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Industrial Clusters and Micro and Small Enterprises in Africa
Figure 7.2 Programs
Growth in Value Added and Gross Profit before and after the Training
a. Suame Magazine 80 60
percent
40 20 0
–20 –40 growth in value added
growth in gross profit
–60 manufacturer participants
manufacturer nonparticipants
machinist participants
machinist nonparticipants
b. Kariobangi Light Industries 25
percent
20 15 10 5 0 growth in value added participants
growth in gross profit nonparticipants
Sources: Mano and others 2009, 2010.
Net Impacts In order to estimate the net impacts of the training programs on business performance and business routines among entrepreneurs in the two clusters, econometric analysis is conducted using the differences-in-differences (DID) approach, while controlling for other factors that influence business performance and practices.