• Title/Summary/Keyword: Panel unit roots test

Search Result 5, Processing Time 0.019 seconds

Financial Development and Output Growth: A Panel Study for Asian Countries

  • Jun, Sangjoon
    • East Asian Economic Review
    • /
    • v.16 no.1
    • /
    • pp.97-115
    • /
    • 2012
  • This paper investigates the relationship between financial markets and output growth for a panel of 27 Asian countries over 1960-2009. It utilizes the recently-developed panel cointegration techniques to test and estimate the long-run equilibrium relationship between real GDP and financial development proxies. Real GDP and financial development variables are found to have unit roots and to be cointegrated, based on various panel unit root tests and panel cointegration tests. We find that there is a statistically significant positive bi-directional cointegrating relationship between financial development and output growth by three distinct methods of panel cointegration estimation. Empirical findings suggest that financial market development promotes output growth and in turn output growth stimulates further financial development.

  • PDF

Technology Innovation, Human Capital and R&D Effects on Economic Growth

  • Lim, Woo-Ri;Yi, Chae-Deug
    • International Area Studies Review
    • /
    • v.21 no.1
    • /
    • pp.201-219
    • /
    • 2017
  • This paper analyzes the economic effects of the S&T Innovation, R&D, human resources and investment on the economic growth using 18 countries. We have obtained the somewhat mixed results on the existence of unit root roots in variables. While most of Pedroni cointegration tests show that there are no panel cointegration among the variables, Kao cointegration test shows that there is the panel cointegration among the variables such as GDP, human capital, R&D investment and patent. Kao cointegration test result shows that human capital, R&D investment, patent economic growth seem to have the panel cointegration or the long-run relationship among them as a whole. The estimation results of individual OLS and panel estimation show that the human capital, R&D investment and technology innovation or patent had positively significant effects on economic growth or GDP.

A Dynamic Causality Analysis of Oliver Flounder Producer Price by Region using the Panel VAR Model (패널 VAR 모형을 이용한 지역별 양식넙치 산지가격의 동태적 인과관계 분석)

  • Jeon, Yong-Han;Nam, Jong-Oh
    • The Journal of Fisheries Business Administration
    • /
    • v.52 no.1
    • /
    • pp.47-63
    • /
    • 2021
  • The purpose of this study is to identify the leading price between Jeju and Wando's oliver flounder producer price and to analyze the dynamic effect of the regional producer price using the panel VAR model. In the process of analysis, it was confirmed that there are unit roots in the monthly data of Jeju and Wando's oliver flounder producer price. So, in order to avoid spurious regression, the rate change of producer price which carries out log difference was used in the analysis. As a result of the analysis, first, the panel Granger causality test showed that the influence of the change rate of producer price in oliver flounder in Jeju was slightly larger than that in Wando, but it was found that each region all leads the change rate of the producer price in oliver flounder. Second, the panel VAR estimation showed that the rate change of producer price in Jeju and Wando a month ago had a statistically significant effect on the change rate of producer price of each region. Third, the impulse response analysis indicated that other regions are affected a little more than the same region in case of the occurrence of the impact on the error terms of the change rate of produce price in Jeju and Wando oliver flounder. Fourth, the variance decomposition analysis showed that the change rate of producer price in the two regions was higher explained by Jeju compared to Wando. In conclusion, it is expected that the above results can not only be useful as basic data for the stabilization of oliver flounder producer price and the establishment of policies for easing volatility but can also help the oliver flounder industry operate its business.

An Analysis for the Causality between Regional Knowledge Production Activity and Regional Economic Growth (지식창출활동과 지역경제성장 간의 인과관계 분석)

  • Lee, Hee-Yeon;Lee, Je-Yeon
    • Journal of the Economic Geographical Society of Korea
    • /
    • v.13 no.3
    • /
    • pp.297-311
    • /
    • 2010
  • The purpose of this study is to analyze the causality among GRDP, patent, investment of R &D, and researcher among 16 Metropolitan cities and provinces in Korea. Using the annual data ranged from 1998 to 2008, the causality test for time-series data such as unit roots test and Granger causality test were performed. We estimate the Panel-Var of the four variables to find out the various Granger causal relations for two groups which are classified by the patent productivity. The panel data causality results reveal that there are bidirectional causality relations among four variables for the more patent-productivity group. The patent has bi-directional effects on GRDP and R&D. The patent cause GRDP and vice versa, patent cause R&D and vice versa. Patent not only has strong direct impact on GRDP and R&D but also has affected by the increase of GRDP and R&D through the interactive feedback mechanism. However, the causality patterns are somewhat different between the more patent-productive region and the less patent-productive region. There exists one directional causality between the R&D and GRDP for the less patent-productivity group. Such result may imply that the type of regional innovation policy should be differentiated between two groups. Regional economic policy efforts should be placed on increasing the knowledge productivity and on strengthening the regional competitiveness through the regional innovative infrastructure.

  • PDF

Empirical Study on the Semi-Endogenous Growth Theory and Fully Endogenous Growth Theory in OECD Countries (OECD국가의 준 내생적 성장이론 및 완전한 내생적 성장이론에 대한 실증고찰)

  • Cho, Sang Sup;Yang, Youngseok;Kang, Shin-Won
    • International Area Studies Review
    • /
    • v.12 no.3
    • /
    • pp.153-169
    • /
    • 2008
  • This paper examines the recently empirical test for the two types of endogenous growth models, which one is more fitted to real data. We adopt the non-stationary panel data methodologies for seeking empirical implication by using productivity and R&D data in the OECD over the past two decades. The Empirical tests show that there is a robust relationship Total Factor Productivity and R&D variables implied by semi-endogenous growth model. The relationship suggested by fully endogenous growth theory, however, is sensitive to R&D variables. Therefore, the estimation results provide empirical evidence in favour of endogenous growth theory of R&D expenditure role for sustaining economic growth. The sustained Total Factor Productivity, however, is maintained by more increasing R&D inputs for overcoming diminishing return to R&D efforts.