Published in February 2012, revised in June 2012, according to this: http://www.davidreiley.com/papers/SpamEconomics.html http://www.davidreiley.com/papers/Spa

Published in February 2012, revised in June 2012, according to this: http://www.davidreiley.com/papers/SpamEconomics.html http://www.davidreiley.com/papers/SpamEconomics.html