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동태적 접근을 통한 임가의 소득과 소득불평등 간의 관계 분석
김의경 ( Eui-gyeong Kim ),김대현 ( Dae-hyun Kim ),김동현 ( Dong-hyun Kim ) 한국산림과학회(구 한국임학회) 2020 한국산림과학회지 Vol.109 No.1
이 연구는 소득과 불평등 간의 관계에 대한 다양한 논의가 진행되고 있는 가운데 임가의 소득과 소득불평등 간의 관계를 알아보기 위해 동태적 접근법을 통해 그 관계를 알아보고자 하는데 있다. 이를 위해 단위근 검정과 공적분 검정을 실시한 후 불안정한 시계열 자료를 안정적인 시계열 자료로 변환시킨 후 VAR 모형을 추정하였고 이를 바탕으로 충격반응, 분산분해 분석을 실시하였다. 분석결과, 임가 소득의 영향이 지니계수에 의한 영향에 비해 상대적으로 큰 것으로 나타났으며 임가 소득의 충격이 자체 소득을 증가시키는 방향으로 작용할 뿐만 아니라 지니계수를 감소시키는 영향을 주는 것으로 나타났다. 또한 지니계수의 충격은 임가 소득을 감소시키는 방향으로 영향을 미치며 소득불평등을 더욱 심화시키는 것을 보여주고 있다. 따라서 임가 소득불평등을 완화시키기 위해서는 소득분배 정책보다는 소득성장 정책이 보다 효과적일 수 있을 것이라는 결론을 얻을 수 있었다. Although the relationship between income and income inequality has previously been discussed, the present study applies a dynamic approach to analyze the specific relationship between forest household income and income inequality. For this analysis, a unit root test and a cointegration test were conducted to characterize the nature of income time-series data. After converting unstable time-series data into stable time-series data, a VAR model was estimated. Based on this model, an impulse-response was generated and variance-decomposition analysis was performed. These analyses showed that the effect of forest household income was relatively larger than that of the Gini coefficient, and that the impact of forest household income not only caused income to increasebut also caused the Gini coefficient to decrease. In addition, the impact of the Gini coefficient had an impact on reducing forest household income and further increasing income inequality. We conclude that, with the aim of alleviating the inequality of forest household income, an income growth policy would be more effective than an income distribution policy.
김의경 ( Eui Gyeong Kim ),김동현 ( Dong Hyeon Kim ) 한국산림과학회 2013 한국산림과학회지 Vol.102 No.3
The study was conducted to set up the criteria of judgement that could be utilized for cultivated wild ginseng, easy and well-defined for consumers to understand. For the purpose, the study examined consumers` perception and valuation on each attribute of cultivated wild ginseng that was related to the product quality through a choice experiment. Attributes used in the experiment were based on exterior characteristics of cultivated wild ginseng including ages, planting methods, external dimension, length of fibrous roots, and hue and color. Residents in Seoul and Gyeonggi Province were interviewed and a total of 173 questionnaires were acquired for the analysis. According to the result, respondents valued the highest score on ginseng grown by direct sowing, while they valued rather lower scores on ginseng`s external dimension. In general, the hypothetical model was shown to exist within the stable range.
조건부 로짓 모델을 이용한 산림경관기능의 경제적 가치 평가
김의경 ( Eui Gyeong Kim ),김동현 ( Dong Hyeon Kim ),유진채 ( Jin Chae Yoo ),김미옥 ( Mi Ok Kim ) 한국산림과학회 2010 한국산림과학회지 Vol.99 No.6
The purpose of this study is to estimate economic value of forest landscape function using conditional logit model, applied by Choice Experiment. For the study, we have chosen attributes and levels of forest landscape. In specific, topographical forest type, forest type, forest density, recreational factor (side trip, accessibility of valley) and WTP were included in attributes. Based on factors, we have made 48 choice sets with Balanced and Orthogonal form using SAS 9.1. The efficiency of questionnaire was 6.02 (D-Error: 0.1) and choice set and socio-economic variable were selected. In order to reduce cognitive load of respondent, 96 choice sets were divided into 4 types in questionnaire so that respondent could respond to 12 choice sets respectively. Population was citizens from 7 metropolitan cities including Seoul, and the interview survey was conducted to find out average annual WTP per household for the total 280 interviewees. As a result, In the Non-ASC model, Mcfadden` ρ had 0.21, and Log Likelihood: -2,631. Average annual WTP per household for forest landscape was 266,723 Won(Korean currency).
투자유인을 위한 임업세제의 (林業稅制) 개선방안에 관한 연구 (1) - 산림소득세의 개선방안을 중심으로 -
김의경 ( Eui Gyeong Kim ) 한국산림과학회 1993 한국산림과학회지 Vol.82 No.2
This study was carried out to improve forest tax system corresponding to Korean forestry status. Especially, special regard was paled in order to promote forest investment as a result of improvement measures. As a result of this study, the establishment of new- system which allow deduction as a loss when forest investment occurred is more effective than present forest income tax system. which glees tax-exemption on cutting of artificial forests. Some detailed adoption technique of that system was examined in various viewpoint. Also, it is indicated that this improvement measures was already adopted generally in some developed countries.