We present an experiment to test whether fairness alone can explain pr
oposers' willingness to make nontrivial offers in simple bargaining ga
mes. We examine two treatments: game (ultimatum or dictator) and pay (
pay or no pay). The outcomes of the ultimatum and dictator games with
pay are significantly different, implying that fairness, by itself, ca
nnot explain the observed behavior. Doubling the amount of money avail
able in games with pay does not affect these results. The outcomes of
both games are replicable when players are paid, but the outcome of th
e ultimatum game is not replicable when players are not paid. Journal
of Economic Literature Classification Numbers: 026, 215. (C) 1994 Acad
emic Press, Inc.