and indirect goods.
Forrester Research
U.S. 1999: $109 billion
U.S. 2003: $1.8 trillion |
Final commitment to buy must occur over the Internet. Measures only goods, not services. Includes only EDI transactions conducted over the Internet. Includes multiple sales transactions. |
Interviewed 80 executives from Fortune 1,000 companies, half from purchasing and half from marketing/sales organizations. Modeled 13 hard-goods supply chains. |
Gartner Group
World 1999: $145 billion
World 2003: $3.9 trillion
World 2004: $7.3 trillion |
Total value of sales transactions, involves counting each time along the supply chain that an item is resold. Only includes EDI if it transfers over the Internet at any point. |
Updated global economic model that forecasts by country. Surveyed by random sample 1,500 IT managers and interviewed in-depth 80 executives. Also interviewed major markets makers. |
Goldman Sachs
U.S. 1999: $155 billion
U.S. 2003: $1.1 trillion |
Business-to-business transactions initiated or executed over the Internet. Includes b-to-b technology and software infrastructure and government business spending. Includes only EDI transactions that travel over the Internet at any point. |
In August 1999, surveyed IT managers and financial officers at 41 Fortune 1,000 companies. Consulted equity analysts and economists in specific b-to-b segments to determine market size and percentage of sales moving online. |
IDC
U.S. 1999: $50 billion
U.S. 2003: $634 billion
World 1999: $80 billion
World 2003: $1.1 trillion |
B-to-b figures are generated by combining small, medium and large business as well as government and education. Includes products and services purchased for business end-use. Counts EDI if the front-end uses a Web gateway (5 percent to 10 percent of EDI.) |
Data gathered from the online buyers' perspective with local analysts forecasting in 30 countries. |
| *Over private networks. Source: Companies listed |
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