A WebmasterWorld thread has several reports from publishers of the Yahoo Publisher Network complaining that their income is down over 50%.

The publishers suspect fraud! They suspect that Yahoo is not reporting the true impression and clicks, thus skimming earnings off the top. Here are some of the accusations:

Alright, I can’t quote all the complaints, because they go on and on. Do you think Yahoo is skimming their publishers or do you think it is a temporary reporting glitch?

Forum discussion at WebmasterWorld.