%0 Journal Article %T Effectiveness Metrics in Platform Economy %A Mi£¿kovi£¿ %A Ivana %A Mi£¿kovi£¿ %A Vlatko %A Sirovatka %A Goran %J - %D 2018 %X Sa£¿etak New economic platforms require a new definition of metrics to measure business performance. This paper presents the concept of metrics as different companies see and proposes a metric model that synthesizes models that are analysed and warns of frequent defects in defining metrics used by companies. Particular attention is given to defining metric levels and life cycle. A model of metric phases is proposed with regard to company development. We propose the efficiency metric model of the economic platform developed as a result of previous analyses %K economic platform %K metrics %K efficiency %U https://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=330151