The link between innovation by microentrepreneurs and their access to credit through financiers is beautifully made in a recent post by the World Resources Institute:
"Finance is central to social and economic growth. While big businesses have easy access to diverse sources of funds, small and poor entrepreneurs find it extremely difficult to raise money. Capital constraints prevent many bright innovations from making it to the market. "
The post in Nextbillion.net features the example of Indian microlender Aavishkar.