Purchasing agents are often employed as individual informants in studies of organizational buying. This practice occurs in spite of the fact that several researchers have identified problems with using individual informants to study group buying behavior. The purpose of this study is to examine the appropriateness of using either single or multiple informants both in non-new task and new task g...

extended abstract 1. introduction abbasid period can be regarded as an epoch in which poetry and eulogy in persia reached maturity, i.e., in which poetry has become a means of praise and admiration (dayf, 2006, p. 565). the kings of this dynasty gathered a group of flattered eulogists and used them for political announcements (alebadi, 2006, p. 13), by allocating precious gifts of war booty to ...