Variaveis instrumentais

Artigo interessante no "Economist" desta semana sobre uma controversia recente em torno da abordagem econometrica baseada em variaveis instrumentais.


Aforismos cientificos

“Make everything as simple as possible, but not simpler” - Albert Einstein

“The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts” - Bertrand Russell

“But Kent, anyone can come up with statistics to prove a point. 43% of all people know that” - Homer Simpson



Comissao Europeia prepara um sistema de classificacoes das universidades europeias.

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