The property of being contestable or debatable.(noun)
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Use "contestability" in a sentence
"Is the "threat of hanging" and not the actual closure an example of Baumol's "contestability"?"
"Mr. Zey told him that, if he could pass a physical examination, he could procure a policy, which Mr. Zey would arrange in two years to sell to an investor, once the policy passed the standard "contestability" period, the suit alleges."
"Reformers tried calling it 'contestability' and pushed through some improvements, but in the end reaction triumphed over reform."