What are the disadvantages of PR?
A. Some people fear that PR will result in political instability. To a large extent, this is due to confusion with parliamentary systems, where the legislative branch chooses the executive branch, resulting in irregular enforcement of laws. Instability occurs when a small faction quits the ruling coalition, resulting in a significan rearrangement of the balance of power. It occurred when Senator Jim Jeffords quit the Republican Party in 2001. It could have also occurred if a far-right-wing senator had decided that the party was being too liberal in its efforts to maintain power. PR tends to (but does not always) result in multi-party or multi-faction legislatures, and it can be more difficult for a legislature to reorganize itself after such a power shift. However, this difficulty is usually more a result of specific procedural rules of the legislature rather than PR itself. A few PR governments, most famously Italy and Israel (which are also both parliamentary), tend to have trouble w
