Parties overcome collective action problems. a)by lowering the cost of cooperation b) by offering creditable commitments to long term cooperation c) by coercing their members d)all the above e) a& b

For Parties to help overcome problems of the collective action, they need to lower cost of cooperation. The correct answer is letter A. It is because cost is one of the factors that contributes to solving problems like collective action than the other choices above.

Where are the options