We examine the tax-growth nexus in Zimbabwe using parametric and non-parametric analysis. We use a two-stage estimation procedure that first generates efficiency scores for the country using a Data Envelopment Approach. We use the efficiency scores in the second stage to normalise growth to get...

This paper examines the relationship between the structure of R&D fixed capital spending, measured as the ratio of the private sector to public sector R&D capital expenditure, and national total factor productivity. It employs South African data for the period 1965 to 2019. This study employs...