Sell in may and go away? Learning and risk taking in nonmonotonic decision problems
Journal of Experimental Psychology Learning Memory and Cognition (2015) - Comment
pubmed: 25419821  doi: 10.1037/a0038118  issn: 1939-1285  issn: 0278-7393 

Renato Frey, Jörg Rieskamp, Ralph Hertwig