16-11-2014 1 Workshop of the IRIS project, 17th November 2014 Occupational health and safety: Designing and building with MACBETH a value risk‐matrix for evaluating health and safety risks Mónica D. Oliveira, Diana F. Lopes, Carlos A. Bana e Costa, Maria Bernardes Centre for Management Studies of Instituto Superior Técnico, Universidade de Lisboa, Portugal Workshop of the IRIS project, 17th November 2014 Agenda 1. Context 2. Methodological framework 3. Model components (a) Structuring  SI: Nomenclature  SII: Identification and measurement of risk sources and consequences  SIII: Identification of impact dimensions  SIV: Impact scale construction  SV: Estimation of consequences’ impact (b) Value and probability measurement  MI: Independence test  MII: Impact value measurement  MIII: Subjective probability (c) Value and probability measurement (d) Risk classification 4. Value risk matrix 5. Decision Support System SAAR SST 6. Future research 2 Context Methodological framework Model components Value risk- matrix Decision support system Future research