The objectives of the study were 1) to determine the critical factors that affect the buyer-supplier collaboration in Thai public and private hospitals, and 2) to test the causal relations in a structural equation model for the buyer-supplier collaboration framework. The unit of analysis was at the organizational level. The methodology was divided into 3 steps: (1) review of the buyer-supplier collaboration phenomena and relevant literature to develop a theoretical model of buyer-supplier collaboration in Thai public and private hospitals; ...