Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/89424 
Authors: 
Year of Publication: 
2009
Series/Report no.: 
LEM Working Paper Series No. 2009/11
Publisher: 
Scuola Superiore Sant'Anna, Laboratory of Economics and Management (LEM), Pisa
Abstract: 
The paper is based on the acknowledgement that properties of markets stemming from features of demand are too frequently overlooked in the economic literature, and a re-balancing is necessary to properly account for theoretical and empirical phenomena. We sustain that one of the most relevant reasons for the neglect of the role of demand is the lack of an adequate representation of consumers. This claim is particularly relevant for evolutionary economics since its critique to the mainstream approach stopped at the representation of firms. The standard utility maximization approach to consumers' theory is even less defensible than the related assumption of producers' rationality, given the lack of competitive pressure on consumers. As a contribution to this theoretical gap, the paper presents a model for consumer based on the assumption of bounded rationality and inspired to the literature on experimental psychology. The proposed model can be applied to multi-dimensional products/services and relies on intuitive and potentially observable parameters, allowing for a wide range of theoretical and empirical applications. Moreover, the intrinsic structure of the model provides a clear definition of preferences, meant as ex-ante decisional criteria, distinguished from post-hoc justification of any decisional result. Though structurally simple, the proposed model is very flexible and allows for a clear exploration of the impact of specific demand features on the produced results. Several experiments show that the model can be successfully applied both to generate standard results and to implement complex configurations such as those of generated by large markets with heterogeneous products. Among the results presented, the most relevant concerns the identification of two classes of market segmentation, generated by the identical suppliers and demand's exogenous factors, but different consumers' decisional mechanisms. The results produced are observationally equivalent, but are shown to have radically different properties, and are proposed as initial elements of a taxonomy for the classification demand classes, likely to explain common properties across different markets.
Subjects: 
Evolutionary Economics
Consumer Theory
Bounded Rationality
Marketing and Preferences
Simulation Models
Market Structure
JEL: 
C63
D11
D81
L10
L15
M30
Document Type: 
Working Paper

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