Accordingly, we collected data quarterly data on retail e-commerce, total retail commerce, and broadband penetration from 2000 through 2009. We acquired the e-commerce data and total retail commerce data from the Census Bureau's
Quarterly E-Commerce Reports. We acquired household broadband penetration data from the Pew Internet & American Life Project's Broadband at Home Survey. Using these data, we specified a regression model where retail e-commerce was the dependent variable and total retail commerce and broadband penetration were the independent variables. Table 5 depicts the results of this analysis: