1 The environment (environmental determinants of buying behaviour)
Physical environment
Technological environmentSuppliers Customers Government Labourunions Tradeassociations ProfessionalgroupsOther
business
firmsOther social
institutionsInformation about suppliers
(marketing communications)Availability of
goods and servicesGeneral business
conditionsValues and
normsEconomic environment
Political environmentLegal environment
Cultural environment2 The organization (organizational determinants of buying behaviour)
The organizational climate: physical, technological, economic, culturalOrganizational
technologyOrganizational
structureOrganizational
goals and tasksOrganizational
actorsTechnology
relevant for
purchasingOrganization of
the buying centre
and the purchasing
functionBuying tasks Members of the
buying centreTechnological
constraints and
technology
available to
the groupGroup
structureGroup
tasksMember
characteristics
and goals,
leadershipTask Activities
InteractionsSentiments
Non-task ActivitiesInteractions
SentimentsGroup processes4 The individual participants
motivation, cognitive structure, personality,
learning process, perceived rolesBuying decision process(a) Individual (b) Group
decision-
making unitBuying
decisions3 The buying centre (interpersonal determinants of buying behaviour)decision-
making unit156 The Marketing Book
The Webster and Wind model
Webster and Wind’s (1972a) model, outlined in
Figure 7.2, stresses the role of the individual as
the real decision maker in the organization.
Therefore, the individual’s motivation, person-
ality, perception, learning and experience are all
vital to the actual decision process. This modelFigure 7.2 The Webster and Wind model of organizational buying behaviour
Source: Webster and Wind, 1972b.