yunus , also shared the 1 . 4 million prize friday with the grameen bank that he founded 30 years ago , invented the concept of " microcredit . " it allows very poorer citizens , who don ' t qualify for traditional loans , to get loans of as little as a few euros or collateral . the banks ' shareholders are the impoverished families it supports .
Yunus founded the Grameen Bank 30 years ago.