Allende was overthrown for his abuses of power after calls from the parliament and the supreme court. Economic policy was a complete afterthought.
> Chicago School economists managed to persuade first legal theorists, and then those involved in the legal system itself, of the efficacy of their way of thinking, eventually forming the ‘law and economics’ ... Nor should it surprise you that the movement had a large degree of – ahem – ‘support’ from various moneyed interests.
Sasha Volokh: Is Law and Economics a Right-Wing Plot? http://www.ustream.tv/recorded/28943137 (the audio gets better)