1 The environment (environmental determinants of buying behaviour)
Physical environment
Technological environment
Suppliers Customers Government Labourunions Tradeassociations Professionalgroups
Other
business
firms
Other social
institutions
Information about suppliers
(marketing communications)
Availability of
goods and services
General business
conditions
Values and
norms
Economic environment
Political environment
Legal environment
Cultural environment
2 The organization (organizational determinants of buying behaviour)
The organizational climate: physical, technological, economic, cultural
Organizational
technology
Organizational
structure
Organizational
goals and tasks
Organizational
actors
Technology
relevant for
purchasing
Organization of
the buying centre
and the purchasing
function
Buying tasks Members of the
buying centre
Technological
constraints and
technology
available to
the group
Group
structure
Group
tasks
Member
characteristics
and goals,
leadership
Task Activities
Interactions
Sentiments
Non-task ActivitiesInteractions
Sentiments
Group processes
4 The individual participants
motivation, cognitive structure, personality,
learning process, perceived roles
Buying decision process
(a) Individual (b) Group
decision-
making unit
Buying
decisions
3 The buying centre (interpersonal determinants of buying behaviour)
decision-
making unit
156 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 model
Figure 7.2 The Webster and Wind model of organizational buying behaviour
Source: Webster and Wind, 1972b.