Robert Underwood Ayres | |
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| Born | June 29, 1932 Plainfield, New Jersey, U.S. |
| Died | October 23, 2023 (aged 91) France |
| Alma mater | University of Chicago University of Maryland King's College London |
| Scientific career | |
| Fields | Industrial ecology Environmental economics |
| Institutions | Hudson Institute Carnegie-Mellon University International Institute for Applied Systems Analysis INSEAD Chalmers Institute of Technology |
| Part of a series on |
| Ecological economics |
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Robert Underwood Ayres (June 29, 1932 – October 23, 2023) was an American-born physicist and economist. His career focused on the application of physical ideas, especially the laws of thermodynamics, to economics; a long-standing pioneering interest in material flows and transformations (industrial ecology or industrial metabolism)—a concept which he originated.[1] His most recent work challenged the widely held economic theory of growth.