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Research Article Open access CC BY 3.0

The Causal Relationship between Private and Public Investment in Zimbabwe

Brian Muyambiri, Oscar Chiwira, Ngonidzashe Chiranga, Enowbi Batuo Michael

Journal of Economics, Management and Trade · pp. 239–264 · Published 22 Sep 2012

10.9734/BJEMT/2012/1213

Abstract

Aims: The study examines the relationship between private and public investment in Zimbabwe utilizing yearly time series data for the period 1967 to 2004. Study Design: Time Series Study. Place and Duration of Study: Zimbabwe, May 2011 to July 2011. Methodology: Emphasis is placed on the direction of causality and the long run and short run effect of the two types of investment on each other. The paper constructs empirical models for both private and public investment, based on the flexible accelerator theory. Private investment is found to be cointegrated with public investment. A cointergration and VEC models are employed to assess the long and short run relationship existing between public and private investment. Conclusion: The relationship between private and public investment is found to be insignificant and the direction of causality found to be unidirectional. The results support the notion that private investment precedes public investment.

Private investment public investment causality flexible accelerator theory Zimbabwe

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