Louis chose Jean-Baptise Colbert, a man famous for his parsimony and for giving the dullest parties in Paris.
No doubt Louis made sure to choose someone he would not have to worry about accumulating more power or money than him, however, he probably chose Colbert more for the fact he had helped greatly in the prosecution of Fouquet by offering up falsified evidence. If he had not appointed him as finance minister, it is likely this secret would have been released (Although many knew this anyway).
Though boring and not nearly as popular, Colbert was very thrifty and created a number of great changes to the economy.
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