The Economy Has a Coastline

References

1. Boulding, K. E. (1966). The economics of the coming spaceship Earth. In H. Jarrett (Ed.), Environmental Quality in a Growing Economy (pp. 3–14). Baltimore: Johns Hopkins Press for Resources for the Future. An essay; it offers no measurement.
2. Daly, H. E. (1968). On economics as a life science. Journal of Political Economy, 76(3), 392–406. https://doi.org/10.1086/259412
3. Daly, H. E. (1972). In defense of a steady-state economy. American Journal of Agricultural Economics, 54(5), 945–954. https://doi.org/10.2307/1239248
4. Daly, H. E. (1990). Toward some operational principles of sustainable development. Ecological Economics, 2(1), 1–6. https://doi.org/10.1016/0921-8009(90)90010-R
5. Rockström, J., et al. (2009). A safe operating space for humanity. Nature, 461(7263), 472–475. https://doi.org/10.1038/461472a
6. Raworth, K. (2017). A doughnut for the Anthropocene: humanity's compass in the 21st century. The Lancet Planetary Health, 1(2), e48–e49. https://doi.org/10.1016/S2542-5196(17)30028-1
7. Turner, G. M. (2008). A comparison of The Limits to Growth with 30 years of reality. Global Environmental Change, 18(3), 397–411. https://doi.org/10.1016/j.gloenvcha.2008.05.001
8. Kuznets, S. (1934). National Income, 1929–1932. Senate Document No. 124, 73rd Congress, 2nd session, pp. 6–7. Context as given by the US Bureau of Economic Analysis, Survey of Current Business, June 2020, "GDP and Beyond". Reproductions differ by a word ("measure" or "measurement"); the sentence is therefore paraphrased.