Değer kaybı nedeniyle elektrik kesintileri (% satış) Kaynak: Dünya Bankası, İşletme Anketleri (http://www.enterprisesurveys.org/).
Değer kaybı nedeniyle elektrik kesintileri (% satış)
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Uzun açıklama: Elektrik kesintisi nedeniyle kayıp değeri satış elektrik kesintileri nedeniyle kayıp yüzdesi.
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Yöntem: The World Bank Enterprise Surveys gather firm-level data on the business environment of individual economies across the world and assess how business environment constraints affect productivity and job creation. The World Bank has collected this data from face-to-face interviews with business owners and top managers in over 110,000 firms in 128 economies. Of this total fully comparable data is available for 122 countries (close to 80,000 interviews) which are the source for the indicators of this section. The surveys cover a broad range of business environment topics including access to finance, corruption, infrastructure, informality, regulations and taxes, crime, competition, trade, and performance measures. A standardized survey, including country-specific questions, is typically conducted in an emerging economy every 3-4 years. For several countries, firm-level panel data are also available, allowing policymakers to track changes in the business environment over time. Confidentiality of the survey respondents and the sensitive information they provide is necessary to ensure the greatest degree of survey participation, integrity and confidence in the quality of the data. Surveys are usually carried out in cooperation with business organizations and government agencies promoting job creation and economic growth, but confidentiality is never compromised. Typically 1200-1800 interviews are conducted in larger economies, 360 interviews are conducted in medium-sized economies, and for smaller economies, 150 interviews take place. The manufacturing and services sectors are the primary business sectors of interest. This corresponds to firms classified with ISIC codes 15-37, 45, 50-52, 55, 60-64, and 72 (ISIC Rev.3.1). Formal (registered) companies with 5 or more employees are targeted for interview. Services firms include construction, retail, wholesale, hotels, restaurants, transport, storage, communications, and IT. Firms with 100% government/state ownership are not eligible to participate in an Enterprise Survey. In each country, businesses in the cities/regions of major economic activity are interviewed. The sampling methodology for Enterprise Surveys is stratified random sampling with replacement. Stratification variables include sector, firm size and geographic area.. In a stratified random sample, all population units are grouped within homogeneous groups and simple random samples are selected within each group. This method allows computing estimates for each of the strata with a specified level of precision while population estimates can also be estimated by properly weighting individual observations.
Kaynak: Dünya Bankası, İşletme Anketleri (http://www.enterprisesurveys.org/).
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