If deals favoring either side of these disputes would be better for both than no deal at all, why are L.A. teachers on picket lines and national park rangers on furlough? The strike and the shutdown began, and continue, because each party believes it can bear the suffering longer, with less discomfort than their adversaries. This belief, in turn, convinces each that the other side will concede first, and the benefits gained will be worth short-term costs.
Source: latimes.com – Los Angeles Times