Study week on the econometric approach to development planning

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Monograph

Identifikator:: 1824422792

URN:: urn:nbn:de:zbw-retromon-217476

Document type:: Monograph

Title:: Study week on the econometric approach to development planning

Place of publication:: Amsterdam [u.a.]

Publisher:: North-Holland Publ. Co. [u.a.]

Year of publication:: 1965

Scope:: XLVII, 1259 S.; graph. Darst.

Digitisation:: 2022

Collection:: Economics Books

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Document type:: Monograph

Structure type:: Chapter

Title:: The analysis of economic systems / Richard Stone, Cambridge University - Cambridge - Great Britain

Collection:: Economics Books

SEMAINE D'ÉTUDE SUR LE ROLE DE L’ ANALYSE ECONOMETRIQUE ETC. 107 modification of its individual elements without requiring each time a complete reconstruction of the entire system. FRISCH Time will not permit now to go into a detailed discussion ot what is an explanatory model, what is a forecasting model and what is a decision model, but there is one point which I must mention regarding a decision model, to avoid misunderstanding. When we start out consciously to build a decision model we begin by an attitude which in a sense is neutral, At this stage we are not at all deciding anything about what the outcome ought to be. We are to begin with perfectly neutral in this respect. We as scientific analysts are per- fectly neutral even in another respect, namely regarding what the preference function ought to be. This is a matter to be decided by the politician not by the scientific analyst. True enough the scien- tific expert will have to help the politician with respect to the form, i.e. the language in which the function is expressed, but certainly the scientist has not to decide the substance matter ex pressed by the preference function, therefore, in these very funda- mental aspects we are still neutral when we decide to work cons- ciously on the construction of decision models. There is no political attitude involved. DORFMAN Some time ago, in discussing this methodological problem, Pro- fessor LEONTIEF called to mind a very fruitful standpoint which 1 always associate with the name of KARL PopPPER, though he probably did not originate it. That is: scientific advance is an iterative process. The models we build, the terms we use to express them, the objectives for which we build the models, the measurements which they dictate and on the basis of which we verify them — all these are in constant interplay and as we learn from each step we revise all the others 1] Stone - pag. 105

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