1. ACCRA, ``ACCRA Cost of Living Index,'' XXXI, No. 1 (1998).
2. Bailey, Joseph, ``Intermediaries and Electronic Markets: Aggregation and Pricing in Internet Commerce,'' Ph.D. thesis, Management and Policy, Massachusetts Institute of Technology, 1998.
3. Sales Taxes and Prices: An Empirical Analysis
4. The Spatial Incidence of Local Retail Taxation