The Micromagic of Microcredit
The millions of tiny loans microcredit banks make to the world's poor do not work the miracles some advocates claim. But like the Wizard of Oz, microcredit doesnot need to be magic to do a great deal of good.
Karol C. Boudreaux and Tyler Cowen. "The Micromagic of Microcredit" The Wilson Quarterly 32.1 (2008): 27-31.