Nevertheless, when all due allowances are made, the coherence of individual economic decisions is remarkable. As incomes rise and demands shift, for … - Kenneth Arrow
" "Nevertheless, when all due allowances are made, the coherence of individual economic decisions is remarkable. As incomes rise and demands shift, for example, from food to clothing and housing, the labor force and productive facilities follow suit. Similarly, and even more surprising to the layman, there is a mutual interaction between shifts in technology and the allocation of the labor force. As technology improves exogenously, through innovations, the labor made redundant does not become permanently unemployed but finds its place in the economy. It is truly amazing that the lessons of both theory and more than a century of history are still so misunderstood. On the other hand, a growing accumulation of instruments of production raises real wages and in turn induces a rise in the prices of labor-intensive commodities relative to those which use little labor. All these phenomena show that by and large and in the long view of history, the economic system adjusts with a considerable degree of smoothness and indeed of rationality to changes in the fundamental facts within which it operates.
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About Kenneth Arrow
Kenneth Joseph Arrow (August 23, 1921 – February 21, 2017) was an American economist, who was Professor Emeritus of Economics in Stanford, and joint winner of the Nobel Memorial Prize in Economics with John Hicks in 1972.
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Kenneth Joseph Arrow
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Kenneth J. Arrow
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Ken Arrow
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Additional quotes by Kenneth Arrow
There is also one particularly needed elaboration of the model (which is not to say that it doesn't cry out for elaboration in many other directions). This is the relation between college filtering and on-the-job filtering. Once an employee has been hired, the employer can gradually draw on more directly obtained information to determine his productivity. However, this filtering may be costly. To the extent that the employer does filter and does so accurately, the Value of the college filter is reduced. The employer pays the average product of a group with given educational achievement only during the period before his own filter has become effective. Conversely, however, an increase in the college population will mean (and has meant) a depreciation in the quality of non-college students (this is not necessarily the same as a decrease in the quality of college students).
The idealist doctrine then may be summed up by saying that each individual has two orderings, one which governs him in his everyday actions, and one which would be relevant under some ideal conditions and which is in some sense truer than the first ordering. It is the latter which is considered relevant to social choice, and it is assumed that there is complete unanimity with regard to the truer individual ordering.
The domain of the theory of social choice is not in principle the same as that of a theory of justice. In some directions, it is clearly wider, since it is supposed to cover all decision that must be made collectively. On the other hand, it is possible to hold that propositions about distributive justice are not necessarily propositions about collective decisions.
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