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.