• 제목/요약/키워드: empirical test

검색결과 2,742건 처리시간 0.026초

스타 인재의 비율과 증권사 재무성과의 관계에 대한 연구 - 국내 증권사의 애널리스트를 중심으로 - (The Relationship between Star Employee Ratio and Firm Performance: An Analysis of Korean Sell-Side Analysts)

  • 옥지호;안혜성
    • 경영과정보연구
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    • 제34권3호
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    • pp.101-123
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    • 2015
  • 외부 환경의 불확실성이 점점 더 높아지는 가운데 조직의 경쟁우위를 달성하기 위한 방안으로 우수한 인적자원의 확보 및 보유가 점차 중요시되고 있다. 특히, 동료 직원들에 비해 몇 배나 높은 탁월한 성과를 창출할 수 있는 '스타 인재'는 지식과 정보가 중시되는 지식기반산업에서 점차 그 중요성이 강조되고 있어 이에 관련된 학계와 산업계의 관심이 증대되고 있다. 하지만 이처럼 스타 인재에 대한 관심이 증가하고 있음에도 불구하고 스타 인재의 보유가 조직성과에 미치는 영향을 실증적으로 분석한 선행연구는 부족한 편이다. 특히 스타 인재의 보유가 조직 내외부에 미치는 긍정적 부정적 영향력을 고려할 때, 조직 내 스타 인재의 비율(ratio of star employee)과 조직성과의 관계는 단순 선형 관계(simple linear relationship)의 가능성 뿐 아니라 비선형의 곡선형 관계(curvilinear relationship)가 존재할 가능성도 가지고 있다. 이에 본 연구에서는 스타 인재에 관한 선행 연구를 토대로, 스타 인재의 비율이 증가함에 따라 한계효과가 증가하는 체증관계(U자형 곡선)와 한계효과가 감소하는 체감관계(역U자형 곡선)의 두 가지 대립가설을 설정한 후 국내 34개 상장증권사의 2008~2013년 134개 관측수를 대상으로 실증분석을 진행하였다. 국내 경제전문지가 선정한 '베스트 애널리스트'(스타 인재)의 비율이 증권사의 재무성과에 미치는 영향을 불균형 패널모형으로 검증한 결과, 스타 인재의 비율이 증가할수록 조직성과는 증가하지만, 그 한계효과는 점차 감소하는 체감형 비선형 관계가 검증되었다. 이러한 연구결과는 지식기반 산업에서도 스타 인재를 활용하는 것이 중요함을 시사함과 동시에, 스타 인재에 대한 과도한 의존은 경계할 필요성이 있음을 시사한다.

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해외직접구매의 두 요소 : 자기효능감과 구매충동성 (Two Factors of Overseas Online Shopping : Self-Efficacy and Impulsivity)

  • 이한석
    • 유통과학연구
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    • 제16권8호
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    • pp.79-89
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    • 2018
  • Purpose - This research aims to investigate the factors that influence consumer's overseas online shopping behavior. Consumers adopt overseas online shopping as a new buying way and more and more consumers prefer overseas online shopping than traditional shopping ways. Consumers' behaviors in this shopping experience can be different from other shopping experiences. With the increase of overseas online shopping, we need to find antecedents and results of overseas online shopping. Especially there would be positive or negative factors which influence overseas online shopping motivation. To find the relationship, this study examines self-efficacy and impulsivity as major factors which influence overseas online shopping. We also suggest that several attitude factors increase self-efficacy and it is positively related to customer satisfaction. On the other hand, we assume that overseas online shopping factors influence impulsivity of buying and it will decrease customer satisfaction. Research design, data, and methodology - This empirical study data were collected from Korean people who experience overseas online shopping. The subjects for this study were confined to shoppers who used overseas online shopping within the past six months. A total of 267 responses were gathered. SPSS 23.0, PLS 2.0 software were used in the data analysis. Descriptive statistics were used to show sample characteristics. We examined reliability, validity test for constructs. All measurement items used seven-point scales(1= very strong disagree, 7 = very strongly agree) drawn from previously published papers. Partial Least Square method was applied to find the relationship between antecedent factors and dependent factors and hypotheses were estimated. Results - Results show that perceived superiority, perceived ease of use, perceived transaction safety, perceived behavioral control positively affect self-efficacy. Self-efficacy influences positively to consumer's post purchase satisfaction. Perceived monetary benefit and perceived uniqueness motivated impulse buying. This can make consumer's post purchase dissatisfaction. Conclusions - This paper attempted to confirm the existence of both the positive and negative faces of overseas online shopping. The result reveals that self-efficacy is a major factor which may increase satisfaction in the overseas online shopping. Usually, we can think monetary benefit and uniqueness of products motivate overseas online shopping. But it can also intrigue impulse buying and negatively affect customer relationship. Therefore companies should provide enough products information to their potential customers and they might apply adequate processes such as recommendation, comparing systems to build long term relationship with their customers.

방위산업의 시장구조 결정요인이 기술혁신과 시장지배에 미치는 영향 (The study of the relationship of the defense industry-specific factors effect the innovation of manufacturing technology and the market share.)

  • 정용현
    • 안보군사학연구
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    • 통권5호
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    • pp.241-280
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    • 2007
  • This study examines the relationship of the industry-specific factors that effect innovation of manufacturing technology and the market share within the defense industry. Since the establishment of the basic defense industry framework in 1973, there were numerous interactions of the industry-specific factors of the defense industry structure with the technological innovation and market organization of the defense industry. During last three decades, the domestic defense industry has achieved the considerable level but the framework of the basic system has not developed much in areas of the military science and the defense manufacturing technology. Industry-specific factors were formed in the process and appeared in a variety of behavioral characteristics as subsystems. Currently, there IS a growing trend where the management of defense industry is gradually deteriorating due to limitation of the domestic industry-specific factor (e.g. defense technologies, amount of demand, etc.). If there is a prominent imbalance of the industry-specific factors. it can trigger the potential problem of conflict, lack of cooperation and control, slowing the growth of the manufacturing technology thereby diminishing the market and deteriorating the defense supply/demand relationship. In a research conducted by Joe S. Bain, Bain analyzed the relationship of the traditional industrial organization where industry-specific factor(S) not only impacts the conductor(C). And, conductor(C) influences the shaping of the performance(P) of relationship of the traditional industrial organization. Consequently, the researcher has identified the demand monopoly, barriers to entry, and market competition with comparison of defense industry issues. These defense issues were three industry-specific factors identified, which are 1) The demand monopoly and The entry barriers to new market competition, 2) the industrial technical factor to a production technical competitiveness and a market sharing competitiveness, 3) the probability factor to revolution for military affairs(RMA) and a R&D production. According to baseline with these factors, the following research model is established from the special companies group(Group A), the systematization companies group(Group B), and the general companies group(Group 0. The hypothesis is that if there are more industry-specific factors, then there will be more relationships of defense industry relation statutes. This research is an empirical study on the relationship that the industry specific factors effects the innovation of manufacturing technology and the shaping of the market in the defense industry. Moreover, the existing models to evaluate the industry specific factors of the defense industry IS much to be desired with the controlled statistical analysis of the result. It is vital to study on current situation with suggesting alternative strategy to the efficient strategy. The descriptive analysis approach analysis is conducted with SPSSWIN to conduct reliability test, factor analysis, correlation analysis, cross-tabulation analysis, one-way ANOVA, and multiple regression analysis. However, there were some limitations of the survey such as the rigidity of concept about the technical factors and various market management factors. The wishes is that the decision-maker could be utilized these defence industrial factors to formulate efficient defence policy and strategy in the future.

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소프트웨어 저작권 침해사례와 분쟁해결에 관한 연구 (A Study on Infringement Cases of Software Copyright and the Dispute Settlement)

  • 장병윤
    • 한국중재학회지:중재연구
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    • 제13권2호
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    • pp.547-584
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    • 2004
  • Information technology(IT) is changing rapidly based on growth of internet and computer businesses. Therefore, computer programs and softwares are distributed to computer users promptly for their productivity increase and efficient work. So, in the distribution, the softwares will be copied or released through network or other methods which are not authorized by the program owners. In that case, copyright dispute is incurred and various issues are come out due to infringement of the software copyright. Thus, the purpose of this study is to research infringement cases of the software copyright and how to settle the dispute which is related with software programs. To achieve the purpose of this study, this research consisted of 5 chapters. At chapter 1 introduction, it mentioned necessity of this study, purpose and how to research this study, and at chapter 2 dispute factors indicated and summarized for technical resolution. At chapter 3, infringement cases of software copyright analyzed and studied upon intellectual property(IP) related laws. And methods of dispute settlement discussed and suggested to chapter 4 for copyright and intellectual property protection. Also, it emphasized importance of arbitration to resolve the issues timely and avoid time and economical consumption. Of course, arbitration law has to be matched with the trend of technology development for effective settlement. At chapter 5 conclusion, it summarized this research and suggested further research for empirical test of economic value of the software copyright upon the aspect of business, law, and engineering. In this study, the results are 1) IP related laws have to be enacted or revised to meet technical changes for the protection of software copyright on time. The enactment or the revision of law takes a long time, therefore, to deal the dispute effectively, 2) arbitration law has to be utilized efficiently in order to resolve issues and settle the dispute promptly. It is suggested the dispute settlement through arbitration to save time and economic matters for legislation, and to harmony with the technology trends. 3) Recognition of software copyright is to be improved by users and enterprises for development of software related industries and intellectual property protection. In conclusion, the protection of software copyright is important than any other things in the field of IT because of the development of industry and intellectual property related laws. The development is for areas of business, law and engineering, so research and practices are to be combined with the areas so that it could resolve the dispute settlement and IP protection effectively.

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일과 생활의 균형(WLB)이 조직몰입 및 조직시민행동에 미치는 영향: 심리적 안정감의 매개효과 (The Effect of Work-Life Balance on Organizational Commitment and Organizational Citizenship Behavior: The Mediating Role of Psychological Safety)

  • 최수형;이정미
    • 디지털융복합연구
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    • 제18권3호
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    • pp.83-92
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    • 2020
  • 국내 중소기업에 근무하는 종업원을 대상으로 한 본 연구는 다음과 같은 연구 목적을 구체적으로 탐구하고자 한다. 첫째, WLB가 조직몰입 및 조직시민행동에 미치는 영향을 규명하고자 한다. 둘째, WLB가 조직몰입 및 조직시민 행동에 영향을 미치는 데 있어서, 심리적 안정감의 매개효과를 검증하고자 한다. 이를 통해 심리적 안정감이 변수들과 어떤 관계를 형성하는지 밝히는 효과를 기대한다. 셋째, 조직몰입이 조직시민행동에 미치는 영향을 규명하고자 한다. 이상과 같은 연구 목적을 수행하기 위해 본 논문은 구체적인 연구 모형을 도출하고 이를 실증하였으며, 심리적 안정감의 매개효과에 대하여 더 포괄적이고 깊이 있는 이해를 도모하고자 하였다. 가설을 검증하기 위해 통계 프로그램 SPSS 25.0과 Macro Process를 사용하여 분석하였다. 실증 연구를 통한 본 연구의 연구결과는 다음과 같다. 첫째, WLB는 조직몰입 및 조직시민행동에 정(+)의 영향을 미치는 것으로 나타났다. 둘째, 심리적 안정감은 WLB와 조직몰입 간의 관계에서 매개역할을 하는 것으로 나타났다. 셋째, 심리적 안정감은 WLB와 조직시민행동 간의 관계에서 매개역할을 하는 것으로 나타났다. 넷째, 조직몰입은 조직시민행동에 정(+)의 영향을 미치는 것으로 나타났다. 본 연구를 통해 WLB와 심리적 안정감의 연구에 기여할 수 있기를 기대한다. 결론 부분에서 본 연구의 시사점에 대해 논의하였으며, 또한 본 연구의 한계점과 향후 연구 방향을 제시하였다.

다면 AHP 방법론을 활용한 역량 모델링과 국가기술자격제도 개선 방안 도출 (Competency Modeling Using AHP Methodology and Improvement of National Technical Qualification System)

  • 이재열;황승준
    • 산업경영시스템학회지
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    • 제40권4호
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    • pp.191-202
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    • 2017
  • The purpose of this study is to develop an engineer competency model using Analytical Hierarchy Process (AHP) to improve the national technical qualification system. Korea has managed technical human resources at the government level through the operation of a national technical qualification system that certifies engineers with national certificates or technical grades by laws. However, there have been increasing concerns that the government system is separated from global standards and does not reflect an engineer's comprehensive capabilities. For these reasons, the new architecture of the system has been continuously discussed and becomes a major policy issue of the Korean government. For the development of the engineer competency model, domestic and global models were separately structured using 554 valid questionnaires with a consistency ratio (CR) of 0.1 or less. The relative importance of engineer competency factors in a domestic model was career (0.383), qualification (0.253), academic degree (0.195), and job training (0.169) whereas the order in the global model was career (0.308), global ability (0.237), job training (0.175), domestic qualification (0.147), and academic degree (0.134). The results of AHP analysis indicated that the evaluation factors and methods recognized by engineers were different from a current government model focusing on domestic qualifications. There was also perceptual difference in the importance of engineer evaluation factors between groups depending on the type of organizations and markets. This means that it is necessary to reflect the characteristics of organizations and markets when evaluating engineer competency. Based on AHP analysis and literature reviews, this paper discussed how to develop a new engineer competency index (ECI) and presented two effective index models verified by simulation test using 59,721 engineers' information. Lastly, the paper discussed major findings of our empirical research and proposed policy alternatives for the improvement of a national engineer qualification system. The paper contributes to the management of technical human resources since it provides quantitative competency models that are objectively developed by reflecting market recognition and can be effectively used by the policy makers or firms.

건강증진과 삶의 질 구조모형 II-암환자 중심- (A Structural Model for Health Promotion and Quality of Life in People with Cancer)

  • 오복자
    • 대한간호학회지
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    • 제26권3호
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    • pp.632-652
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    • 1996
  • It has been noted that a genetic alteration of cells influenced by unhealthy lifestyle in addition to a series of other carcinogens increases the incidence of various neoplasmic diseases. Therefore the importance of a lifestyle that minimizes such an impact on health should be emphasized. Since stomach cancer, the most common neoplasmic disease in Korea, is related to personal lifestyle and as there is a possibility of its recurrence, patients with stomach cancer need to lead a healthy lifestyle. Also the quality of life which patients experience is negatively affected by the side effects of treatments and the possibility of recurrence. Therefore an effective nursing intervention to enhance quality of life and encourage healthy lifestyle is needed. The purpose of this study is to provide a basis for nursing intervention strategies to promote health and thus enhance quality of life. A hypothetical model for this purpose was constructed based on Pender's Health Promotion Model and Becker's Health Belief Model, with the inclusion of some influential factors such as hope for quality of life and health promoting behavior. The aims of study were to : 1) evaluate the effectiveness of patient's cognitive-perceptual factors on health promoting behaviors and quality of life ; 2) examine the causal relationships among perceived benefit, perceived barrier, perceived susceptibility and severity, internal locus of control, perceived health status, hope, health concept, self efficacy, self esteem health promoting behaviors & quality of life ; 3) build and test a global hypothetical model. The subjects for this study were 164 patients who were being treated for stomach cancer were approached in the outpatient clinic on a University Hospital. The data from the completed questionnaires were analyzed using Linear Structural Relationships (LISREL). The results of research are as follows : 1) Hypothetical model and the modified model showed a good fit to the empirical data, revealing considerable explanational power for health promoting behaviors(54.9%) and quality of life(87.6%) 2) Self efficacy and hope had significant effects on health promoting behaviors. Of these, hope was affected indirectly through self efficacy and self esteem. 3) Perceived health status, hope and self esteem had significant direct effect on the quality of life. Of these variables, perceived health status was the most essential factor affecting general satisfaction in life. 4) Self-efficacy, as a mediating variable, was positively affected by perceived benefit and hope. 5) Self-esteem, as a mediating variable, was positively affected by perceived health status and hope. 6) Hope was the main variable affecting self efficacy, self esteem, health promoting behaviors and quality of life. The derived model in this study could effectively be used as a reference model for further study and could suggests a direction for nursing practices

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수간재적모델에 따른 일본잎갈나무의 수간재적 추정 및 비교 (Estimation and Comparison of Stem Volume for Larix kaempferi in South Korea using the Stem Volume Model)

  • 고치웅;문가현;임종수;이선정;김동근;강진택
    • 한국산림과학회지
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    • 제108권4호
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    • pp.592-599
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    • 2019
  • 본 연구는 수간재적과 상관관계가 높은 흉고직경과 수고를 독립변수로 하여 우리나라 일본잎갈나무의 수간재적 추정식을 개발하고자 하였다. 전국의 분포하고 있는 일본잎갈나무를 총 2,840본의 표준목을 벌채하여 수간고별 직경과 수간석해 자료를 수집하여 생장특성을 조사하였다. 6개의 수간재적모델의 적합도 검정을 위하여 적합도지수, 편차, 평균절대편차, 변이계수를 이용하여 모델의 적합성을 판단하였다. 최종 선정된 모델은 흉고직경만을 이용한 Model 1(V=a+bDBH2), 흉고직경과 수고를 이용한 Model 4(V=a+bDBH2H)가 최적의 모델로 선정되었다. 비선형회귀분석을 통한 모델의 절편과 기울기계수인 a, b는 0.05수준에서 통계적으로 유의한 값을 보였다. 적합도지수는 94%~99%로 나타났고, 편차는 두 모델이 0에 근접하였으며, 평균절대편차는 0.01~0.05, 변이계수는 5.97~14.43으로 높은 적합도를 보였다. 본 연구에서 제시된 수간재적모델을 이용하여 현장에서 흉고직경 또는 흉고직경과 수고를 측정한 후 바로 재적을 추정할 수 있으며, 산림경영에 필요한 기초 정보를 제공해 줄 것이다.

상재하중과 체적변형을 고려한 불포화화강풍화토의 함수특성곡선 (The Influence of Overburden Pressure and Volume Change on the Soil-water Characteristic Curve of Unsaturated Weathered Granite Soil)

  • 이영휘;김태한;문석준
    • 한국지반환경공학회 논문집
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    • 제11권5호
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    • pp.53-60
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    • 2010
  • 불포화토의 역학적 성질을 규명하기 위한 가장 기본적인 요소인 함수특성곡선을 연구하기 위하여 대구 팔공산 지역의 화강풍화토를 대상으로 함수특성곡선시험을 수행하였다. 기존의 함수특성곡선 실험은 상재하중과 체적변형의 고려없이 실시하였지만, 본실험은 두요소를 고려하기 위하여 기존의 실험장비인 압력판 추출기를 개량하여 함수특성곡선 실험을 실시하였다. 시험과정에 있어 상재하중은 0, 25, 50, 75, 100kPa을 가하였으며, 체적변형은 각 단계마다 측정하였다. 본 실험의 시료를 통한 함수특성곡선 실험 결과는 상재하중의 증가에 따라 동일한 모관흡수력에서 낮은 체적함수비를 가졌으며, 공기함입치는 증가하였다. 또한 전이영역 구간의 기울기는 감소하는 결과를 나타내었으며 이력현상은 줄어드는 결과를 보였다. 포화도는 상재하중의 증가에 따라 동일한 흡수력에서 큰 값을 나타내었으며 건조과정보다는 습윤과정이 큰 값을 나타내었다. 체적변화를 고려한 함수특성곡선은 미고려한 함수특성곡선보다 미세하게 큰 값을 나타낸다. 본 실험의 실측치와 Fredlund와 Xing(1994)의 이론식은 잘 부합하는 결과를 나타내었으며, 상수값 a, n, m값은 상재하중에 따라 기존의 연구결과와 비슷한 양상을 보였다.

조리 및 식음료 종사원의 스트레스 대처전략이 직무만족도 및 고객지향성에 미치는 영향 연구 (The Effects of Culinary.Food & Beverage Employees' Stress Coping Style on Job Satisfaction and Customer Orientation)

  • 김영중;박영미;윤혜현
    • 한국조리학회지
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    • 제19권3호
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    • pp.156-172
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    • 2013
  • 본 연구에서는 특급호텔 조리 및 식음료 종사원의 스트레스 대처전략이 직무만족도 및 고객지향성에 미치는 영향력을 고찰하였다. 실증연구를 위해 확보된 250개의 표본을 바탕으로 연구모형의 신뢰성, 적합성 등을 검토하였고, 구조방정식 모형을 사용하여 총 2개의 가설을 검증하였으며, 모형의 적합도는 ${\chi}^2$=252.876, df=143, CMIN/DF=1.768, GFI=0.914, AGFI=0.873, NFI=0.936, CFI=0.971, RMSEA=0.056으로 조사되었다. 연구결과, 특급호텔 조리 및 식음료 종사원의 스트레스 대처전략의 하위 차원 중 문제중심 대처전략을 제외한 정서중심 대처전략(${\beta}$=-.181)과 회피전략(${\beta}$=-.129)이 직무만족도에 유의한 영향을 주는 것으로 조사되었으며, 직무만족도(${\beta}$=.599)는 고객지향성에 유의한 영향을 주는 것으로 나타났다. 이러한 결과를 통해 호텔 조리 및 식음료 종사원이 사용하는 대처전략은 직무만족도에 영향을 미치며 결과적으로 고객지향성에 영향을 미치는 것을 확인 할 수 있었다. 한편 스트레스 대처전략이 직무만족도 및 고객지향성에 미치는 영향에 있어서 부서와 고용형태에 따른 차이는 존재하는 것으로 조사되었다.

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