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C. Estrada Mejía

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Implicit and explicit labeling interventions to encourage sustainable travel behavior change

Aviation is a major contributor to global greenhouse gas emissions, highlighting the urgent need for behavioral interventions that encourage a shift toward more sustainable modes of transportation, such as rail travel. This research investigates how ecolabels influence travel mode decisions by promoting trains over flights. In an online experiment with a fictitious booking travel platform, 330 participants indicated their purchase intention and actual selection between three travel options: a flight (high emissions), a bus (moderate emissions), and a train (low emissions), across four experimental conditions. These included a control condition (no label), an implicit color-coded label, an explicit label informing about the CO₂ emissions, and a combined label incorporating both the implicit and explicit formats. Results indicate that the implicit label significantly decreased participants' intention and actual selection of air travel and increased their intention and choice for train travel. No significant effects were observed on bus travel choices. Furthermore, the combined label did not yield additional benefits beyond those achieved by either label alone. These findings contribute to the research on behavioral economics and environmental psychology by addressing a critical gap in understanding how interventions that are effective in low-impact, low-effort contexts (e.g., food and packaging choices) affect people's decisions regarding high-impact, high-effort behavior changes, such as rethinking travel behavior. ...
Journal article (2025) - C. Estrada Mejía, Hungsoo Kim, Marcel Zeelenberg
Climate change has caused both substantial short and long-term financial impacts on individuals and families. Little research, however, has examined its financial consequences on retirement savings. This study explores the relationship between climate risk (CR) and retirement wealth, and related pathways via risk aversion and regret with 1,438 Dutch respondents. Findings show that CR is positively related to risk aversion and avoidance of regret, and more savings for retirement. The findings indicate that CR is a relevant determinant of savings for retirement, but it is inconclusive that more savings is through precautionary motive or future regret. ...
Journal article (2023) - Andrés Barrios, Sonia Camacho, Catalina Estrada-Mejia
Purpose: This paper aims to explore the intersection between service and social innovation, using a service-dominant logic (SDL) ecosystem approach to analyze how service innovations cocreate transformative value for individuals and communities. Design/methodology/approach: A case study, with different data sources, is used to understand different innovations in a program that provides financial training to women in poverty in Colombia. Findings: In the program’s service ecosystem, actors worked in tandem to develop dialogical service innovations. These service innovations transformed into social innovations, cocreating transformative value at different levels of the service ecosystem, including beneficiaries, families and communities. Research limitations/implications: First, this study illustrates how, during service value cocreation experiences, a dialogical innovation path occurs with the simultaneous participation of different service entities. Second, it uses transformative value cocreation to integrate service and social innovations conceptually. Third, it reveals how service innovation cocreates transformative value at different levels of the service ecosystem. Fourth, it shows how technology in its material and immaterial forms, working as an operand and operant role, respectively, facilitates service innovations. Practical implications: This study illustrates how a wider service focus including all actors involved, in addition to a holistic view of beneficiaries, can prompt service and social innovations. Originality/value: Service and social innovations have been seen as parallel fields. This study uses SDL to integrate these types of innovation processes and outcomes by applying the concept of transformative value. ...
Journal article (2023) - Catalina Estrada-Mejia, Marcel Zeelenberg, Seger Breugelmans
Greed is best defined as the “experience of desiring to acquire more and the dissatisfaction of never having enough” (Seuntjens, Zeelenberg, Breugelmans, & Van De Ven, 2015, p. 518). The Dispositional Greed Scale (Seuntjens, Zeelenberg, Van De Ven, & Breugelmans, 2015) is most often used to measure greed and has been validated for various languages, although not for Spanish. We present the first Spanish translation of the DGS. We tested two parallel translations of the scale (N = 305) using two related but distinct words for greedy: codicioso and avaricioso. Both translations showed unidimensional factor structure, with acceptable reliability. Multigroup confirmatory factor analysis showed evidence for scalar equivalence of both translations. A comparison with data from a previous English version of the scale showed evidence of metric equivalence. Additionally, we found the expected relationships between greed and envy, materialism, need for achievement, and self-improvement. We conclude the DGS-Spanish has been successful in capturing the essential features of the DGS. ...
Journal article (2023) - Catalina Estrada-Mejia, Diana Mejía, Paula Córdoba
Journal article (2021) - Carlos Andres Trujillo, Catalina Estrada-Mejia, Jose A. Rosa
In this paper, we use choice architecture techniques to activate both social and personal norms, seeking to increase pro-environmental choices and to better understand the effect of such norm types on post-choice emotional responses. In four experiments, we make different social or personal norms salient by aligning choice environments with psychosocial mechanisms that activate different types of norms. We use different choice architecture techniques to change information, alter product sets, and generate the social consequences of choices. The target behavior, purchasing a recycled paper notebook, is captured through direct purchase behaviors or willingness to pay commitments. We find that choice architecture activates personal but not social norms, and that associated positive and negative emotions (guilt, shame, regret and pride) are elicited by choices but not by willingness to pay. Moreover, manipulating choice environment moderates the relationship between choice and norm-related emotions, such that positive emotional responses seem to be stronger than negative ones. The results suggest that choice architecture interventions can activate individual level beliefs about sustainability and help reduce the attitude-behavior gap. ...
Journal article (2020) - Catalina Estrada‐Mejia, Ellen Peters, Nathan F. Dieckmann, Marcel Zeelenberg, Marieke De Vries, David P. Baker
Accumulating wealth is one of the main concerns for consumers. Higher education is widely associated with higher wealth, but the underlying reasons for this association remain unclear. Using data from a field study conducted with 218 adults in agrarian communities in Peru's Andean highlands, we explored the extent to which education, non‐numeric fluid intelligence, crystallized intelligence, and numeracy skills were related to wealth. Wealth was measured using data on asset ownership (e.g., owning a fridge) and housing characteristics (e.g., toilet facilities). Structural equation modeling revealed that the level of schooling was associated with greater numeracy as well as greater non‐numeric fluid and crystallized intelligence; only greater numeracy was associated with greater wealth. Our findings are consistent with the idea that education is linked with financial outcomes, at least in part, through the enhancement of cognitive skills, particularly numeracy that then leads to greater wealth accumulation. ...
Journal article (2016) - C. Estrada-Mejia, M. de Vries, M. Zeelenberg