Book Review: Consumer Theories of Harm, An Economic Approach to Consumer Law Enforcement and Policy Making Paolo Siciliani, Christine Riefa and Harriet Gamper, Hart, Oxford, 2019, - Journal of European Consumer and Market Law View Book Review: Consumer Theories of Harm, An Economic Approach to Consumer Law Enforcement and Policy Making Paolo Siciliani, Christine Riefa and Harriet Gamper, Hart, Oxford, 2019, by - Journal of European Consumer and Market Law Book Review: Consumer Theories of Harm, An Economic Approach to Consumer Law Enforcement and Policy Making Paolo Siciliani, Christine Riefa and Harriet Gamper, Hart, Oxford, 2019, 9 5 Journal of European Consumer and Market Law