广东省取消管道燃气初装费，改为计量收费和容量收费的两部定价法，允许适当提高天然气价格。
Because Guangdong Province had canceled fees of natural gas pipelines installation, natural gas will be charged by two parts, and natural gas prices may be improved.
与以收支平衡为条件的平均成本价相比，二部定价实现了帕累托改进，提高了社会福利。但是二部定价对社会福利的增加也应该满足一定的条件。
Compared with the average cost pricing in the condition of equilibrium, the two-part tariff results in a Pareto improvement and an increase of welfare when meeting some certain conditions.
应用商店的成功很大一部分是由于它的简单性和定价策略。
A major part of the App Store's success is down to its simplicity and pricing.
应用推荐