Nicholas Georgescu-Roegen was described by Paul Samuelson as 'an economist's economist'. This book honors him by discussing his theories on a wide range of issues but particularly on environmental and energy economics. It is a dynamic tribute which extends his work to address the problems the...

1. Introduction -- 2. Conceptual background and welfare terminology -- 3. Other approaches to welfare economics -- 4. A positive basis : the learning theory of consumption -- 5. An evolutionary theory of welfare -- 6. Evolutionary welfare economics -- 7. Concluding remarks.