Basic access to the Internet is now part of the basic investment needed to do business, according to a NBER working paper by Chris Forman, Avi Goldfarb, and Shane Greenstein. Using data from a commercial market analysis shop, they found that the average rate of adoption of at least the minimum capacity
Enhanced use of the Internet-for enterprise resource planning, customer service, education, publication, purchasing, or technical support was also widespread among industries, but at much lower rates than simple participation. The lead sectors for enhanced Internet use (rates in excess of 25 percent) were management of companies and enterprises and the information sector. The overall adoption rate for enhanced Internet applications was about 12-1/2 percent.
Among metropolitan areas, participation varied by size and by the pre-existing spatial distribution of industries. Large metropolitan areas (population greater than 1 million) had the highest participation and enhancement rates and small areas (population less than 250,000) had the lowest. The large metropolitan areas with the greatest degree of Internet participation were San Francisco, Denver, and Cleveland.