TY JOUR TI INCOME STRUCTURE AND LEVEL AS A KEY FACTOR IN THE STUDY OF CONSUMER BEHAVIOR AND SOCIAL TRENDS KW population income KW consumer behavior KW bounded rationality KW social trends JO Modern Technologies and Scientific and Technological Progress AU Zarubina, Y.V. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»