Weighted Average Ebook Price by Publisher at Amazon
Line Graph: The average per unit e-book price at Amazon of each first wave agency publisher increases significantly when it switched to agency. On the line graph, the Y-axis represents e-book price and the X-axis represents the month.
Wave 1 is the week of April 4, 2010. On the line chart for that day it shows e-book prices for Hachette, Harper Collins, Macmillian, Simon and Schuster, Penguin and Random House all around 9$ a share. Nonmajor’s price was around $6.20.
Source: Gilbert Direct, p. 51.