“In the quantitative models that appear in leading economics journals and textbooks, nature is taken to be a fixed, indestructible factor of production. The problem with the assumption is that it is wrong: nature consists of degradable resources.”

— Partha Dasgupta

Partha Dasgupta "Nature's role in sustaining economic development." Philosophical Transactions of the Royal Society B: Biological Sciences 365.1537 (2010): 5-11.

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Partha Dasgupta 2

British economist 1942

Harold Chestnut (1917–2001) American engineer

Source: Systems Engineering Tools, (1965), p. 108; As cited in: Alberto Ortiz (1992) Systems engineering concept demonstration, process model http://www.dtic.mil/dtic/tr/fulltext/u2/a265469.pdf. p. 12

“A model may be pictorial, descriptive, qualitative, or generally approximate in nature, or it may be mathematical and quantitative in nature and reasonably precise.”

Harold Chestnut (1917–2001) American engineer

Source: Systems Engineering Tools, (1965), p. 108

“An important object of the Journal should be the publication of papers dealing with attempts at statistical verification of the laws of economic theory, and further the publication of papers dealing with the purely abstract problems of quantitative economics, such as problems in the quantitative definition of the fundamental concepts of economics and problems in the theory of economic equilibrium.
The term equilibrium theory is here interpreted as including both the classical equilibrium theory proceeding on the lines of Walras, Pareto, and Marshall, and the more general equilibrium theory which is now beginning to grow out of the classical equilibrium theory, partly through the influence of the modern study of economic statistics. Taken in this broad sense the equilibrium problems include virtually all those fundamental problems of production, circulation, distribution and consumption, which can be made the object of a quantitative study. More precisely: The equilibrium theory in the sense here used is a body of doctrines that treats all these problems from a certain point of view, which is contrasted on one side with the verbal treatment of economic problems and on the other side with the purely empirical-statistical approach to economic problems”

Ragnar Frisch (1895–1973) Norwegian economist

Frisch (1927). as quoted in: Bjerkholt, Olav, and Duo Qin. A Dynamic Approach to Economic Theory: The Yale Lectures of Ragnar Frisch. Routledge, 2010: About "Oekonometrika"
1920

“The problem is not the math itself, but the blind acceptance and even idolatry we have applied to the quantitative models. These predictive models leave citizens befuddled and unable to defend or criticize model-based decisions. We argue that we should accept the fact that we live in a qualitative world when it comes to natural processes. We must rely on qualitative models that predict only direction, trends, or magnitudes of natural phenomena, and accept the possibility of being imprecise or wrong to some degree. We should demand that when models are used, the assumptions and model simplifications are clearly stated. A better method in many cases will be adaptive management, where a flexible approach is used, where we admit there are uncertainties down the road and we watch and adapt as nature rolls on.”

Orrin H. Pilkey (1934) American ecologist

Interview with Orrin Pilkey & Linda Jarvis-Pilkey https://web.archive.org/web/20080105132439/http://www.columbia.edu/cu/cup/publicity/pilkeyinterview.html.
Useless Arithmetic: Why Environmental Scientists Can’t Predict the Future (2007)

“Two of the most widely adopted models of human resource management are the hard and soft versions. These are based on opposing views of human nature and managerial control strategies. The hard model is based on notions of tight strategic control, and an economic model of man according to Theory X, while the soft model is based on control through commitment and Theory Y. We argue that because these assumptions are so divergent, they cannot both properly be incorporated within a single model of human resource management.”

Lynda Gratton (1953) Business theorist

Catherine Truss, Lynda Gratton, Veronica Hope-Hailey, Patrick McGovern and Philip Stiles (1997). "Soft and hard models of human resource management: a reappraisal." Journal of Management Studies, 34(1), 53-73.

“Cat, n. A soft, indestructible automaton provided by nature to be kicked when things go wrong in the domestic circle.”

Ambrose Bierce book The Devil's Dictionary

The Devil's Dictionary (1911)

“Africa is wealthy in natural resources; the problem is they are not optimally utilized.”

Yoweri Museveni (1944) President of Uganda

As quoted in "President Museveni Highlights Ugandan Achievements for Americans: Ugandan leader proud of political opening, economic growth in his country" https://web.archive.org/web/20050927025054/http://news.findlaw.com/wash/s/20050923/200509231521551.html (23 September 2005), by Jim Fisher-Thompson, Washington File, FindLaw
2000s

“"From the singular appearance of this place I called it the gates of the rocky mountains," Captain Lewis said in his journals. Its singular appearance makes it a fitting backdrop for early and everlasting drama in which nature plays the leading role.”

Norman Maclean book Young Men and Fire

Young Men and Fire (1992)

“The problem with labels is that they lead to stereotypes and stereotypes lead to generalizations and generalizations lead to assumptions and assumptions lead back to stereotypes.”

Ellen DeGeneres (1958) American stand-up comedian, television host, and actress

Source: Seriously... I'm Kidding

“Economic logic requires that we maximize the productivity of the limiting factor in the short run, and invest in increasing its supply in the long run. When the limiting factor changes, then behavior that used to be economic becomes uneconomic. Economic logic remains the same, but the pattern of scarcity in the world changes, with the result that behavior must change if it is to remain economic. Instead of maximizing returns to and investing in man-made capital (as was appropriate in an empty world), we must now maximize returns to and invest in natural capital (as is appropriate in a full world). This is not “new economics,” but new behavior consistent with “old economics” in a world with a new pattern of scarcity.”

Herman E. Daly (1938) American economist

Herman E. Daly (1994) in: AnnMari Jansson. Investing in Natural Capital: The Ecological Economics Approach To Sustainability. 1994. p. 24

“In the quantitative models that appear in leading economics journals and textbooks, nature is taken to be a fixed, indestructible factor of production. The problem with the assumption is that it is wrong: nature consists of degradable resources.”

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