In a way, the finance part is the easy part. The borrowers do the research for you, so all you need to do is gatekeep the applications and write cheques. More advanced change, like setting up co-ops, improving relationships with suppliers and buyers, or product diversification to tap into non-local demand, is likely to be much more abstract, require much more hands on intervention, and will by necessity look more like charity work or statecraft than a quantifiable business venture.