'A lot of it has to do with the timing,' Borochoff said. 'Studies show that people will generally give a fixed portion of their income (to charity), but how they apportion that off could very well change based on major disasters or events.'
But that's not donor fatigue.
'That's a shifting of priorities,' said Richard Jolly, chairman of the Giving USA Foundation, which collects annual data of donations.
Donor fatigue, he said, is a myth."