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Submitted
November 21, 2021
Accepted
February 18, 2022
Published
February 18, 2022
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Abstract

The importance of understanding behavioral economics for consumers is immense nowadays. According to the Keynesian economic theory, consumption depends on GDPGR or national income growth (elasticity of income) and CPI (purchasing power). The study on Zimbabwe’s GDPMPC effects, particularly on inflation in general and the 79.6 billion % hyperinflation in particular, seemed to attract many to learn the case.  It sought to observe the interaction pattern of the country’s consumption using a co-integration and Granger-causality analysis, which sought to answer the research questions and hypotheses. They led to answer the trends direction and stationarity of the economic indicators, Granger-causality relationship and the effects of GDPMPC as a model for long-range equilibrium. The analysis of the 38-year economic panel data demonstrated a significant time series co-integration of the GDPMPC effects, which had indicated a clear direction on the GDPGR and CPI, which triggered the hyperinflation with the following model: CEt-1 = 1.000 GDPMPC (consumption) t-1 + 0.554 GDPGR (national income) t-1 + 0.167 CPI (hyperinflation) t-1 + et.

Keywords

Augmented Dickey-Fuller test consumer price index GDP growth GDPMPC reserve bank of Zimbabwe vector autoregressive

Article Details

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Nasution, E. J., & Mahaso, B. (2022). A Granger-Causality and Cointegration Analysis of Consumption Effects on Zimbabwe’s Hyperinflation and GDP Growth: A Model for Future Equilibrium. Pan-African Journal of Education and Social Sciences, 2(2). Retrieved from https://journals.aua.ke/pajes/article/view/103
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