Weekly Retail Prices - 2011 - Sri Lanka

Abstract
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The Colombo Consumers' Price Index (CCPI) which was introduced in 1952 by the Department of Census and Statistics and which is now published on the last working day of every month is the official index by which changes in price levels of consumer goods and services in Sri Lanka are measured. Since then the index has been used to date for very vital purposes as described below. It is used for multi-purpose functions such as :

for conversion of total current values of national income up to fixed values,
policy making on monetary income and wages,
payment of salaries and wages,
providing social security facilities and analysis of economic and social activities.

Thus the government mechanism and the non-government organizations use this index as the vital official measurement unit in the fields of financial, revenue, salaries, wages and socio-economic policy making.

Geographic coverage
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All urban Divisions in Colombo District

Analysis unit
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Commodities (in Retail outlets in Colombo City)

Universe
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Retail commodity prices of the goods in Colombo MC and suburban areas

Kind of data
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Observation data/ratings [obs]

Sampling procedure
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The Weekly Test Purchases operation is not a sample survey. But the following points should be noted:-

From each market, about five outlets have been identified for this operation.
Out of the five outlets three are visited by the enumeretors regularly.
The selected three outlets in each market are usually visited in every price collection day of the week.
The fourth & the fifth outlets will be kept as optional in case the regular outlets are not operational due to some reason.

Mode of data collection
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Face-to-face [f2f]

Research instrument
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There are two types of questionnaires,

01 A , B , C , D , E - Food Items

02 Mis01,Mis02,Mis03,Mis04,Mis05,Mis06,Mis07,Mis08 - Non Food Items

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General Instructions in filling Forms:
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***Group I Form

Price quotations should be collected in few representative and fixed open market retail outlets or stalls in the main marketing area of the Town on morning (9 to 12) of Tuesdays 1st and 3rd week

This price schedule should be perfected and sent by post to the Director Prices and Wages Division in the same week.

***Group II Form

Price quotations required should be obtained once a month from the same outlets, which should be chosen from the selected establishments listed above.

If a particular item is not available in the selected retail outlet, Price quotations may be obtained from the other establishments, whose address should be given. If the item is not available at all in the town, the price of substitute item which resembles most closely the specified item should be priced and brand name, weight should be entered in the form. Brand name and weight of "other" item where it is priced should also be given.

***Group III Form

The item should be selected under specification which has been mentioned here. Two price quotations should be obtained quarterly from the same establishments as far as possible and prices should be collected from the same establishment in future too.

If a particular item is not available in the selected retail outlets, price quotations may be obtained from the reserve or other establishments whose address should be given. If the item is not available at all in the town, the price of a substitute item which resembles most closely the specified item should be entered in the form. Brand name and Weight of "Other" item where it is priced should also be given.

Where transactions take place in other than metric units, the weight of volume of the item priced should be carefully recorded in grams or milli-liters in the space provided.

When you complete item 4 in 1st page of schedule cross-out months except the price collection month.

***Producers' Prices Form

You are instructed to obtain the Producers' prices once a month from selected two main producing centers, and few other production centers are selected for all other agriculture production. The district officer can select the producing centers with the help of the field officer in the respective DS Division. The farm-gate price of every item should be completed in column 4,5,and 6 by the field officer and monthly average prices given in the pricing schedules should be recorded systematically in a price list or in the register maintained in your office.

The average price for three columns (4,5 and 6) should be computed and recorded in the 7th column. If there is noticeable change in average price of column 7 and 8 or if current available price in column 7 is not available. Please give your reasons in column 9. Livestock prices should be collected quarterly and for this purpose the second month of each quarter is more appropriate. (Feb, May, Aug, Nov)

You are advised to collect the prices during the second week of each month and the completed forms should be sent to the Director, Prices and Wages Division by post on or before the given date.

PRODUCERS' PRICE - This is at the farm-gate price or at village market price (pola) charged to customer/buyer. This value figures should include all duties and taxes which fall on products when they leave the farm-gate, but should exclude any subsidies received. This valuation should exclude any transport charges that may be invoiced to the purchaser or user.

Cleaning operations
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Usually the prices collected should fall within a range accepted by the Prices and Wages Division staff. If by chance, an abnormally high or a low price have been recorded, that price item will be discarded and not taken for computation purposes.

In a rare situation where the prices of a commodity have not been recorded due to a problem in the market, then the previous day's recording will be assumed for the respective price collection round.

摘要
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科伦坡消费者价格指数（Colombo Consumers' Price Index，简称 CCPI），自1952年由人口普查与统计局推出，并于每月最后一个工作日公布，是衡量斯里兰卡消费者商品和服务价格水平变化的官方指数。自那时起，该指数已被广泛应用于以下至关重要的目的：

用于将国家收入的当前总价值转换为固定价值，
制定货币政策与工资政策，
支付薪水和工资，
提供社会保障设施，以及分析经济和社会活动。

因此，政府机构和非政府组织将该指数作为金融、收入、薪资、工资和社会经济政策制定领域至关重要的官方计量单位。
地理覆盖范围
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科伦坡地区的所有城市分区
分析单元
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科伦坡市零售 outlets 中的商品
总体
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科伦坡市 MC 和郊区商品的零售商品价格
数据类型
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观测数据/评级 [obs]
抽样程序
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每周测试购买操作并非抽样调查。但应注意以下事项：

从每个市场，为该操作确定了大约五个 outlets。
其中三个 outlets 定期被调查员访问。
每个市场选择的三个 outlets 通常在每周的价格收集日访问。
第四和第五个 outlets 将作为备选方案，以防因某些原因常规 outlets 无法运营。
数据收集方式
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面对面 [f2f]
研究工具
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存在两种类型的问卷，

01 A, B, C, D, E - 食品项目

02 Mis01, Mis02, Mis03, Mis04, Mis05, Mis06, Mis07, Mis08 - 非食品项目

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填写表格的一般说明：
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***第 I 组表格
价格报价应在城镇主要市场区域的一些代表性且固定的开放式市场零售 outlets 或摊位上收集，时间为每周星期二上午（9 点至 12 点）的第一和第三个星期。
此价格表应在同周内完善并通过邮寄发送至价格和工资分部总监。

***第 II 组表格
每月一次从上述选择的 outlets 获得所需的价格报价。
如果所选零售 outlets 中没有特定商品，则可以从其他 establishments 获得价格报价，并应提供其地址。如果城镇中根本无法获得该商品，则应对最接近指定商品的替代商品进行定价，并在表格中输入品牌名称和重量。还应提供“其他”商品的品牌名称和重量，其中进行了定价。

***第 III 组表格
应根据此处提到的规格选择商品。应尽可能从同一 establishments 每季度获得两次价格报价，并将价格从同一 establishments 收集。
如果所选零售 outlets 中没有特定商品，则可以从储备或其他 establishments 获得价格报价，并应提供其地址。如果城镇中根本无法获得该商品，则应在表格中输入最接近指定商品的替代商品的价格。还应提供“其他”商品的品牌名称和重量，其中进行了定价。
当交易以非公制单位进行时，应仔细记录定价商品的重量或体积，以克或毫升为单位，在提供的空间中记录。
当您完成计划第 1 页的项目 4 时，划掉除价格收集月以外的月份。

生产者价格表格

您被指示每月从两个主要生产中心以及所有其他农业生产的少数其他生产中心获取生产者价格。
地区官员可以在相应 DS 分区的现场官员的帮助下选择生产中心。
每个商品的农场大门价格应由现场官员在第 4、5 和 6 列中完成，并在定价计划中系统记录每月平均价格。
应计算三个列（4、5 和 6）的平均价格并在第 7 列中记录。
如果第 7 和 8 列的平均价格有显著变化，或者如果第 7 列中当前可用的价格不可用，请在第 9 列中说明原因。
家畜价格应每季度收集一次，为此，每个季度的第二个月更为合适。（2 月、5 月、8 月、11 月）
建议您在每个月的第二周收集价格，并在规定日期之前通过邮寄将填写完整的表格发送至价格和工资分部总监。
生产者价格 - 这是在农场大门价格或村庄市场价格（pola）向客户/买家收取的价格。此价值应包括当产品离开农场大门时产生的所有税费，但应排除任何收到的补贴。此估值应排除可能向购买者或使用者收取的任何运输费用。
清理操作
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通常收集的价格应在价格和工资分部工作人员接受的范围之内。如果偶然记录了异常高或异常低的价格，则该价格项将被丢弃，不用于计算。
在市场上由于问题而未记录商品价格的情况很少见，则假定前一天的记录为该价格收集轮次的相关价格。