• 제목/요약/키워드: Stationarity

검색결과 200건 처리시간 0.021초

Relationship between Exports, Economic Growth and Other Economic Activities in India: Evidence from VAR Model

  • SUBHAN, Mohammad;ALHARTHI, Majed;ALAM, Md Shabbir;THOUDAM, Prabha;KHAN, Khaliquzzaman
    • The Journal of Asian Finance, Economics and Business
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    • 제8권12호
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    • pp.271-282
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    • 2021
  • In recent years, a significant number of empirical studies have examined the relationship between export and economic growth in India. However, this study analyses the relationship between exports and economic growth through the time series model. The main aim of this study is to investigate the causal relationship between exports and economic growth in India. The VAR model was used for the period 1961 to 2015 after verifying the stationarity of the variables through using Augmented Dickey-Fuller and Phillip-Perron tests. The Indian export sector has been found to have a significant and positive impact on economic growth and other long-term economic activities. The study also employed the Granger causality test to check the direction of causality and found that RXGS, RGDP, RPFC, and RGFC had a unidirectional relationship and RXGS and RMGS had a bidirectional relationship in long run. Also, the findings of this study suggest that a steady-state between exports and economic growth can be achieved in India over a long period. The overall outcome of this study provides a testimony of the fact that the export sector plays a vital role in economic growth in India and also leads to the long-term growth of other economic activities.

The Mean Reverting Behavior of Inflation in the Philippines

  • CAMBA, Abraham C. Jr.;CAMBA, Aileen L.
    • The Journal of Asian Finance, Economics and Business
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    • 제8권10호
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    • pp.239-247
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    • 2021
  • Central Bank authorities should carefully manage inflation rate uncertainties to achieve economic growth and development not only in the short-run but also in the long-run. Since inflation is a key macroeconomic variable, an increased understanding about its behavior is undoubtedly important. Thus, paper employs unit root with breakpoints to examine the mean reverting behavior of inflation rate in the Philippines using monthly data from 2002 to 2020. Empirically, the unit root breakpoint innovational and additive outlier tests favor the stationarity or mean reverting behavior of inflation in the Philippines. Also, results of standard unit root tests, ADF, PP, GLS-Dickey-Fuller, KPSS and NP, provide strong evidence of mean reverting processes. The mean reverting behavior of inflation rate reveals that the monetary policy using inflation targeting framework has succeeded in reducing chronic inflation persistence in the Philippines. Thus, this research supports inflation targeting policy that aims to maintain general price level stability for the Philippine economy's long-term growth and development prospects. The findings of this research remain important for the central bankers for not only providing them better understanding about the behavior of inflation rate, but also helping them formulate and implement policy reforms related to money, credit and banking.

Unemployment and Shadow Economy in ASEAN Countries

  • TRAN, Toan Khanh Pham
    • The Journal of Asian Finance, Economics and Business
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    • 제8권11호
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    • pp.41-46
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    • 2021
  • The purpose of this study is to investigate the relationship between unemployment and shadow economy for 7 selected ASEAN countries using panel data from 2000-2017. This study uses a sample of 7 ASEAN countries including Cambodia, Indonesia, Malaysia, the Philippines, Singapore, Thailand, and Vietnam covering the 2000-2017 period. The stationarity of the variables is determined by Pesaran panel unit-root tests. The Westerlund panel co-integration technique is used to examine the long-run relationship among the variables. In addition, dynamic ordinary least squares (DOLS) and fully modified ordinary least squares (FMOLS) methods are also employed. The DOLS and FMOLS results indicate that unemployment acts as an important driver for the increase in the shadow economy. In addition, the study results also reveal that GDP per capita has a negative impact on the shadow economy. Moreover, government expenditure, bank credit, and inflation are positively related to the shadow economy. The empirical results indicate that the size of the shadow economy is boosted by unemployment in the selected ASEAN economies. In addition, it is also evident that an increase of GDP per capita in the sample countries results in a lower shadow economy. Besides, government expenditure, bank credit, and inflation play a crucial role in the shadow economy.

Twin Deficit and Macroeconomic Indicators in Emerging Economies: A Comparative Study of Iran and Turkey

  • ABBASI, Munir A.;AMRAN, Azlan;REHMAN, Nazia Abdul;SAHAR, Noor us;ALI, Arif
    • The Journal of Asian Finance, Economics and Business
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    • 제8권5호
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    • pp.617-626
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    • 2021
  • The study examines the existence of twin deficit in two emerging economies (Turkey and Iran) and also investigates the relation of twin deficit with specific macroeconomic indicators such as the GDP, money supply, foreign direct investment, and the interest rate both in short and long-run periods. The twin-deficit concept refers to a situation where the current account deficit and budget deficits exist in the same corresponding period of an economy. This study employs the Bound Test Autoregressive lag distributed (ARDL) model on time-series quarterly secondary data of Turkey and Iran from 1992 to 2019. The stationarity of variables has been ensured through the Augmented Dickey-Fuller (ADF) test at the level and the first difference. The results reveal the existence of a twin deficit in both the short and long-run periods only in Iran. Its existence could not be observed in the Turkish economy. The findings suggest a positive relationship between twin deficit and GDP, and a negative relationship between twin deficit and FDI and M2. At the same time, the relationship of the twin deficit with interest rate could not be found in the Iranian economy. The findings may be helpful for economic managers of both countries in executing their economic policies.

예제기반 영상 인페인팅을 위한 텍스쳐 가비지 제거 알고리즘 (Texture Garbage Elimination Algorithm for Exemplar-based Image Inpainting)

  • 공영일;이시웅
    • 방송공학회논문지
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    • 제24권1호
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    • pp.186-189
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    • 2019
  • 영상 인페인팅(image inpainting)이란 입력 영상에 훼손되거나 빈 영영이 존재할 경우 이 영역을 자연스럽게 채워 영상을 복원해내는 영상처리 기법이다. 본 논문에서는 기존의 예제 기반(exemplar-based) 영상 인페인팅의 단점 중 하나인 텍스쳐 가비지(texture garbage)의 생성을 억제할 수 있는 새로운 영상 인페인팅 기법을 제시한다. 기존 기법과 달리 영상의 텍스쳐는 통계적으로 정적(stationary)이라는 가정 하에 정적인 소스 패치만을 후보 패치로 샘플링 한다. 이를 통해 주변 신호와 일치하지 않는 신호인 텍스쳐 가비지가 타겟 영역에 복사되는 것을 방지할 수 있다. 실험을 통해 제안 기법을 이용한 텍스쳐 합성이 기존 기법에 비해 더욱 자연스러운 영상 인페인팅 결과를 생성함을 확인한다.

Analysis of the Phillips Curve: An Assessment of Turkey

  • NAR, Mehmet
    • The Journal of Asian Finance, Economics and Business
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    • 제8권2호
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    • pp.65-75
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    • 2021
  • This study analyzes the validity of the Phillips curve with regards to Turkey. The existence and direction of the causality relationship (reason-outcome relationship) between unemployment and inflation is investigated using inflation and unemployment data for the period 1980-2019. Unit root tests were utilized to evaluate the stationarity of the series. In line with the Zivot-Andrews unit root test, which was developed in response to the criticism of the failure of studies that presented macro-variables like inflation to consider traditional unit root tests, in this research, the Engle-Granger cointegration test was implemented to check whether the series could perform a joint action, and, finally, the Granger causality relationship was explored. According to the results of the analysis, over the relevant period there was a single directional causality relationship from inflation toward unemployment in Turkey. The importance of this relationship at the 10% significance level indicates the existence of many different factors that affect inflation and unemployment. Given the existence of a cointegration and causality relationship between inflation and unemployment, it can be said that, in Turkey, the Phillips curve is valid for the period 1980-2019 and that an increase of 1% in inflation will reduce the unemployment rate by 0.028%.

The Impact of COVID-19 on the Malaysian Stock Market: Evidence from an Autoregressive Distributed Lag Bound Testing Approach

  • GAMAL, Awadh Ahmed Mohammed;AL-QADASI, Adel Ali;NOOR, Mohd Asri Mohd;RAMBELI, Norimah;VISWANATHAN, K. Kuperan
    • The Journal of Asian Finance, Economics and Business
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    • 제8권7호
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    • pp.1-9
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    • 2021
  • This paper investigates the impact of the domestic and global outbreak of the coronavirus (COVID-19) pandemic on the trading size of the Malaysian stock (MS) market. The theoretical model posits that stock markets are affected by their response to disasters and events that arise in the international or local environments, as well as to several financial factors such as stock volatility and spread bid-ask prices. Using daily time-series data from 27 January to 12 May 2020, this paper utilizes the traditional Augmented Dickey and Fuller (ADF) technique and Zivot and Andrews with structural break' procedures for a stationarity test analysis, while the autoregressive distributed lag (ARDL) method is applied according to the trading size of the MS market model. The analysis considered almost all 789 listed companies investing in the main stock market of Malaysia. The results confirmed our hypotheses that both the daily growth in the active domestic and global cases of coronavirus (COVID-19) has significant negative effects on the daily trading size of the stock market in Malaysia. Although the COVID-19 has a negative effect on the Malaysian stock market, the findings of this study suggest that the COVID-19 pandemic may have an asymmetric effect on the market.

The Impact of Investments on Economic Growth: Evidence from Vietnam

  • NGUYEN, Khang The;NGUYEN, Hung Thanh
    • The Journal of Asian Finance, Economics and Business
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    • 제8권8호
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    • pp.345-353
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    • 2021
  • The impact of investment on economic growth has been studied by many authors around the world with different times and research methods. Therefore, there are conflicting opinions about the impact of investment on economic growth. To contribute empirical evidence, the objective of this study is to assess the impact of investment sources such as public investment, private investment, and foreign direct investment on economic growth in Vietnam in the short-run and long-run. The data used for the study is panel data from 63 Vietnamese provinces between 2000 and 2020. The inquiry method is PMG (Pool Mean Group) regression for economic growth (GDP) after testing the stationarity of the variables that meet the PMG regression condition as suggested by Pesaran et al. (1996) and Hamuda et al. (2013). The results show that: factors such as labor and trade openness have a negative impact on economic growth in the short term. In the long run, public investment has a negative effect on economic growth, while domestic private investment, foreign direct investment, trade openness, and labor have positive effects on economic growth. Labour contributes the most, followed by trade openness, foreign direct investment, and domestic private investment. Finally, the study provides policy implications for the Government of Vietnam.

Envisaging Macroeconomics Antecedent Effect on Stock Market Return in India

  • Sivarethinamohan, R;ASAAD, Zeravan Abdulmuhsen;MARANE, Bayar Mohamed Rasheed;Sujatha, S
    • The Journal of Asian Finance, Economics and Business
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    • 제8권8호
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    • pp.311-324
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    • 2021
  • Investors have increasingly become interested in macroeconomic antecedents in order to better understand the investment environment and estimate the scope of profitable investment in equity markets. This study endeavors to examine the interdependency between the macroeconomic antecedents (international oil price (COP), Domestic gold price (GP), Rupee-dollar exchange rates (ER), Real interest rates (RIR), consumer price indices (CPI)), and the BSE Sensex and Nifty 50 index return. The data is converted into a natural logarithm for keeping it normal as well as for reducing the problem of heteroscedasticity. Monthly time series data from January 1992 to July 2019 is extracted from the Reserve Bank of India database with the application of financial Econometrics. Breusch-Godfrey serial correlation LM test for removal of autocorrelation, Breusch-Pagan-Godfrey test for removal of heteroscedasticity, Cointegration test and VECM test for testing cointegration between macroeconomic factors and market returns,] are employed to fit regression model. The Indian market returns are stable and positive but show intense volatility. When the series is stationary after the first difference, heteroskedasticity and serial correlation are not present. Different forecast accuracy measures point out macroeconomics can forecast future market returns of the Indian stock market. The step-by-step econometric tests show the long-run affiliation among macroeconomic antecedents.

朱熹, 李彦迪, 大巡思想的太极论研究 (An Inquiry into the Taiji Theories : Zhu-Xi, Lee Eon-jeok, and Daesoon Thought)

  • 高星爱
    • 대순사상논총
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    • 제34집
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    • pp.239-262
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    • 2020
  • 朱熹通过与陆九渊进行「无极太极」论辩, 明确了对「太极」概念的观点, 并以此为基础建构了自己宇宙本体论体系。朱熹对「太极」的主要观点和主张, 不仅被李彦迪完全理解和接受, 进一步被李彦迪继承和发明。李彦迪彻底站在朱熹的立场, 巧妙引用朱熹的观点, 与陆九渊 (孙叔暾) 相对立的曹汉辅围绕「无极而太极」的解释问题进行了论辩。到近代, 大巡思想借用无极与太极概念, 以「无极」来解释道之本体, 无极作为道之「定」的侧面, 具有本体层面上的含义 ; 以「太极」来解释万物之具体生成,变化的过程, 太极作为道之「动」的侧面, 具有作用层面上的含义。进一步, 在无极与太极概念的基础上, 大巡思想多设一个「九天应元雷声普化天尊上帝」的存在, 来发挥「掌管」和「主宰」无极与太极的作用。在当时内忧外患的时代背景下, 大巡思想试图以万能的存在——上帝, 消除一切痛苦和怨恨, 开辟充满真爱和正义的后天世界。