ABSTRACT
This chapter begins with a general descriptive definition of the type of models considered, discusses their features, reviews examples of their applications, identifies considerations in policy applications, and assesses the status and potential for behavioural models in policy analysis and planning. The last dimension of the policy role of behavioural models is that of evaluation level. It speculates on new categories, similar to the conventional and emerging prediction packages, that may better fit the policy roles space defined before. The conceptual understanding of the behaviour of people and the flow of benefits to them under transport policy change is especially important to the decision-maker and manager. Behavioural methods contribute indirectly to the evaluative capability of these policy analysis systems by allowing outputs to be expressed over most any market segment of the region without errors resulting from homogeneity assumptions. A policy-maker is often dangerously unable to keep a broad perspective in a complex system.
