Query: What as the Paris Region's economy shifted towards?
Context: The Paris Region economy has gradually shifted from industry to high-value-added service industries (finance, IT services, etc.) and high-tech manufacturing (electronics, optics, aerospace, etc.). The Paris region's most intense economic activity through the central Hauts-de-Seine department and suburban La Défense business district places Paris' economic centre to the west of the city, in a triangle between the Opéra Garnier, La Défense and the Val de Seine.