This article discusses a paper that seems interesting from the perspective of effective altruism and how peoples behavior changes based on where they think their money might be going:

http://www.vox.com/2014/10/30/7131345/overhead-free-donations-charity-fundraising-seed-matching-gneezy

If you want a link directly to the paper, that link is both in the article and reposted here:

http://www.sciencemag.org/content/346/6209/632

Short summary: When considering donations, people in the study donated more when they know their donation is not going to overhead.