Once I had a really abnormal activity on one of my sites.. Click through was 10 time higher then usually. So I emailed Google about it.. Now I noticed that earnings from that site has dropped significantly. The number of clicks is the same, but the EPC is almost 4 times less. Do you think, my email was the reason of the EPC decrease? Do you know if EPC will ever go up to its normal or it always will stay that low?
I think it's coincident. There are many reason dropped our revenue, for example:advertiser budget run out