Demirguc-Kunt, Asli; Levine, Ross; Beck, Thorsten - National Bureau of Economic Research (NBER) - 2005
. Using a sample of 45 countries, we find a strong, positive association between the importance of SMEs and GDP per capita … growth. The data do not, however, confidently support the conclusions that SMEs exert a causal impact on growth. Furthermore …, we find no evidence that SMEs alleviate poverty or decrease income inequality. …