Cohabitation in government occurs in semi-presidential systems such as France when the President and the Prime Minister come from different political parties. It is seen as a double-edged sword. It prevents the stagnation of "split majorities" that can occur in presidential systems - a concern especially relevant to the French in light of instability and political paralysis - yet it can also result in massive political tension in times of crisis, as seen in Sri Lanka during the later months of 2003.
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