The 2014 Study of High Net Worth Philanthropy
A related link.
The premier study of issues driving charitable activities among affluent households. See also http://mediaroom.bankofamerica.com/phoenix.zhtml?c=234503&p=mediaMention&id=394026 for a summary, http://mediaroom.bankofamerica.com/phoenix.zhtml?c=234503&p=irol-newsArticle_print&ID=1493910&highlight= for a press release, and http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9NDAzMzE0fENoaWxkSUQ9NDExNTE2fFR5cGU9MQ==&t=1 for another reference to the Study.