• Title/Summary/Keyword: Economic validity

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An Inventory Model for Deteriorating Products with Ordering Cost inclusive of a Freight Cost under Trade Credit (신용거래 하에 운송비용이 포함된 주문 비용을 고려한 퇴화성 제품의 재고 모형)

  • Shinn, Seong-Whan
    • The Journal of the Convergence on Culture Technology
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    • v.5 no.1
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    • pp.353-360
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    • 2019
  • Trade credit is being used as a price discrimination strategy by the suppliers in order to increase the customer's demand. From the viewpoint of the customer, if delayed payment is allowed for a certain period of time from the supplier, the effect of reducing the inventory carrying cost will positively affect the customer's order quantity. Also, in deriving the economic order quantity(EOQ) formula, it is tacitly assumed that the customer's ordering cost is a fixed cost. However in many business transactions, the customer pays the freight cost for the transportation of his order and so, the customer's ordering cost contains not only a fixed cost but also a freight cost which is a function of the order size. Therefore, in this study, we analyzed the inventory model which considers that the customer's ordering cost contains not only a fixed cost but also a freight cost which is a function of the customer's order size when the supplier permits a delay in payments. For the analysis, it is also assumed that inventory is exhausted not only by customer's demand but also by deterioration. Investigation of the properties of an optimal solution allows us to develop an algorithm whose validity is illustrated using an example problem.

The Study on the Determinant - Factors of the Budget for the Aged Welfare - Focused with the Local Governments of Cities & Counties in Jeollabukdo - (노인복지예산의 결정요인에 관한 연구 - 전라북도 시·군 자치단체를 중심으로 -)

  • Kim, Sung Soo
    • 한국노년학
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    • v.28 no.4
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    • pp.907-923
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    • 2008
  • The main purpose of this paper is to analyse the determinant factors affecting the budget for welfare of the aged. This study employs the statistical data of fourteen different cities and counties of local government in Jeollabukdo. According to the analysis, in the county, the rate of the aged and populations of social-economic factors and the number of public officials of political-administrative factors turned out to be important influencing of budget for the aged welfare. However, incrementalism has no validity of statistics. Also, In the fiscal factors, estimated expenditures in per capita influenced a negative effect on the budget of the aged welfare. As the results of this research, the policy implications are suggested as follows. First, in order to reduce the gap of the aged welfare service between regions, the greater subsidy is provided by government and the budget of the aged welfare is enlarged positively. Second, as the considering regional characteristic, the higher ratio of the aged, the greater budget of the aged welfare is enlarged, especially in the county. Third, the budget of the aged welfare has to be regarded by the number of public officials.

Concept Structures, Functional Equivalence and the East Asian Welfare State Discussion: An Application of Set Theory in Comparative Social Policy (개념구조, 기능적 등가물 그리고 동아시아복지국가론: 비교사회정책연구에서 집합이론의 활용)

  • Lee, Sophia Seung-yoon
    • 한국사회정책
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    • v.19 no.3
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    • pp.185-214
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    • 2012
  • After the introduction of the three welfare regimes by Esping-Andersen, discussion on 'other' types of welfare regimes was facilitated and the scholarly focus on East Asian economic development gradually shifted to the East Asian welfare states discussion from the late 1990s. Literature on East Asian welfare states increased our understanding on the characteristics of not only the East Asian welfare state as a whole but also of each country in the region. However, compared the attention given to developing variables and empirical studies on the East Asian welfare state, less attention has been given to the concept of East Asian welfare states. Recognizing the limitation in developing comparable variables without a concept analysis of the East Asian welfare states, this study highlights the importance of conceptualization and concept analysis in comparative social policy studies. This paper first discusses on the concepts, conceptualization and on the use of set theory in comparative social policy research. Next, the study argues the validity of 'functional equivalence' in the East Asian welfare state studies and critically reviews the existing literature. Lastly, this paper suggests how the concept of functional equivalence can be successfully employed for the East Asian welfare states studies with a concept analysis and by applying a set theory including the fuzzy set theory.

Security and Trust on Non-Contact Financial Transaction (금융보안과 신뢰가 비대면 금융거래에 미치는 영향)

  • John, Yong-Jean
    • Journal of Digital Convergence
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    • v.19 no.7
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    • pp.147-154
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    • 2021
  • The pandemic age came to us after the COVID19 broke out in the early of 2020, which resulted in many changes in our everyday life. One of the changes is non-contact transactions in economic activities, especially contact-free financial transactions are ever-increasing activities in the pandemic age. In non-contact financial transactions, security and trust are important issues that users are concerned about the most. So the paper examines how security and trust have effects on the attitudes of bank customers who use mobile banking applications on their smartphones. The study conducted factor ananlysis to extract research constructs using survey data gathered during Nobember of 2020 through February of 2021 across the nation. After extracting the constructs, the study checked validity, sampling adequacy, and internal reliability with KMO, Bartlett's test, and Crombach Alpha respectively. To make sure the purpose of the study, I do regression analysis. All factors of attitude had impacts on willingness on both of transactions and purchasing financial products. The results could give guidelines banks which want to attract more customers in open-banking environment through ever-more secure and trusty mobile banking application.

A Study on the Development of Human Resource Factors in the Service Economy Era (서비스경제시대 인재상요소 개발에 관한 연구)

  • Baek, Kyeonghui;Kim, Hyunsoo
    • The Journal of the Korea Contents Association
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    • v.21 no.2
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    • pp.572-586
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    • 2021
  • With the advent of the 4th Industrial Revolution, the modern economy is transforming into a service-oriented economic society, and there is a growing need for companies to reorganize organizational culture, values, and human resources to suit the changing environment. Especially, even when times change, human capital is the most important factor in maintaining sustainable development and Corporate value, since all work is done by people. Therefore, in this study, in order to recognize the importance of human resources and verify the appropriate human resources for the changing service economy era, we reviewed the literature and that drew the human resources suitable for the recent service economy era Based on this, an empirical study was conducted on whether the suggested human resources factors were useful. To this end, a feasibility analysis, reliability analysis, correlation analysis, confirmatory factor analysis, and reference validity were conducted by dividing into a preliminary survey and a main survey. As a result, it was finally drawn with 30 items, 7 factors. The results of this study are expected to be used as basic data in various fields of research on human resources in the service economy era, and in-depth empirical studies are needed in the future.

The effect of external influence and operational management level on urban water system from water-energy nexus perspective (물-에너지 넥서스 관점에서 외부영향과 운영관리 수준이 도시물순환시스템에 미치는 영향)

  • Choi, Seo Hyung;Shin, Bongwoo;Song, Youngseok;Kim, Dongkyun;Shin, Eunher
    • Journal of Korea Water Resources Association
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    • v.56 no.9
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    • pp.587-602
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    • 2023
  • Due to climate change, population growth, and economic development, the demand for water in the urban water system (UWS) and the energy required for water use constantly increase. Therefore, beyond the traditional method of considering only the water sector, the Nexus approach, which considers synergies and trade-offs between the water and energy sectors, has begun to draw attention. In previous researches, the Nexus methodology was used to demonstrate that the UWS is an energy-intensive system, analyze the water-energy efficiency relationship surrogated by energy intensity, and identify climate (long-term climate change, drought, type), geographic characteristics (topography, flat ratio, location), system characteristics (total supply water amount, population density, pipeline length), and operational management level (water network pressure, leakage rate, water saving) effects on the UWS. Through this, it was possible to suggest the direction of policies and institutions to UWS managers. However, there was a limit to establishing and implementing specific action plans. This study built the energy intensity matrix of the UWS, quantified the impact of city conditions, external influences, and operational management levels on the UWS using the water-energy Nexus model, and introduced water-energy efficiency criteria. With this, UWS managers will be able to derive strategies and action plans for efficient operation management of the UWS and evaluate suitability and validity after implementation.

Validation of the Korean Version of Free Will and Determinism Scale (FAD-Plus) using Confirmatory Factor Analysis - The Relationship Between Belief in Free Will and Correspondence Bias - (확인적 요인분석을 통한 한국판 자유의지와 결정론 척도(FAD-Plus)의 타당화 - 자유의지에 대한 믿음과 귀인편향의 관계 -)

  • Ahn, Jaekyung;Han, Sanghoon;Choi, Yimoon
    • Korean Journal of Forensic Psychology
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    • v.12 no.1
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    • pp.35-51
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    • 2021
  • People's belief in free will is important in determining the causes and responsibilities of human behavior. Over the past decades, there has been debate about belief in free will in the fields of neuroscience, philosophy, ethics, and criminal law. The Free Will and Determinism Scale (FAD-Plus; Paulhus & Carey, 2011) is a test tool that measures the components related to the belief in an individual's free will. This study conducted a confirmatory factor analysis of 1,000 ordinary people of various age groups and socio-economic backgrounds based on previous studies that conducted an exploratory factor analysis (Study 1). The author has secured the reliability and validity of a number of measures. Furthermore, it was examined how the sub-item of the FAD-Plus scale, 'belief in free will,' was related to correspondence bias and locus of control (Study 2). As a result of analyzing a total of 83 subjects, high belief in free will had a positive correlation with punishment judgment for negative behavior and internal attribution, but there was no significant relationship in reward judgment for positive behavior. Based on the study results, it was proven that the FAD-Plus is valid for the general public as well, and the relationship between belief in free will, attribution bias, locus of control and behavior judgment was examined. The limitations of this study, policy implications, and research directions are discussed.

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A Case Study on Pursuit of International Development Cooperation Project: Focusing on Insurance education in a Lao University (국제개발협력 추진 사례연구: 라오스 보험교육을 중심으로)

  • Jung, Hong-Joo;Lee, Sang-Rim;Son, Jeong-Hyun;Choi, A-Reum;Lim, So-Young;Wang, Hsuan-Hui
    • Korea Trade Review
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    • v.43 no.1
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    • pp.1-23
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    • 2018
  • International Development Cooperation (IDC hereafter), which closely relates to international trade and foreign direct investment, is gaining global importance regarding diplomatic relations and economic cooperation. As Korea contributes increasing resources to the international community, Korea should play a larger role in the IDC along with increasing academic cooperation, impling more necessity to grow research on the IDC as a crucial element of international trade. The IDC has focused on the provision of basic human needs, such as food, shelter, and clothing. However, higher education has not yet be explored for its effectiveness or validity as to service area including foreign trade or insurance. In this regard, this research aims to review existing IDC literature, to propose a project for insurance education, and to provide alternative ways for future development of the IDC. This paper is structured as follows. First, the literature review begins with the IDC's history and development, review of traditional methods of providing basic human needs (food or sheltering) and public health, importance of job creation and business activities to alleviate poverty, and the introduction of insurance education as a vehicle to reduce poverty. Results of the case study provide implications for service area projects including foreign trade education.

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Service Design Proposals for Improving the Usage of a Standard Plastic Garbage Bag of Seoul City (서울시 종량제 쓰레기봉투의 사용법 개선을 위한 서비스디자인 제안)

  • Kim, Ye Ji;Kim, Hwa Sil;Paik, Jin Kyung
    • Design Convergence Study
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    • v.14 no.4
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    • pp.119-132
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    • 2015
  • The enforcement of volume-rate disposal system which has been resulted in reducing the household waste and increasing the amount of recycled contents is showing positive effects that are generating social and economic benefits, However due to the lack of user's perception about how to separate and dispose of recycling wastes, some problems are constantly raised, like food waste is disposed in the standard volume-rate garbage bag. By rearranging visual information printed on standard plastic garbage bags (SPGB), this study attempted to find ways to deliver the information regarding how to use them properly. In order to achieve this, from the perspective of visual information design, the study examined the cases of visual information printed on nine SPGB from domestic and overseas. Among these, this study conducted a survey on user's awareness of visual information printed on SPGB in three districts of Seoul, Korea. As a result, user-preferred items were identified. Based on the result, this study selected information to be printed on SPGB, established the hierarchical order of the selected information, and proposed a guideline for using SPGB with informative graphics; therefore, the effectiveness of information delivery was improved. In addition, this study also examined the external validity of the guideline by comparing a survey on user's awareness.

A Research on the Development of Service Nature Measurement Items in the Sevice Economic Era (서비스 경제로의 전환에 따른 서비스본질 측정항목 개발 연구)

  • An Sehong;Kim Hyunsoo
    • Journal of Service Research and Studies
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    • v.11 no.1
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    • pp.59-79
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    • 2021
  • Service-related research in accordance with the transition to the service economy era has been conducted in a wide variety of ways, but the development of a service-related scale suitable for the present time is still insignificant. The purpose of this study is to define the nature of services and to develop measurement items for them. First, four categories of service nature were adopted in the previous study. The four categories are 'relationship', 'interactivity', 'horizontality', and 'harmony'. In this study, sub-factors and specific items of each of these four service essences were extracted and developed as measurable items. As a qualitative study, the four categories of sub-factors were extracted, and a mixed study was adopted to prove the reliability and validity of the extracted factors through quantitative studies. The scale items were identified through literature study, free response method, and Delphi technique, and the measurement items were refined through a second questionnaire of 30 Delphi panels composed of experts. As a result of the study, 15 out of 52 questions for relationship, 11 out of 45 questions for bilateral direction, 9 out of 33 questions for horizontality, and 17 out of 61 questions for harmonization were derived after secondary refining. Through this study, it was possible to uncover new essential items suitable for the service economy era. SNS, network, synergy, platform, system, real name, and breakthrough are concepts that have not been obtained in previous studies, and can be seen as contributions of this study. However, due to various limitations, this study did not cover all aspects of the service, but mainly dealt with people-centered services, which are part of the service. In the future, it is necessary to study the development of service essence measurement items for the overall aspect of services developed according to the evolution of the service economy era.