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Vilfredo Pareto

Vilfredo Federico Damaso Pareto, born Wilfried Fritz Pareto, was an Italian engineer, sociologist, economist, political scientist and philosopher. He made several important contributions to economics, particularly in the study of income distribution and in the analysis of individuals' choices.

He introduced the concept of Pareto efficiency and helped develop the field of microeconomics. He also was the first to discover that income follows a Pareto distribution, which is a power law probability distribution. The Pareto principle was named after him and built on observations of his such as that 80% of the land in Italy was owned by 20% of the population. He also contributed to the fields of sociology and mathematics.


“Give me the fruitful error any time, full of seeds, bursting with its own corrections. You can keep your sterile truth for yourself.”
Vilfredo Pareto
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“For a very long time, and among a large number of peoples, political power has belonged to the owners of the land.”
Vilfredo Pareto
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“Increase in the wealth per capita fosters democracy; but the latter, at least according to what we have been able to observe up to now, entails great destruction of wealth and even eventually dries up the sources of it. Hence it is its own grave-digger, it destroys what gave it birth.”
Vilfredo Pareto
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“The diverse natures of men, combined with the necessity to satisfy in some manner the sentiment which desires them to be equal, has had the result that in the democracies they have endeavored to provide the appearance of power in the people and the reality of power in an elite.”
Vilfredo Pareto
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“Men follow their sentiments and their self-interest, but it pleases them to imagine that they follow reason. And so they look for, and always find, some theory which, a posteriori, makes their actions appear to be logical. If that theory could be demolished scientifically, the only result would be that another theory would be substituted for the first one, and for the same purpose.”
Vilfredo Pareto
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“Assume that the new elite were clearly and simply to proclaim its intentions which are to supplant the old elite; no one would come to its assistance, it would be defeated before having fought a battle. On the contrary, it appears to be asking nothing for itself, well knowing that without asking anything in advance it will obtain what it wants as a consequence of its victory.”
Vilfredo Pareto
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“It is a know fact that almost all revolutions have been the work, not of the common people, but of the aristocracy, and especially of the decayed part of the aristocracy.”
Vilfredo Pareto
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“When it is useful to them, men can believe a theory of which they know nothing more than its name.”
Vilfredo Pareto
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