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Dr Katarzyna Idzikowska
ORCID: 0000-0002-0689-5285

PhD, Assistant Professor at the Department of Economic Psychology, specializing in decision-making psychology and risk psychology. She has participated in research projects conducted for institutions such as the National Bank of Poland and the City of Warsaw, as well as in projects funded by the Ministry of Science and Higher Education and the National Science Centre. Member of the Academic Association for Economic Psychology and The Society for Judgment and Decision Making. She actively participates in national and international scientific conferences.

 
DOI: 10.33226/1231-7853.2025.8.4
JEL: D91

This research examined whether increasing social distance – shifting from decisions for oneself to those for a close other – affects preferences in time–money trade-offs. Across two experiments, participants evaluated service options differing in duration and cost. We hypothesized that decisions made on behalf of others would reflect a stronger preference for time-saving over cost-saving options. In Study 1 (N = 133), a binary choice task showed that decisions for others more often favoured time-saving but costlier options, and required longer deliberation. In Study 2 (N = 131), a matching procedure asked participants to state the monetary value of faster options; here, the social distance effect disappeared, suggesting that the more analytical task format attenuated group differences. The findings indicate that the impact of social distance on consumer decisions depends on task structure, with practical implications for how offer formats can influence whether customers prioritize time or money.

Keywords: social distance; time–money trade-offs; decision making; cognitive processing; consumer behaviour