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Any process in which there are only random causes of variation follows a law of normal distribution. This condition that appears frequently in natural phenomena (hence it is called “normal”). When we evaluate what happens with a variable measured in a very large population, we find that these values form a bell shape. . .…

“People respond to incentives.” Steve Levitt A few months ago, I decided to sell my house. While, in theory, it is a straightforward task, it isn’t clear. I received a couple of evaluations with a difference between them of 25%: for some agents, my house values X, and for others, it values X + 25%…

One the most social phenomena in Twitter, are the open questions that anonymous users made to others. It is pretty common to see how simple questions like: What do you prefer: white wine or red white? What do you choose for your holiday: sea or mountain? passed by our timeline almost everyday, and in the…