Arbitrium was founded to generate impact with behaviourally-plausible solutions. This means moving past definitions of "homo economicus" in aggregate-level solutions by personalising choices. Arbitrium develops fit-for-purpose solutions pulling from a range of disciplines, including: Choice Modelling to quantify people’s preferences; Market Research to enrich data collection measurements and approaches; Social Psychology to identify psychological and contextual variables influencing individual preferences; Microeconomics to translate insights from individuals to populations; Behavioural Economics to generate human-centred outcomes.