<prompt> Translate the following text to EnglishBaadhi ya dhana zilizotumiwa huwa na kutoa makadirio ya kihafidhina ya faida ya ziada za kukimbia au upungufu wa chini na madhara ya kupanda kwa upungufu.  <response>: Several of the assumptions used tend to provide conservative estimates of the benefit of running surpluses or lower deficits and of the harm of increasing deficits. 