Contenido: Presentation -- Executive Summary -- Introduction -- What is economics good at -- The nature of prices, markets, Production, and exchange -- Some results from welfare theory and the role of prices -- What if the market fails -- The Economic nature of museums -- What is he nature of the activity to be financed -- The economic nature of the museums' activities -- The Economic organization of Museums -- Consequences -- Outline of an "Economic Theory of Museums" -- Where to go from here -- Acknowledgements.