In July 2007 Joris Brinckerhoff, founder and owner of Costa Rica Entomological Supplies (CRES), must decide whether to accept an offer from RBA, a publications firm in Barcelona, Spain, to sell mounted butterflies or "deadstock" as part of RBA's "collectibles" program for schoolchildren. Joris had always avoided the deadstock business which he considered to be low margin and unstable. The...