Economics, principles, and policy 2026-02-15T21:04:10+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Baumol, William J.; Blinder, Alan S (Harcourt Brace Jovanovich, 1979)