发展住宅电话的经济效益分析

Economic Benefit Analysis for Developing Residence Telephone

本文定量分析了发展住宅电话的经济效益,并给出了两个盈亏平衡公式.根据这两个公式和某大城市的实际数据,计算结果表明发展住宅电话可以提高交换设备的利用率,并带来较大的经济收益.

In this paper,two formulas of break-even analysis are given for analysing the economic benefit of developing residence telephone quantitatively. It turns out,according to these two formulas and the real data from a big city,that developing residence telephone can improve the utilization of the switching facilities and bring a considerable economic benefit.