Funding the Bottom of the Pyramid: A Primer on Microfinance Mark Wien Economics, Politics & Economics, Society & Culture What does $50 mean to you? In the microfinance world, a $50 loan might mean the ability for a woman in rural Bangladesh to open a market grocer or a teenager in Kenya to build tech support for his poorly-wired community. Micro Equity specialist and current medical school student Mark Wien weighs in on his favorite Reads on the subject.