JasonDX - 2:54 pm on Apr 9, 2010 (gmt 0)
There are two reasons why publishers experience 50% drops. The first one is the dollar amounts are low. So it's easy to drop from $20 per day to $10 per day.
Why is it easier to drop from $20 to $10 than from $1000 to $500? 50% is 50% no matter how you look at it.