It receives a bigger incentive when making a campaign for the proper agency of what when makes a campaign for a customer. Freakonomics the occult and unexpected side of that it affects in them if bases on 5 basic ideas: The incentives are the rock of touch of the modern life; The conventional wisdom in general is maken a mistake; Distant and even though subtle causes can many times to provoke drastic effect; The specialists – of the criminologists to the real estate brokers they use its privileged information in proper benefit; To know what to measure and as to measure makes the world to seem complicated much less.

When analyzing the first chapter the author affirms that all we trapaceamos and that this is in the nature human being. Trapaceamos to get less more spending, is a economic act. The professors of the public net of Chicago U.S.A. have its reasons to carapace, therefore its pupils will have good notes in progo they will be rewarded with gratuities and compliments. But as to discover that these professors trapaceiam? The Sitema de Ensino de Chicago makes use of a data base with the tests of the pupils from there if it created an algorithm that could extract some conclusions of this mount of data, from there if they had identified groups who had improved very its development and things are of the common one and had been concluded that the professors who trapaceavam they were men and women, younger and in general less qualified of what the average. It takes what me to believe that the incentives received for the professors whose groups if left well were valid the penalty to be run same with the punishment risk. The highest point fighters also trapaceiam only that worse still many trapaceiam to lose, what for the people is an unacceptable thing.