Important decisions regarding governmental expenditures for the public welfare require accurate assessment of preferences of the citizenry as one input. Often, strong disagreement exists regarding relative merit of various projects competing for limited resources. This paper proposes a procedure...

The negative ageing property of random sum is investigated in this paper. For four negative ageing classes, it is shown that under certain circumstances, the negative aging property of the random sum is solely determined by the negative property of random count N, rather than that of Xi.