The classical exchange theorists proposed that trust is more likely to deve
lop between partners when exchange occurs without explicit negotiations or
binding agreements. Under these conditions, the risk and uncertainty of exc
hange provide the opportunity for partners to demonstrate their trustworthi
ness. This study develops the theoretical implications of this proposition
and conducts an experimental test that compares levels of both trust and co
mmitment in two forms of direct exchange, negotiated and reciprocal. The re
sults support the classical proposition, showing that reciprocal exchange p
roduces stronger trust and affective commitment, than negotiated exchange,
and that behaviors signaling the partner's trustworthiness have greater imp
act on trust in reciprocal exchange.