Economist Shoshana Grossbard admits she was naive when she did her doctoral thesis on polygamy more than 30 years ago at the University of Chicago; then, she believed that a simple supply-and-demand analysis would explain the economics of polygamous societies; but over her years of study, Grossbard has found that far from women having increased value, invariably the male leaders in polygamous societies have institutionalized women into subservience.

via:[http://www.vancouversun.com/news/canada/Polygamy+many+wives+capture+market+value/3952465/story.html]