@article{382270, note = {"July 2006."}, author = {Silver, M. S. and Heravi, Saeed.}, url = {http://library.usi.edu/record/382270}, title = {Why elementary price index number formulas differ: price dispersion and product heterogeneity /}, publisher = {International Monetary Fund, IMF Institute,}, recid = {382270}, pages = {16 p.}, address = {[Washington, D.C.] :}, year = {2006}, }