Julia Fidler https://orcid.org/0009-0003-4895-4663 , Łukasz Matysiak https://orcid.org/0000-0002-0819-1468

© J. Fidler, Ł. Matysiak. Article available under the CC BY-SA 4.0 licence

ARTICLE

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ABSTRACT

Mathematical risk modeling in a market economy has become a key tool for analyzing consumer behavior under conditions of unstable prices and shifting supply. In this study, we combine Paul Samuelson’s classical theory of revealed preferences with dynamic demand and supply mechanisms, using Afriat’s theorem and extensions by Varian and Mas-Colell to construct utility functions without survey data. Critical voices (e.g. Dryzek) prompt a reexamination of the assumptions of full information and fixed preferences, inspiring our proposal of the F(w, z) function that accounts for the strength of market fluctuations. Empirical simulations and an analysis of market equilibrium stability yield new insights for economic policy and marketing strategies.

KEYWORDS

budget, demand, preference, price, supply

REFERENCES

Afriat, S., (1967). The construction of utility functions from expenditure data. International Economic Review, 8(1), pp. 67–77.

Asano, A., (2013). An Introduction to Mathematics for Economics. Cambridge: Cambridge University Press.

Chambers, C., Echenique, F., (2016). Revealed Preference Theory. Cambridge: Cambridge University Press.

Dryzek, J. S., (2014). Revealed preference and the pluralism of rationality. Economics and Philosophy, 30(3), pp. 383–403.

Fidler, J., Matysiak, Ł., (2024). A Consumer Preferences. An Influence of Society on the Individual. Preprint, 2024090998. Available at:https://doi.org/10.20944/preprints202409.0998.v1

Fidler, J., Matysiak, Ł., (2024). Risk, uncertainty, psychological factors and individual preferences. SSRN Working Paper. Available at:http://dx.doi.org/10.2139/ ssrn.4983662

Fidler, J., Matysiak, Ł., (2025). The impact of selected psychological factors on consumer preferences. SSRN Working Paper. Available at: http://dx.doi.org/10.2139/ssrn.5084459

Manzini, P., Mariotti, M., (2014). Revealed preference and behavioral economics. In: Zamir, E., and Teichman, D., (eds.), The Oxford Handbook of Behavioral Economics and the Law. Oxford: Oxford University Press, pp. 3–21.

Mas-Colell, A., (1978). On revealed preference analysis. The Review of Economic Studies, 45(1), pp. 121–131.

Samuelson, P. A., (1938). A note on the pure theory of consumers’ behaviour. Economica, 5(17), pp. 61–71.

Varian, H., (1982). Nonparametric analysis of optimizing behavior. Econometrica, 50(4), pp. 945–973.

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