The metaphysics of dispositions and causes / Toby Handfield -- Dispositions, causes, and reduction / Jennifer McKitrick -- Causal structuralism, dispositional actualism, and counterfactual conditionals -- Antony eagle -- Leaving things to take their chances : cause and disposition grounded in chance / Stephen Barker -- Causal laws, policy predictions, and the need for genuine powers / Nancy Cartwright -- How is scientific analysis possible? / Richard Corry -- Agent-causal power / Timothy O'Connor -- Structural properties revisited / Alexander Bird -- Causal nominalism / Ann Whittle -- Why do the laws explain why? / Marc Lange.