¶persistency of a policy on any individual with serious financial problems
¶persistency of (life) business
¶persistency was especially poor for business sold through company representatives.
《英》⇒lapse rate¶the improvement and deterioration of persistency
¶The key to retaining good persistency levels is achieving customer satisfaction.
出典:Wiktionary
persistency (countable かつ uncountable, 複数形 persistencies)