• Title/Summary/Keyword: 물가지수

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Empirical Analysis on the Effects of Input Factor Prices on the Export Performance in Korean Manufacturing Industries (생산요소가격 변동과 제조산업의 수출성과에 관한 실증연구)

  • Kang, Joo Hoon
    • International Area Studies Review
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    • v.21 no.4
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    • pp.3-17
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    • 2017
  • The purpose of the paper is to suggest the empirical evidences for the effects of factor prices on the export performance in the Korean manufacturing industries during the period 1975:1-2016:4. The paper is to set up the error correction model derived from the autoregressive distributed lag scheme and to estimate the factor price elasticities of export in the 8 manufacturing industries. The real wage, interest and import price index elasticities of export all were estimated to be statistically significant at 1% level in the most industries with showing negative signs as expected. And the real wage elasticity proved to likely be smaller as the industries become more capital-intensive while the import price index elasticity tended to become larger in industries with larger ratio of imported intermediate goods to output. The empirical results suggest that the declines in input factor prices since the foreign exchange crisis in the end of 1997 have positive effects on the export performance in the Korean manufacturing industries.

Strategies of Business Sensitive to Economic Fluctuations Utilizing Consumption Data (소비데이터를 활용한 경기변동 민감사업 대응 전략)

  • JongHa Jung;Semin Lim;Seoyeon Kim;Yebin Jang;Yoo-Jin Moon
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2024.01a
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    • pp.453-454
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    • 2024
  • 본 연구는 경기 변동에 따라 대중들의 소비가 민감한 사업군을 도출해내고, 서울시 열린데이터 광장의 소비데이터를 분석하여 해당 기업의 경영 전략을 제시하는데 목적이 있다. 2023년 물가지수(CPI)는 8월 3.4%, 9월 3.7%, 10월 3.8%로 유례없는 상승 추이를 보이고 있다. 또한, KDI(한국개발연구원)는 2024년 소비는 고물가 기조로 인하여 상품소비의 부진이 지속되어 기업 매출이 전년(1.9%)과 유사하게 1.8% 증가하는데 그칠 전망이라고 예측하였다. 이렇게 대중들의 소비가 줄어들고 있는 경기 상황에서 기업이 손실을 막기 위해 취할 수 있는 대응 전략을 수립하는데 이 연구가 도움이 되리라고 사료된다.

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An Improvement Plan of Contract Price Adjustment through the Problem Analysis of the Current Price Escalation Regulation in Construction Projects (현행 건설공사 물가변동 제도의 문제점 분석을 통한 계약금액조정 개선방안)

  • Park, Yang-Ho;Kown, Beom-Jun;Kim, Yong-Su
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2006.11a
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    • pp.435-439
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    • 2006
  • The purposes of study is to propose a new method contract price adjustment in construction projects. The research method of this study includes a case analysis and questionnaire survey. The results of this study are as follows: 1) For improvement method of contract amount adjustment, enactment for legislation pertaining to computation methods such as military's organization through total unit cost, and price flexibility computation at the point of design modification were presented. 2) Arithmetic formulas for cases in which volume is deleted or modified below the price flexibility exemption amount or in which there is no change to quantity, at the occurrence of design modification resulting from price flexibility, were proposed.

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거시경제변수의 주식시장에 대한 변동성전이효과에 관한 실증연구

  • Byeon, Yeong-Tae;Park, Gap-Je;Im, Sun-Yeong
    • The Korean Journal of Financial Studies
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    • v.14 no.1
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    • pp.97-117
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    • 2008
  • 본 연구의 목적은 AR(1)-GARCH(1, 1)모형을 이용하여 우리나라의 거시경제변수의 변동성으로부터 주식시장의 변동성으로 전이효과(spillover)가 존재하는지를 규명하는데 있다. 본 연구는 자본시장이 개방되기 시작한 1992년 1월부터 2007년 6월까지 186개월치의 KOSPI 지수 및 주요산업지수와 거시경제변수인 정부의 통화정책을 반영하는 콜금리, 미달러환율, 인플레이션의 대용치인 생산자물가지수 자료에 근거하여 거시경제변수의 주식시장에 대한 변동성전이효과를 AR(1)-GARCH(1, 1)모형을 이용하여 분석하였다. 분석결과에 따르면 콜금리의 KOSPI 지수수익률에 대해 변동성전이효과는 통계적으로 비유의적으로 나타나 변동성전이효과가 없는 것으로 나타났으며 환율은 KOSPI에 대해 양(+)의 변동성전이효과가 존재함을 보였다. 이는 미달러환율의 기대치 않은 변동성이 주식시장의 변동성에 양(+)으로 충격을 준다는 것을 의미한다. 또한 인플레이션의 대용치인 생산자물가지수(PPI)는 주식시장에 대해 변동성전이효과가 1% 유의수준에서 통계적으로 유의하여 강한 변동성전이효과가 존재하는 것으로 나타났다. 이러한 결과는 이자율을 나타내는 콜금리를 제외하고 Cumhur, Arslan and Meziyet(2005)의 연구와 동일한 결과를 보였다.

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Analysis on Real Discount Rate for Prediction Accuracy Improvement of Economic Investment Effect (경제적 투자효과의 예측 정확도 향상을 위한 실질할인율 분석)

  • Lee, Chijoo;Lee, Eul-Bum
    • Korean Journal of Construction Engineering and Management
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    • v.16 no.1
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    • pp.101-109
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    • 2015
  • The expected economic effect by investment was divided by square of real discount rate annually for change to present value. Thus, the impact of real discount rate on economic analysis is larger than other factors. The existing general method for prediction of real discount rate is application of average data during past certain period. This study proposed prediction method of real discount rate for accuracy improvement. First, the economic variables which impact on interest rate of business loan and consumer price of real discount rate were determined. The variables which impact on interest rate of business loan were selected to call rate and exchange rate. The variable which impact on consumer price index was selected to producer price index. Next, the effect relation was analyzed between real discount rate and selected variables. The significant effect relation were analyzed to exit. Lastly, the real discount rate was predicted from 2008 to 2010 based on related economic variables. The accuracy of prediction result was compared with actual data and average data. The real discount rate based on actual data, predicted data, and average data were analyzed to -1.58%, -0.22%, and 6.06%, respectively. Though the proposed method in this study was not considered special condition such as financial crisis, the prediction accuracy was much higher than result based on average data.

Audio Guidance Application For Commodity Prices Using Public Data And AI Chatbot (공공데이터와 AI챗봇을 이용한 물가 음성안내 앱 서비스)

  • Lee, Jae-Seon;Kang, Kyeong-Don;Park, Tae-Yok;Jung, Deok-Gil
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2018.05a
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    • pp.251-253
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    • 2018
  • As the prices of agricultural, fishery, and dairy products have been fluctuating due to recent instability on commodity prices, so consumers have been more inclined to make purchase without specific criteria by relying on marketing or their personal experiences and senses of market. The core function of this application is precisely and conveniently telling the consumption index to consumers who are waved by unstable commodity prices by helping users to easily understand the price index of agricultural, fishery, and dairy products in real time using public data. And, it also includes the AI Chatbot and voice recognition function, and meets the convenience of natural language processing and hands-free etc..

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Improvement contract sum adjustment method caused by price fluctuation (물가변동에 의한 계약금액 조정방안 개선 기초연구)

  • Cho Hun-Hee;Seo Jang-Woo
    • Proceedings of the Korean Institute of Building Construction Conference
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    • v.y2004m10
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    • pp.83-86
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    • 2004
  • Index adjusted ration method has been widely utilized in public construction secter for contract sum adjustment by price fluctuation. In this method. the Production Price Index are used for calculating the base ratio. but the PPI can't reflect the property of construction project in respect of the selected item and weight structure. In this research we prove the problem of using the index adjusted ration method in contract sum adjustment by price fluctuation. and improve it by using the construction cost index. which has the property of construction project. And the result. we figure out the difference between the PPI and CCI by $6.7\%$ in maximum value.

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Estimating the Determinants of Households' Monthly Average Income : A Panel Data Model Approach (패널 데이터모형을 적용한 가구당 월평균 가계소득 결정요인 추정에 관한 연구)

  • Yi, Hyun-Joo;Cheul, Hee-Cheul
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.11 no.6
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    • pp.2038-2045
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    • 2010
  • Households' monthly average income is composed of various factors. This study paper studies focuses on estimating the determinants of a households' monthly average income. The region for analysis consist of three groups, that is, the whole country, a metropolitan city(such as Busan, Daegu, Incheon, Gwangiu, Daejeon, Ulsan.) and Seoul. Analyzing period be formed over a 57 time points(2005. 01~2009. 09). In this paper the dependent variable setting up the households' monthly average income, explanatory (independent) variables are composed of the consumer price index, employment to population ratio, Index of housing sale price, the preceding composite index, loans of housing mortgage, spending rate for care medical expense and the composite stock price index. In looking at the factors which determine the monthly average income, evidence was produced supporting the hypothesis that there is a significant positive relationship between the composite index and housing loans. The study also produced evidence supporting the view that there is a significant negative relationship between employment ratios, the house sale pricing index and spending rates for care or medical needs. The study found that the consumer price index and composite stock price index were not significant variables. The implications of these findings are discussed for further research.

A Study on the Escalation Method for Contract Adjustment Public Construction Project (물가변동에 따른 계약금액 조정방식의 지수조정율 산출에 관한 연구)

  • Bae Kyoung-Tae;Choi Dong-Soo;Hwang Chi Won
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2005.11a
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    • pp.117-120
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    • 2005
  • The business market of architecture has got a system that controls a deposit according to the price function. This system is written on a law of contract about countries. So the main body of construction has to make a reasonable contract. This study is written about a rate of numerical index on controling a deposit. We tried to fine problems and solutions of labor expenses, instrument costs and material costs which is so big and changable on the construction market Labor expenses are expressed according to the rate of construction scale between direct and indirect cost that applies ability of works. Instrument costs are expressed according to an output method of a unit price annually and a weight allowance of local instrument conditions and use frequence. The last material costs expressed according to a local weight allowance make a decision of the material cost index. They applies locally relative index more than absolute one on what uses the price rate of producers and importations. This solutions are not enough to apply to the real market, so it needs to exam and to be on the market after a feasibility study.

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