Individual and collective preferences are assumed to be continuous and convex, which guarantees the existence of maximal elements and the consistency of choice functions that return these elements, ...

Claude Henry, Market Games with Indivisible Commodities and Non-Convex Preferences, The Review of Economic Studies, Vol. 39, No. 1 (Jan., 1972), pp. 73-76 ...

Alongside this, research into abstract convex preferences has broadened the scope of behavioural models, lending a richer mathematical structure to the analysis of decision-making processes where ...