Concepts, methods and applications -- Motivation -- An introduction to exergy and economics -- Exergy -- Exergy and economics -- Exergy and economic methods -- Applications of exergy-based economic methods -- History of exergy and economic methods -- Illustrative examples -- Exergy analysis -- Excem analysis -- Loss-cost ratio analysis -- Exergy-based pricing -- Speco analysis -- Exergy-guided research and development investments for countries and regions -- Closure and future directions.