, Pil-Nam
    • The Journal of the Korea Contents Association
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    • v.17 no.11
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    • pp.264-273
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    • 2017
  • The purpose of this study was to identify the relationship between volunteer activities and emotional intelligence on the major satisfaction level of nursing college students. This study was a descriptive research design to investigate 252 nursing college students in a university. The data were collected using self-reported questionnaires and analyzed by descriptive statistics, frequency analysis, t-test, one-way ANOVA, correlation analysis, and multiple regression analysis using dummy variables. As a result of the study, 71.8% of the students had experienced volunteer activities. The average level of emotional intelligence of all participants was 4.84 points out of 7, and the major satisfaction level was 3.87 points out of 5 points, each of them was above middle level. The correlations among the attitude of volunteer activity, emotional intelligence, and major satisfaction were statistically significant. The attitude of volunteer activity and emotional intelligence (r=0.329), the attitude of volunteer activity and major satisfaction (r=0.271), emotional intelligence and major satisfaction(r=0.525) showed a statistically significant difference at the significance level of 0.01. There were grade, university life satisfaction, and emotional intelligence as factors affecting major satisfaction, and the explanatory power of these factors was 41.6%. In order to improve the major satisfaction level of nursing students based on the results of this study, it was confirmed that various strategies are needed to improve university life satisfaction and emotional intelligence.

Searching for Growth Engine: For the Firms Belonging to the Chaebol in the Korean Capital Markets (한국 재벌기업들의 성장 동력에 관한 재무적 결정요인 분석)

  • Kim, Hanjoon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.12
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    • pp.7134-7147
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    • 2014
  • This study examined one of the contemporary issues that may be interesting to academics and practitioners regarding the driving force of the growth rate for the firms belonging to the chaebols in the Korean capital markets. With respect to the empirical results obtained from two hypothesis tests, the first hypothesis was to identify any financial determinants on the growth rate by applying both dynamic panel data and static panel data models. The debt ratios relevant to the book- and market-value showed their positive relationships with the DV of GROWTH1, along with other significant IDVs such as one-period lagged DV of GROWTH_1, SIZE1 and FOS with statistical significance. Second, by employing conditional quantile regression (CQR) analysis, the control variables, such as ROA, SMARKET, time dummy variable of F2010 and F2011, and the industry dummies of IND3 and IND10, provided evidence of their significant influences on DV of GROWTH1.

Further Examinations on the Financial Aspects of R&D Expenditure For Firms Listed on the KOSPI Stock Market (국내 KOSPI 상장기업들의 연구개발비 관련 재무적 요인 심층분석)

  • Kim, Hanjoon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.4
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    • pp.446-453
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    • 2018
  • The study examines corporate research & development (R&D) expenditure in modern finance. Firms may face one of the essential issues to maintain their optimal levels of R&D expenditures in order to increase corporate profit. Accordingly, financial determinants that may influence R&D spending are statistically tested for firms listed on the KOSPI stock market during the period from 2010 to 2015. Financial determinants which may discriminate between firms in high-growth and low-growth industries are examined on a relative basis. Explanatory variables including one-period lagged R&D expenses (Lag_RD), cross-product term between the Lag_RD and type of industry (as a dummy variable), and advertising expenses (ADVERTISE) significantly influenced corporate R&D intensity. Moreover, high-growth firms in domestic capital markets showed higher Lag_RD, profitability (PROF) and foreign equity ownership (FOS) than their counterparts in low-growth sectors, whereas low-growth firms had higher market-value based leverage (MLEVER) and ADVERTISE. Overall, these results are expected to influence decision-making of firms concerning the optimal level of R&D expenditure, which may in turn enhance shareholder wealth.

The Evaluation of Youth Overeducation and its Impact on the Wage System in Korea (청년층 학력과잉이 임금에 미치는 영향에 대한 분석 - 경제위기 전·후를 중심으로 -)

  • Park, Sung-Joon;Hwang, Sang-In
    • Journal of Labour Economics
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    • v.28 no.3
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    • pp.141-166
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    • 2005
  • The purpose of this study is to evaluate the status of youth overeducation and to analyze the impact on the wage system, before and after the financial crisis. In this study, we adapt the following method; first, we investigate the year 1996 (before financial crisis) and year 2000 (after financial crisis) data from "the Survey Report on the Wage structure", based on the data from "the Occupational Dictionary" by occupation group. So we could evaluate the difference between the youth over-educational status, before and after financial crisis. Second, we analyze the reason why the difference occurs, with financial crisis dummy variable and other variables such as sex, occupation, industry. Third, we try to find the difference between the impact of the overeducation on the wage rate, before and after financial crisis. The main findings are as follows; first, the degree of overeducation in year 2000 is more than in year 1996. So the financial crisis plays the important role in deepening the degree of overeducation. Second, the wage rate of the overeducated worker is higher than that of the required-educated worker. Also, the both wage rates are increased after financial crisis. However, the difference of both wage rates' has declined over the financial crisis. Such a finding means that even though the both wage rates of the overeducated and the required-educated worker are increased, the wage rate of the required-educated worker has increased much more than that of overeducated worker, after the financial crisis.

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The Effect of Controlling Shareholders md Related-Party Transactions on Firm Value (대주주 소유구조 및 연계거래 여부가 기업가치에 미치는 영향에 관한 실증연구)

  • Lee, Won-Heum
    • The Korean Journal of Financial Management
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    • v.23 no.1
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    • pp.69-100
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    • 2006
  • We examine the effect of controlling shareholders ownership structure and related-party transactions(hereafter 'RPT') of publicly traded companies on their firm values during the post-IMF period. In the multivariate regression analysis using control variables such as firm size, capital structure, investment, dividend, profitability and industry dummy that might affect firm values, we find that there exists a significant negative relation between the controlling shareholders ownership structure and firm values proxied by Tobin's Q, and also find that there is a significant negative relation between RPT and the firm values. Those evidences seem to support the controlling shareholders' expropriation hypothesis. Additionally, we investigate the relation between ownership structure and rim value through the piecewise regression analysis. We find a significant 'inverse' U-shape pattern between the controlling shareholders ownership structure and firm values. This result is quite different from the existing literatures that have usually reported an U-shape pattern. In conclusion, the findings in this study do not support the notion that the ownership concentration to the controlling shareholders does negatively affect the firm values monotonically.

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The Effects of Self-efficacy, Appearance Satisfaction in Major on Employment Stress of Nursing College Students (간호대학생의 자아존중감, 외모만족도, 전공만족도가 취업스트레스에 미치는 영향)

  • Kim, Kyoung-Nam;Kang, Eun-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.3
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    • pp.80-88
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    • 2020
  • This study aimed to determine the effects of self-esteem, appearance satisfaction, and satisfaction in their major on the employment stress of nursing college students. The subjects were 194 students from four colleges of nursing in P-province in Korea. Data were collected from self-administered questionnaires, t-test, ANOVA, Pearson's and Spearman's correlation coefficients. Multiple regression with dummy variables was used for statistical analysis of the data. The results revealed the following scores: self-esteem 3.40±0.53, appearance satisfaction 2.96±0.56, satisfaction with the major 3.80±0.61, and employment stress 2.23±0.75. Significant differences in employment stress according to general characteristics of subjects were observed in gender (t=7.40, p=.007), entering nursing college motivation (F=3.24, p=.023), and college life satisfaction (F=16.722, p<.001). Employment stress showed a negative correlation with self-esteem (r=-.433, p<.001), appearance satisfaction (r=-.307, p<.001), and satisfaction in major (r=-.534, p<.001). The satisfaction with the major (β=-.371, p<.001), self-esteem (β=-.166, p=.026), appearance satisfaction (β=-.132, p=.045), entering nursing college motivation (β=.163, p=.006), and gender (β=.131, p=.033) confirmed as a factors affecting the employment stress and accounted for 35.6% of the variance. Based on the results, it is necessary to develop employment-competency reinforcement programs to increase the level of satisfaction in the major, appearance satisfaction, and self-esteem to reduce the employment stress of nursing college students.

The Blood Pressure Level and Sexual Maturity in the Children at Puberty (사춘기 아동의 성적성숙도와 혈압수준)

  • Kim, Kyoo-Sang;Lee, Soon-Young;Suh, Ill;Nam, Chung-Mo;Jee, Sun-Hwa
    • Journal of Preventive Medicine and Public Health
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    • v.26 no.3 s.43
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    • pp.347-358
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    • 1993
  • The purpose of this study is to analyze the relationship between the blood pressure level and their sexual maturity and physical growth in the children at puberty. For this purpose, we estimated the blood pressure, physical growth and sexual maturity of the boys of 335 and girls of 373 who are in the middle schools which are located in Kangwha County, Kyungki-Do. Both systolic and diastolic pressure were measured twice. Such physical growth as height, body weight, skin fold thickness, waist circumference, hip circumference and arm circumference were measured. The sexual maturity was estimated according to the classification of Tanner's 5-phase-sexual-maturity : in boys, their pubic hair development phase : in girls, their pubic hair and breast development phase and the menstrual experience. In the phase of the pubic hair development, the boy's sexual maturity was distributed into this; the 1 st 56.4%, the 2nd 29.3%, the 3rd 9.9%, the 4th 4.1% and the 5th 0.3%. While the girls sexual maturity was distributed into this the 1st 20.5%, the 2nd 34.9%, the 3rd 30.6% the 4th 12.6% and the 5th 1.3% in the phase of the pubic hair development, and the 1st 0.8%, the 2nd 13.7%, the 3rd 36.2%, the 4th 18.8% and the 5th 30.5% in the phase of the breast development. This indicated that the girls sexual maturity was higher than those of the boys. The girls menstrual experience rate accounted to the 58.2%. In order to see the relationship between the children's sexual maturity and blood pressure level, we regress blood pressure level on physical growth (i.e., height, BMI) and sexual maturity. Sexual maturity in treates as dummy variables. As the resulf of this analysis, the boys' sexual maturity has nothing to do with the blood pressure either systolic or diastolic. But the girl's systolic pressure was statistically significant ; the 9% of the physical growth, the 5% of the pubic hair development and the 4% of the breast development in sexual maturity was explained. In the girls' diastolic pressure, only their pubic hair development was statistically significant ; the 7% of the physical growth and the 7% of the pubic hair development in the diastolic was explained and the 5% of the physical growth in the diastolic Korotokoff phase IV and the 2% of the pubic hair development in the diastic Korotokoff phase was explained, especially, the girls exprienced menstruation, their systolic and diastolic pressure were significantly high (P<0.01). Conclusively, in the first grade children attending middle schools who are in the early process of the sexual development, the sexual maturity was not related to blood pressure level, on the other hand, the blood pressure level of the girls who are more sexual development than those of the boys' have something to do with sexual maturity and physical growth.

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Study on Economic Value and Variance on Water Supply in Industrial Complexes (산업단지 내 공업용수 공급의 경제적 가치 및 한계생산가치 변동성에 관한 연구)

  • Kim, Gilho;Kim, Deokhwan;Kim, Kyungtak;Kim, Hung Soo
    • Journal of Wetlands Research
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    • v.20 no.2
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    • pp.190-200
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    • 2018
  • This study estimated the marginal production value based on the production function approach to confirm the economic value of industrial water supply projects. For this, we analyzed 4 data sets classified by 11 industry types according to Cobb-Douglas Function, Translog Function, and Translog function with sector dummy variables. As a result, the average industrial marginal product value of the entire industry was 3,217~5,357 won/ton, 2,994~4,569 won/ton and 3,620~5,342 won/ton, respectively. The results by industry type were the largest in furniture and other manufacturing industries and showed the lowest marginal production value in the textile and leather industries. Overall, the results from the Cobb-Douglas function were highly evaluated. And the volatility according to data sets was also analyzed in the Cobb-Douglas function. There have been few studies on the economic value of industrial water compared to domestic water. It is considered that multidisciplinary consensus will be needed through active research in the future.

The Study on the Impact of ODA on the Export of Korea: A Panel Data Analysis (공적개발원조가 한국의 수출에 미친 영향 연구: 패널 자료 분석)

  • Kang, Myeong-Joo
    • International Commerce and Information Review
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    • v.17 no.1
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    • pp.217-240
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    • 2015
  • This paper uses the modified gravity model of international trade to examine the impact of ODA on the export of Korea to 28 aid recipients. In this perspective, the study includes recipient's economic size, trade openness, population, donor's scale of aid and distance between them as key determinants of the export of Korea by using panel data over the period of 2005-2012. To do this task, important econometric methods are fulfilled to test the model adequately, such as panel unit root and panel co-integration test. In addition, the study incorporated the panel OLS, panel GLM and panel EGLS methods. The empirical analysis clearly showed that an increase in Korea's ODA promotes its own exports. The coefficients of recipients's per capita GDP, population and trade openness have a positive impact on Korea's export respectively, while distance between them has a negative impact. Regarding regional dummy variables, aid for the region of Africa and America have a negative impact on Korea's export. Overall, the main implication of this study is that even if it emphasized Korea's economic interests as determinants of ODA disbursements, but it also suggests that an improvement of recipient's economic development, income distribution and educational environment can be an important concern in the future.

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