粮食、蔬菜、肉禽蛋等传统食物已成为生活必需品，其需求量不会随着收入和价格产生太大的变化。
Traditional food such as rice, vegetable, meat, poultry and egg have become necessities of life, its demand would not increase as income and price change.
生活必需品需求的特点是需求的价格弹性很小，这使得生活必需品有价格上升的内在趋势。
A characteristic of the daily necessities is that the price elasticity of demand is very small.
结果与结论：药品价格的变化对药品需求影响较小，城镇居民的药品消费属于生活必需品消费。
RESULTS&CONCLUSIONS:The changes of drugs price have little influence on drugs demand, for urban residents, drugs consumption be…
结果与结论：药品价格的变化对药品需求影响较小，城镇居民的药品消费属于生活必需品消费。
RESULTS&CONCLUSIONS:The changes of drugs price have little influence on drugs demand, for urban residents, drugs consumption be…
应用推荐