TY - JOUR KW - Strict convexity; Strict monotonicity; Demand correspondence; Single-valuedness; Demand function Y1 - 2010/// UR - http://doi.org/10.1016/j.econlet.2010.05.025 A1 - Bilancini, Ennio A1 - Boncinelli, Leonardo VL - 108 SP - 299 TI - Single-valuedness of the demand correspondence and strict convexity of preferences: An equivalence result AV - none IS - 3 JF - Economics Letters PB - Elsevier EP - 302 ID - eprints3886 N2 - If preferences are rational and continuous, then strict convexity implies that the demand correspondence is single-valued (e.g. Barten and Böhm, 1982, lemma 7.3). We show that if, in addition, preferences are strictly monotone then the converse is also true, namely single-valuedness of the demand correspondence implies strict convexity of preferences. SN - 01651765 ER -