Taxman = +2 gold, which turns into 6 (I believe) after Stock Exchange
Police = -1 corruption, -1 waste
Switching to Police is therefore detrimental, unless you have several to have any impact on Waste, and then it may only be one less turn of production.
Police = -1 corruption, -1 waste
Switching to Police is therefore detrimental, unless you have several to have any impact on Waste, and then it may only be one less turn of production.

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