• Journal of the Korea Convergence Society
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• v.11 no.12
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• pp.199-205
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• 2020

As many government policies have been announced today regarding real estate, especially housing, interest in prices in the housing market has increased significantly. In this study, I would like to present the direction of government policies by analyzing the relationship among income instability, the psychological condition of real estate price changes and willingness to adjust real estate holding ratio. First, major variables were extracted through the prior study review, and using a survey, data were collected and path analysis was conducted. According to the analysis, the current income instability had a negative impact on the psychological condition of real estate price changes, and a positive influence on the willingness to adjust real estate holding ratio, but the psychological condition of real estate price changes did not have a statistically significant impact on the willingness to adjust real estate holding ratio. Thus, the difference analysis was conducted between groups by dividing the ages and the number of dependents respectively. According to the analysis, the impact of income instability and psychological condition of real estate price changes on willingness to adjust real estate holding ratio differed between groups divided by ages and number of dependents. The results of this analysis will help the government to establish real estate policies and help each household to use the analysis as basic data when they make a decision about real estate. On the other hand, this study has limitations that have only been conducted cross-sectional analysis and analyzing time series changes and differences in perception between regions are going to be conducted in a future study.

• Journal of the Economic Geographical Society of Korea
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• v.22 no.4
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• pp.472-487
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• 2019

The paper industry has experienced locational shifts in the continuous innovations in raw materials and process technology. Due to the different conditions of production according to various nations and regions, the structure and location of the paper industry has evolved. Therefore, case studies of individual nations and regions are significant in understanding the various developments in the paper industry. The present study focuses on the locational shift in the development process of the paper industry in Korea, and explains the conditions in the factors of production, market and government policies. Firstly, the study examines the changes in the structure of the Korean pulp and paper industry from the early twentieth century until today, the conditions for factors of production, the change in the raw materials, the Korean paper industry staring as a pulp manufacturing process-focused then into a paper manufacturing process-focused. Secondly, the study determines how the current paper industry considers raw materials and market in the location selection process. Finally, the study explains how the locational shifts in the paper industry progressed with the implementation of location regulations in the metropolitan area since the late 1970s.

• KDI Journal of Economic Policy
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• v.28 no.1
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• pp.193-218
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• 2006

This paper examines the macroeconomic structural differences of the free floating exchange rate regime and the managed float exchange rate regime focusing on the Korean economy, and compares it to the two benchmark economies, Japan and Australia. Korea's shift to the free floating exchange rate regime from the managed float exchange rate regime came after the 1997 economic crisis. Korea's exchange rate policy provides a unique opportunity to study the different behaviors or roles, if any, of managed float and free floating exchange rate regimes. Based on a simple monetary model, we find that the exchange rates of Korea are more sensitive to the economic fundamentals under the free floating regime than under the managed float regime. Impulse response analysis shows that exchange rate pass-through into domestic variables, especially inflation rate, has a bigger short-term impact under the floating regime than under the managed regime. This finding is consistent with the view that the managed (or fixed) regime provides the domestic price stability necessary for the economic growth for the developing countries.

• The Science & Technology
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• v.33 no.4 s.371
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• pp.43-61
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• 2000

21C를 맞아 세계는 과학의 창달과 기술의 혁신을 위해 체제를 정비하고 R&D 예산을 대폭 증액하는 등 온힘을 기울이고 있다. 특히 국가통수권자가 국가 경쟁력이 과학기술력에 있다고 보고 통치차원에서 과학기술 정책을 챙기고 있는 것이다. 과학의 달 4월을 맞이하여 미국과 EUㆍ일본 그리고 중국의 21C 과학기술정책 방향을 점검해 보았다.

• Proceedings of the Korea Society for Simulation Conference
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• 2003.06a
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• pp.167-175
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• 2003

본 연구는 (s, S) 재고시스템의 최적 재고정책을 수립하는 문제를 시뮬레이션을 통하여 분석하고자 한다. 이러한 목적으로 재고관리비용에 대한 파라미터 (s, S)의 민감도를 퍼터베이션 분석법으로 구하고 확률 최적화 기법을 적용하여 단위 기간에 평균 재고관리비용을 최적으로 하는 재고정책을 발견하였다. 민감도의 추정에는 IPA법과 SPA법을 표본경로의 주문 사건 변동에 따라 조건적으로 결합하여 사용하였다. 시뮬레이션 결과 s와 S의 최적정책 추정치를 상당히 정확한 값으로 얻었으며 이러한 결과는 보다 일반적인 재고관리 문제의 분석에 도움을 줄 것으로 기대한다.

• Journal of Korean Society of Transportation
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• v.33 no.6
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• pp.531-542
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• 2015

The discussion about the structural reformation of Korean rail industry has been consistently conducted from the evaluation on Korean National Railroad's management in 1998, the foundation of KORAIL in 2005 to the approval of Suseo KTX corporation establishment in 2013 and the controversy over its privatization. This research explores the changes of government policies by applying to ACF in the assumption that those changes have been implemented due to the interaction of various external variables and main agents in policy which had existed for a long-term period that the rail industry's structural reformation has been practiced for more than 10 years. The unions failed to reach an agreement for the rail industry's structural reformation, the policies regarding the reformation have been led by superior political unions. And this research concludes that a mediator who can compromise unions' different policy preferences and means and bring up a compromised decision in conflicted situation plays a pivotal role to successfully practice these policies.

• KDI Journal of Economic Policy
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• v.14 no.4
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• pp.3-26
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• 1992

The pupose of this paper is to construct a price determination model of the Korean economy and to find out the propogation mechanism of monetary and fiscal policies. The model is a small-size macroeconometric model consisted of ten core equations : consumption, investment, exports, imports, consumer price index, wage rate, corporate bond rate, potential GNP, capital stock, and GNP identity. The model is a Keynesian model : consumer price index is determined by markup over costs, and wage rate is expressed by Phillipse curve ralation. Two features of the model, however, distinguish this model from other macroeconometric models of the Korean economy. First of all, the estimation of potential GNP and the capital stock is endogenized as suggested by Haque, Lahiri, and Montiel (1990). This allows us to calculate the level of excess demand, which is defined as the difference between the actual GNP and the potential GNP. Second, interest rate, inflation and wages are all estimated as endogenous variables. Moreover, all quantity variables include price variables as important determinants. For instance, interest rate is an important determinant of consumption and investment. Exports and imports are determined by the real effective exchange rate. These two features make the interactions between excess demand and prices the driving forces of this model. In the model, any shock which affects quantity variable(s) affects excess demand, which in turn affects prices. This strong interaction between prices and quantities makes the model look like a classical model over the long run. That is, increases in money supply, government expenditures, and exchange rate (the price of the U.S. dollar in terms of Korean won) all have expansionery effects on the real GNP in the short run, but prices, wage, and interest rate all increase as a result. Over the long run, higher prices have dampenning effects on output. Therefore the level of real GNP turns out to be not much different from the baseline level ; on the other hand, the rates of inflation, wage and interest rate remain at higher levels.

• Proceedings of the Korea Technology Innovation Society Conference
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• 2017.05a
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• pp.619-619
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• 2017

현대사회의 제품생산과 기업활동에서 소프트웨어의 중요성과 그 가치가 날로 높아져 가는 가운데 소프트웨어 기술혁신은 과거 소프트웨어 산업 영역에 국한되었던 비교적 작은 구조에서 이제는 다양한 산업 영역에서 다발적으로 일어나는 보다 넓은 구조로 변모하고 있다. 이 연구에서는 한국 출원인이 포함된 약 270만 건의 특허 메타데이터와 기업정보 데이터를 활용한 패널데이터를 구축하여 한국 산업계 전반에 걸쳐 일어나고 있는 소프트웨어 기술혁신의 구조 변동 현상을 밝혀내고, 이를 토대로 정부의 소프트웨어 산업 정책에 관한 함의를 도출하고자 한다. 이 연구는 다음의 네 부분으로 구성이 된다. 첫째, 최근 여러 분야에서 일어나고 있는 소프트웨어와 타 산업 간의 융합 현상과 이에 대한 이론적 논의를 전개한다. 둘째, 연구에 활용 할 데이터와 실증분석 방법론에 관하여 논의한다. 셋째, 패널분석을 기초로 한 실증분석을 수행하고, 그 결과를 제시한다. 넷째, 한국정부의 소프트웨어 산업 정책을 살펴보고, 이를 바탕으로 실증분석 결과가 지니는 함의에 관하여 논의한다.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2005.05a
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• pp.927-932
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• 2005

전투기를 적절히 정비하는 활동은 공군력을 유지하는데 중요하다. 일반적인 정비정책은 정해진 일정으로 주요 모듈의 정비를 수행한다. 그러나, 이러한 정비활동은 시간에 따라 변하는 모듈의 특성을 반영할 수 없다. 이에 본 연구는 변동되는 평균 고장간 시간 (MTBF) 과 평균 수리 시간 (MTTR)을 산출할 수 있는 확률효과회귀모형을 이용하여 시간에 따라 변동되는 모듈의 특성을 반영한 동적 예방정비 주기를 예측하고자 한다. 본 연구의 결과는 대한민국 공군의 전투 준비 태세 향상에 이바지 할 것으로 기대된다.

• 월간 기계설비
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• no.7 s.216
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• pp.40-41
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• 2008

기획재정부가 특정규격 자재(단품)의 급격한 가격 변동시 계약금액을 조정하는 기준을 새롭게 마련하여 지난 5월 1일부터 시행에 들어갔다. 통상 물가변동으로 인한 계약금액조정(ES)은 계약 후 90일이 경과하고, 입찰일 기준으로 가격이 3% 이상 증감시 계약금액을 조정(총액물가조정)하고 있으나 최근 원자재가격 급등으로 하도급업체 등 중소기업의 경영에 큰 부담으로 작용함에 따라 경제정책조정회의(2008.3.26. 원자재 가격 상승에 대응한 중소기업 애로 해소방안)에서 단품ES제도 시행기준을 마련하여 이번에 개정된 것이다. 이번 단품ES 제도의 도입으로 최근 가격이 급등한 단품*(철근,H형강 등)을 취급하는 중소하도급업자의 경영 애로를 다소 완화시킬 것으로 기대된다.