Munich Personal RePEc Archive

The Causal Relationship between Private and Public Investment in Zimbabwe

Muyambiri, Brian and Chiwira, Oscar and Enowbi Batuo, Michael and Chiranga, Ngonidzashe (2010): The Causal Relationship between Private and Public Investment in Zimbabwe.

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Abstract

The study examines the relationship between private and public investment in Zimbabwe utilizing yearly time series data for the period 1970 to 2007. Emphasis is placed on the direction of causality and the 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 approach and VEC model are employed to assess the short run relationship existing between public and private investment. 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.

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