“…It is therefore crucial to research the relationship between wellbeing and sufficiency behaviour, which we regard as a subtype of sustainable behaviour (see section 1.3). The current literature reports diverging findings regarding the relationship between proenvironmental behaviour and wellbeing including negative (Binder, Blankenberg, & Guardiola, 2020), null (Defloor, Bleys, Verhofstadt, & Van Ootegem, 2022;Herziger, Claborn, & Brooks, 2020) and positive effects (Schmitt, Aknin, Axsen, & Shwom, 2018;Venhoeven, Bolderdijk, & Steg, 2020). In a cross-cultural sample involving 7 countries and N = 6969 participants, Capstick et al (2022) found a consistent positive relationship of PEB and wellbeing.…”