High-growth entrepreneurial firms in Africa: a quantile regression approach
用分位数回归分析了11个撒哈拉以南非洲国家十个制造业部门中创业企业的增长表现，发现产品创新、自有运输和网站连接能促进高增长，而教育只提升低分位增长。
This article analyses the growth performance of a large set of entrepreneurial firms in ten manufacturing sectors of 11 Sub-Saharan African countries. The focus of the article is on identifying those entrepreneurs’ attributes and firm characteristics that tend to generate a significant number of high-growth firms in these countries. To this end, we use a quantile regression, which provides a more complete estimation of the growth distribution of firms conditional on different attributes. The results indicate that firms that engage in product innovation, have their own transport means and are connected to the internet through their own website are especially characterized by higher growth rates and also display a distribution of growth rates skewed to the right, hosting a higher number of high-growth firms. The effect of the last two variables, which relate to distance-bridging modes of infrastructure, points to the self-reinforcing growth effects they generate in creating wider input and output markets. Education raises growth opportunities by affecting the lower quantiles, but it does not appear to influence the upper quantiles. The estimated conditional growth distributions for the technology-intensive machinery and electronics sectors show more extreme tails and a lower mean in comparison to the traditional industries, indicating the more risky nature of doing business in these industries.