生菜在南湖区的需求价格弹性分析数据

通过收集和分析生菜在某一时间段在南湖区的需求数据和价格数据，得到生菜的需求价格弹性，如果生菜需求量变动的比率大于价格变动的比率，那么生菜需求富有弹性，说明顾客对于生菜价格变化的敏感程度大，弹性越大，需求对价格变化越敏感。农户可以根据需求价格弹性浮动变化，来规划种植需求，规避市场风险，保障收入稳定。1.数据采集：采集相关生菜在某一时间段的需求数据和价格数据， 2.算法规则：对采集得到的数据按照如下公式进行计算：需求弹性系数Ed=-(△Q/Q)÷(△P/P），得到需求弹性系数。式中：Q表示产品的需求量，单位为公斤；P表示产品的价格，单位为元；△Q表示需求量同比变动值，单位为公斤；△P表示价格同比变动值，单位为元。取需求弹性系数的绝对值|Ed|作为分析数据时的参考系数。 3.数据分析：根据|Ed|的数值可分析生菜的需求价格弹性。（1）|Ed|=1（单位需求价格弹性），说明需求量变动幅度与价格变动幅度相同；（2）1<|Ed|<∝（需求富有弹性），说明需求量变动幅度大于价格变动幅度；（3）0<|Ed|<1（需求缺乏弹性），说明需求量变动幅度小于价格变动幅度；（4）|Ed|→0（需求完全无弹性），这表示不管价格怎样变动，需求量总是固定不变；（5）|Ed|→∝（需求完全有弹性），表示在既定价格之下，需求量可以任意变动。

This dataset is constructed by collecting and analyzing lettuce demand and price data in Nanhu District over a specified time period to calculate the price elasticity of demand (PED) for lettuce. If the percentage change in lettuce quantity demanded exceeds that of its price, lettuce is classified as having elastic demand, meaning consumers are highly sensitive to lettuce price fluctuations; the greater the elasticity value, the more sensitive the demand is to price changes. Farmers can adjust their planting arrangements based on fluctuating price elasticity of demand to mitigate market risks and ensure stable income.

1. Data Collection: Collect relevant lettuce demand and price data over a specified time period.

2. Algorithm Rules: Calculate the demand elasticity coefficient $E_d$ using the collected data with the following formula:
$$E_d = -frac{Delta Q / Q}{Delta P / P}$$
Where: $Q$ represents the quantity demanded of the product, with the unit of kilogram; $P$ represents the product's price, with the unit of yuan; $Delta Q$ represents the year-over-year change in quantity demanded, with the unit of kilogram; $Delta P$ represents the year-over-year change in price, with the unit of yuan. The absolute value of the demand elasticity coefficient $|E_d|$ is taken as the reference coefficient for data analysis.

3. Data Analysis: The price elasticity of demand for lettuce can be analyzed based on the value of $|E_d|$:
(1) $|E_d| = 1$ (Unitary price elasticity of demand): The magnitude of change in quantity demanded is identical to that of its price;
(2) $1 < |E_d| < infty$ (Elastic demand): The magnitude of change in quantity demanded is greater than that of its price;
(3) $0 < |E_d| < 1$ (Inelastic demand): The magnitude of change in quantity demanded is smaller than that of its price;
(4) $|E_d| o 0$ (Perfectly inelastic demand): This means the quantity demanded remains fixed regardless of price changes;
(5) $|E_d| o infty$ (Perfectly elastic demand): This indicates that the quantity demanded can change arbitrarily at a given price.

搜集汇总

数据集介绍

特点

该数据集记录了南湖区内生菜的需求价格弹性分析数据，包含919条记录，每日更新，主要用于帮助农户根据需求价格弹性调整种植计划。