Herbert Simon citations
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Herbert Alexander Simon est un économiste et sociologue américain ayant reçu le « prix Nobel » d'économie en 1978.

Il s'est d'abord intéressé à la psychologie cognitive et la rationalité limitée qui constitue le cœur de sa pensée.

Au niveau économique, ses travaux ont interrogé l'efficacité du fordisme et remis en cause les théories néo-classiques.

Ses études sur la rationalité limitée l'ont conduit à s'intéresser aux organisations et aux procédures de décisions ainsi qu'à l'intelligence artificielle dont il est un des pionniers aux États-Unis. Il a reçu avec Allen Newell, en 1975, le prix Turing, principale distinction en informatique. Wikipedia  

✵ 15. juin 1916 – 9. février 2001
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Herbert Simon: 58   citations 0   J'aime

Herbert Simon: Citations en anglais

“The behaviour of individuals is the tool with which the organisation achieves its targets.”

Herbert A. Simon livre Administrative Behavior

Source: 1940s-1950s, Administrative Behavior, 1947, p. 108.

“The criterion of efficiency dictates that choice of alternatives which produces the largest result for the given application of resources.”

Simon (1945, p. 179); As cited in: Harry M. Johnson (1966) Sociology: A Systematic Introduction. p. 287.
1940s-1950s

“Rationality requires a choice among all possible alternative behaviors. In actual behavior, only a very few of all these possible alternatives come to mind.”

Herbert A. Simon livre Administrative Behavior

Source: 1940s-1950s, Administrative Behavior, 1947, p. 79; As cited in: Terry Winograd, ‎Fernando Flores (1986) Understanding Computers and Cognition: A New Foundation for Design. p. 21.

“The techniques of the practitioner are usually called 'synthetic'. He designs by organizing known principles and devices into larger systems.”

Simon (1945, p. 353); As cited in: Philosophy of Technology and Engineering Sciences (2009) p. 425.
1940s-1950s

“Now the salient characteristic of the decision tools employed in management science is that they have to be capable of actually making or recommending decisions, taking as their inputs the kinds of empirical data that are available in the real world, and performing only such computations as can reasonably be performed by existing desk calculators or, a little later electronic computers. For these domains, idealized models of optimizing entrepreneurs, equipped with complete certainty about the world - or, a worst, having full probability distributions for uncertain events - are of little use. Models have to be fashioned with an eye to practical computability, no matter how severe the approximations and simplifications that are thereby imposed on them…
The first is to retain optimization, but to simplify sufficiently so that the optimum (in the simplified world!) is computable. The second is to construct satisficing models that provide good enough decisions with reasonable costs of computation. By giving up optimization, a richer set of properties of the real world can be retained in the models… Neither approach, in general, dominates the other, and both have continued to co-exist in the world of management science.”

Source: 1960s-1970s, "Rational decision making in business organizations", Nobel Memorial Lecture 1978, p. 498; As cited in: Arjang A. Assad, ‎Saul I. Gass (2011) Profiles in Operations Research: Pioneers and Innovators. p. 260-1.

“In view of the dramatic effects that alternative representations may produce on search and recognition processes, it may seem surprising that the differential effects on inference appear less strong. Inference is largely independent of representation if the information content of the two sets of inference rules [one operating on diagrams and the other operating on verbal statements] is equivalent—i. e. the two sets are isomorphs as they are in our examples”

Source: 1980s and later, "Why a diagram is (sometimes) worth ten thousand words," (1987), p. 71, as cited in: Bauer, Malcolm I., and Philip N. Johnson-Laird. " How diagrams can improve reasoning http://mentalmodels.princeton.edu/papers/1993diags%26reasoning.pdf." Psychological Science 4.6 (1993): 372-378.

“Economic man deals with the "real world" in all its complexity. Administrative man recognizes that the world he perceives is a drastic simplified model… He makes his choices using a simple picture of the situation that takes into account just a few of the factors that he regards as most relevant and crucial.”

Herbert A. Simon livre Administrative Behavior

Source: 1940s-1950s, Administrative Behavior, 1947, p. xxix; As cited in: Jesper Simonsen (1994) Administrative Behavior: How Organizations can be Understood in Terms of Decision Processes http://jespersimonsen.dk/Downloads/Simon-introduction.pdf. Roskilde Universitet.

“Since my world picture approximates reality only crudely, I cannot aspire to optimize anything; at most, I can aim at satisficing. Searching for the best can only dissipate scarce cognitive resources; the best is the enemy of the good.”

p.361
Source: 1980s and later, Models of my life, 1991, p. 361; As cited in Ronald J. Baker (2010) Implementing Value Pricing: A Revolutionary Business Model for Professional Firms. p. 122.

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