• Title/Summary/Keyword: 가설 유형

Search Result 402, Processing Time 0.02 seconds

A Research on the Application of Eco-Friendly Approval Criteria in Forest Land-use (자연친화적 산지이용허가기준 적용 방안 연구)

  • Park, Shin-Won;Choi, Sang-Hee;Cho, Young-Tae
    • Land and Housing Review
    • /
    • v.3 no.1
    • /
    • pp.33-43
    • /
    • 2012
  • The research which it sees is the simulation research for "The Ecological Diversion of Forest Land-Use System". It accomplished the simulation which applies a permission standard, it developed escape it did a model and the basic draft. From the research which it sees in order to investigate the application characteristic of natural intimate mountain district application standard the mountain district whole aspect instance middle actual object a time mountain district use standard about under selecting which it will yell it applied. "Natural intimate mountain district development standard triangular position plan research" from compatibility of the mode of life mountain district whole aspect permission standard which is proposed about under investigating it presented the improvement program and a institutional improvement direction of corresponding standard. About under preserving plan it applies the yearly environment the mountain district to sleep it prepares the foundation for it accomplished the transcendental research for. With the achievement resources which the mountain district has resultantly must preserve a value, limit of the development size it will be able to minimize the effect which it follows in development, the arrangement method back could be proposed, also the case which will use the mountain district where it is damaged induces the development which cabinets to the concept of demobilization, the case which will apply the existing forest resources takes a triangular position with the act it will be able to increase the circulating value of the resources and will do.

The Impact of Retailer‘s In-store Tactics on Store Performance in case of Variety Enhancer and Fill-ins Categories (다양성 추구용과 구색용 카테고리에 대한 소매입체의 점포 내 전술 실행이 점포성과에 미치는 영향)

  • Chun, Dal-Young;Kwon, Ju-Hyoung
    • Journal of Distribution Research
    • /
    • v.10 no.4
    • /
    • pp.1-22
    • /
    • 2005
  • The major objectives of this study are twofold. The first is to discover which in-store tactics influence store performance when a retailer implements category management in variety enhancer and fill-ins categories. The second is to analyze how and why specific in-store tactics achieve better or worse performance than other in-store tactics across categories. The data were collected using scanner data and direct observations in 'A' discount store which is one of the representative discount stores in Korea. The in-store tactics were measured by product assortment, temporary price discount, price and non-price promotion, and shelving. The store performance was measured by sales and gross margin return on inventory investmant(GMROI). Empirical results analyzed by multiple regression were as follows: In variety enhancer category, the significant factors affecting sales were product assortment, temporary price discount, price promotion, and shelving. Non-price promotion also influenced GMROI positively but product assortment impacted on GMROI negatively. In fill-ins category, the significant factors affecting sales and GMROI were product assortment and shelving. However, the other factors such as temporary price discount, price promotion, and non-price promotion had no significant influence on both sales and GMROI. This paper presents a number of theoretical and managerial implications of the empirical results and concludes by addressing limitations and future research directions.

  • PDF

Ginseng Saponins Enhance Maxi $Ca^{2+}-activated\;K^+$ Currents of the Rabbit Coronary Artery Smooth Muscle Cells

  • Chunl Induk;Kim Nak-Doo
    • Journal of Ginseng Research
    • /
    • v.23 no.4
    • /
    • pp.230-234
    • /
    • 1999
  • Potassium channels play an important role in regulating vascular smooth muscle tone. Four types of $K^+$ channels areknown to be expressed in vascular smooth muscle cells, and maxi $Ca^{2+}-activated\;K^+$ channel $(BK_{Ca})$ is a dominant type of $K^+$ channels in these cells. Because total ginseng saponins and ginsenoside $Rg_3$ cause vasodilation with unclear mechanisms, we hypothesized that total ginseng saponins and ginsenoside $Rg_3$ induce vasodilation via activation of maxi $Ca^{2+}-activated\;K+$ channels. Whole-cell BKe. currents were voltage-dependent with half maximum activation at -14 mV, and the currents were sensitive to nanomolar ChTX and millimolar TEA. External application of total ginseng saponins increased the anlplitude of the whole-cell BKe. current in a concentration-dependent manner. Single-channel analysis indicates that total ginseng saponins caused the channel opening for a longer period of time. Ginsenoside $Rg_3$ increased the amplitude of whole-cell $K_{Ca}$ currents without affecting voltage dependence of the currents and increased single-channel open time. Hence, the results suggest that ginseng saponin-induced vasodilation may be due to activation of $K_{Ca}$.

  • PDF

The Role of Independent and Interdependent Self-Construals in Marital Satisfaction among Men and Women (기혼남녀의 자기관과 결혼만족의 관계 - 독립 및 상호의존적 자기관을 중심으로-)

  • Hyun, Kyoung-Ja
    • Korean Journal of Social Welfare
    • /
    • v.56 no.4
    • /
    • pp.239-268
    • /
    • 2004
  • This study examined the role of self-construals in marital satisfaction among men and women, and explored how independent and interdependent self-construals contribute to or undermine marital satisfaction. Data were drawn from a self-administered questionnaire study in which 489 married people(aged 25-75) residing in Seoul participated. Path analyses were conducted using Structural Equation Modeling Program, and a goodness of fit of the proposed path model was evaluated. As expected, the positive impact of independent self-construal on marital satisfaction was mediated by self-esteem and clarity of communication, and that of interdependent self-construal on marital satisfaction was mediated by psychological stability and a sense of relational well-being. The direct effects of these two types of self-construal on marital satisfaction were opposite. As predicted, independent self-construal decreased marital satisfaction, whereas interdependent self-construal increased it. All of the direct and indirect effects of independent and interdependent self-construals on marital satisfaction were statistically significant, except the indirect effect of interdependent self-construal as mediated by psychological stability. The goodness of fit indexes of the path model indicated that the model was acceptable. However, the results of separate path analyses for men and women showed that some of the effects of self-construals on marital satisfaction differed by gender. Based on these results, implications for clinical social work practice were discussed.

  • PDF

A Study on Relationship Between Violation of Environmental Regulations and Firm's Characteristics (기업특성과 환경규제 위반의 관계 연구)

  • Kim, In-Su
    • Management & Information Systems Review
    • /
    • v.31 no.4
    • /
    • pp.33-56
    • /
    • 2012
  • The purposes of this paper are analysed the relationship between environmental regulation and financial performance in Korea. The financial performance of listed companies and Outside Auditing firms was evaluated by logistic regression. First, R&D investment is proportionally correlated with the ability to comply with environmental regulations. It can be explained increase of investment in R&D causes enhancement of compliance of environmental regulations with development of environmental technology. Second, statistical significance is not observed between financial aspects such as current ratio, debt-to-equity ratio, cash flow, and operating profit margin and the ability to comply with environmental regulations. It indicates high financial performance could not directly lead investment for the ability of that. Third, in terms of structural aspects, firm size and employees have a reliable correlation with compliance with environmental regulations due to high attention of larger firms for PR, and IR, while capital intensity and gravity, and exports do not. Finally, violation of environmental regulations is not affect by the controlling shareholder ownership.

  • PDF

A Study on Characteristics of Green Companies and Environment Rule Violation Companies (ISO14001인증 녹색기업과 환경위반 기업의 특성 연구)

  • Kim, In-Su;Chung, Bhum-Suk
    • Management & Information Systems Review
    • /
    • v.32 no.5
    • /
    • pp.157-174
    • /
    • 2013
  • In this research I investigate different firm characteristics between environment-friendly companies which are awarded by the Government and companies which violate environmental regulations. I set up three hypotheses in terms of managers' environmental attitude and firms' characteristic in technical, financial and structural aspects, considering environmental experts' opinions and findings of previous papers. Main research findings are as follows. First, both acquisition of the ISO 14001 certificate and ownership structure are used as proxy of top management attitude towards environmental decision-making. It is hypothesized that it is found that the certificates of ISO 14001 is a good proxy to represent top management environmental attitude and a firm with the certificate would have less likelihood of violation. Second, it is hypothesized that technical ability affects violation tendency of environmental regulations. It is found that as R&D investment increases, violation likelihood of environmetal regulations decrease. It can be conjectured that R&D investment may improve technical abilities of observing environment regulations. Third, it is investigated whether a firm's financial capability affects violation tendency of environmental regulations. Fourth structural aspects of a firm such as capital intensity, the number of employees and export ratio are investigated. It is found that a firm with more employees per sale amount tends to violate environmental regulations. It is not found any effects of expert ratio nor capital intensity on violation tendency of environmental regulation.

  • PDF

A Study on the Effects of the Information Asset Protection Performance on the Organization Performance: Management Activity and Control Activity (정보자산보호 성과가 조직성과에 미치는 영향에 관한 연구: 관리활동과 통제활동을 중심으로)

  • Kim, Kyung-Kyu;Shin, Ho-Kyoung;Park, Sung-Sik;Kim, Beom-Soo
    • Journal of Information Management
    • /
    • v.40 no.3
    • /
    • pp.61-77
    • /
    • 2009
  • Recently, enterprises are protecting information assets with the various means of control and management. Nevertheless, they are confronted with the dilemma which the higher securitylevel they request, the lesser efficiency and productivity in short terms they acquire by the inconvenience of business process. In addition, in spite of the steady increase of organization's investment on information protection, the systematic way for the performance measurement of information protection has not been suggested, so that in reality, it is difficult to make the decision to invest on information-protection and elicit the direction to improve it. For this reason, this study intended to establish the concept of the protection and security of information assets of enterprises and to categorize the type of activities to protect information assets into management activity and control activity, and analyze the effects of management activity and control activity for information asset protection on the performance of information asset protection activity and organization. For this research, questionnaire survey was conducted with literature study and the PLS(Partial Least Square) was used to analyze the measurement model and hypotheses testing. The PLS analysis results indicate that management activity for information asset protection affects information asset protection performance. Further, organizational performance is influenced by information asset protection performance. Practical implications of these findings and future research implications are also discussed.

Development of Travel Time Functions Considering Intersection Delay (교차로 지체를 고려한 통행시간함수 개발)

  • Oh, Sang-Jin;Park, Sang-Hyuk;Park, Byung-Ho
    • Journal of Korean Society of Transportation
    • /
    • v.26 no.4
    • /
    • pp.63-76
    • /
    • 2008
  • The goals of this study are to develop travel time functions based on intersection delay and to analyze the applicability of the functions to traffic assignment models. The study begins with the premise that the existing assignment models can not effectively account for intersection delay time. In pursuing the goals, this study gives particular attention to dividing the link travel time into link moving time and stopped time at node, making the models based on such variables as the travel speed, volume, geometry, and signal data of signalized intersections in Cheongju, and analyzing the applicability of these models to traffic assignment. There are several major findings. First, the study presents the revised percentage of lanes (considering type of intersection) instead of g/C for calculating intersection delay, which is analyzed to be significant in the paired t-test. Second, the assigned results of applying these models to the Cheongju network in EMME/2 are compared with the data observed from a test car survey in Cheongju. The analyses show that the BPR models do not consider the intersection delay, but the modified uniform delay model and modified Webster model are comparatively well fitted to the observed data. Finally, the assigned results of applying these models are statistically compared with the test car survey data in assigned volume, travel time, and average speed. The results show that the estimates from the divided travel time model are better fitted to observed data than those from the BPR model.

Examining the Influence of Fit between Project Radicalness and Organizational Innovativeness on the Supply Chain Integration (프로젝트 급진성과 조직 혁신성 간의 조화가 공급망 통합에 미치는 영향)

  • Min, Dae Hong;Jeong, Seung Ryul
    • Journal of Internet Computing and Services
    • /
    • v.15 no.2
    • /
    • pp.95-107
    • /
    • 2014
  • This study was conducted to empirically examine the impact of fit between project radicalness and innovativeness of the supply chain on the degree of supply chain integration. In order to test the research hypotheses, a survey was employed. The results show that the degree of supply chain integration varies on the fit between project radicalness and innovativeness of the supply chain. Specifically, when a supply chain consists of two morphogenetic organizations and the supply chain integration project is radical, we see very highly integrated supply chain. We also find high-level integration of supply chain when project is radical even though both a morphogenetic and a homeostatic organization compose a supply chain. However, we find opposite result, which is low integration, if a project is incremental rather than radical and a supply chain is composed of same types of the organizations mentioned above. Interestingly, degree of integration seems to be always low when a supply chain is composed of two homeostatic organizations, regardless of project radicalness. With these findings, this study concludes that a project whose radicalness is match with the supply chain's innovativeness should be chosen for successful supply chain integration.

Multichannel Shopping and Customer Satisfaction: The Role of Shopping Experience and Customer-Firm Relationship Characteristics (다채널 쇼핑과 고객만족: 쇼핑경험과 고객-기업 관계특성의 역할)

  • Joo, Young-Hyuck
    • Journal of Distribution Research
    • /
    • v.15 no.4
    • /
    • pp.21-60
    • /
    • 2010
  • In recent retail environments, multichannel customer management increasingly has been considered a key element of successful CRM. Although customer's multichannel usage is believed to be potential cause of customer loyalty, the theoretical explanation about this causal relationship still remains unexamined and unanswered. In this paper, the authors present a systematic framework to test the postulated "multichannel usage-shopping experience-customer satisfaction" chain. To this end, we examine that the two core components of shopping experience(convenience and enjoyment) is a mediator of the direct causality of multichannel usage(based on both information search and product purchase stage) on customer satisfaction. Moreover, the authors examine that two types of customer-firm relationship characteristics(relationship age and purchase frequency) is a moderator of the multichannel usage-shopping experience relationship. Using integrating data with survey and customer database of multichannel retail company, the authors empirically test and substantiate shopping experience's mediating role in the multichannel usage-customer satisfaction relationship and customer-firm relationship characteristics' moderating role in the multichannel usage-customer experience relationship. These results suggest that multichannel retailers should deliver favorable shopping experience for building customer satisfaction and differentiate shopping experience according to customer-firm relationship characteristics.

  • PDF