Logo, Micheal R. Baye, John Morgan, Patrick Scholten

Indices Graph

These data are from a real-time project with John Morgan and Patrick Schoten that ended when Baye went to the Federal Trade Commission.

measure 1: measure 2: time span:
automatic graph

Internet Indices as of June 30, 2007

IndexThis WeekLast WeekChange% Change
Price Range40.8340.340.491.21
Relative Dispersion10.0410.020.020.20
Value of Information16.4016.220.181.11
Price Gap1.841.92-0.08-4.17
Internet Competitiveness101.3299.821.501.50
Market Thickness Index122.81125.71-2.90-2.31

 Price Range This Week:
The Price Range rose to 40.83 percent this week. Low-price sellers are now offering 40.83 percent better deals than sellers charging the highest prices.

 Did you know?
This research is featured in the Wall Street Journal, New York Times, and Forbes. Information about these articles is contained under selected media coverage.
 What is Price Range?
The Price Range summarizes the percentage difference between the highest and lowest prices for each product in our database. When the price range is zero, prices charged do not vary across sellers.

 Tip for users:
You may click a measure in the above table to graph its historical values, or click a column header to sort values.