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the county's urban residents per capita income will be significantly improved,felpe hollister, so high-income families often data will be deleted. 2010 National Household Survey 4450 sample of urban households in Zhejiang Province,hollister homme, the highest annual total household income income of only 665,000 yuan,basket louboutin femme, which is the deviation from the overall situation of Zhejiang Province.Because of this, professor of Renmin University of China and Beijing Normal University professor  Li Shi said that to further improve the estimation methods and improving data collection, are likely to make the Gini coefficient is now published fluctuates 2-3 percentage points appear . This is normal.Why deviations and personal feelings?Individuals within their scope of activities is difficult to observe the overall situation; recommend statistical department of the public questioned the timely responseAfter the National Bureau of Statistics announced the Gini coefficient, a lot of people questioned that a large deviation being and social income distribution gap they perceive. Why is this?Yin Chen believes that this stems from a variety of reasons. Each member of the community are within the scope of their social activities spontaneously "income gap" Survey, the results of the viewer's own objective conditions,hollister soldes, scope of activities,hogan rebel, and other relevant social experience, not like a national survey as comprehensive. For example,hollister online, remote from poor areas into the floating population metropolis, there will be more of a high-income groups and low income groups in their fields of observation, the middle-income groups are relatively small,basket nike pas cher, they feel very obvious polarization between rich and poor impression in the Gini coefficient would be high.Yin Chen believes that the statistics departments should continue to improve data quality evaluation criteria.
Gini Coefficient unaffected?Respondents performance, the number of samples,abercrombie france, sampling methods, is difficult to calculate the income projects can affect calculation resultsMany experts have admitted that in actual operation among the Gini coefficient estimates,peuterey outlet, there are many problems."The reliability of the household survey,magasin nike, the number of samples and select a random sampling method, the dual structure of urban-rural income countries significant statistical inconsistencies, as well as difficult to count the number of items of income,hogan shop online, have seriously affected the estimates of the Gini coefficient." Yin Chen said and scientific computing Gini coefficient need three basic conditions: First,nike shop, get real household income data,louboutin femme, the second is to correctly handle the raw data and the third is to select the appropriate estimation method."In the course of a sample survey, respondents are important factors affecting the performance of the result." Said Liu Yuanchun, respondents were not necessarily fill out and correctly filled in, for many reasons,pandora pas cher, such as high-income households declined to be true income, some rural households affected by the limitation will not fill the cultural level,christian louboutin paris, and even some respondents perfunctory treatment, do not cooperate with the investigation,parajumpers, refusing to be interviewed higher rate. From around the world situation, as long as the conduct household surveys,woolrich milano, there is the problem.Yin Chen believes that these problems are associated with the system defects. Because of the lack of a sound property, income and tax registration system,abercrombie online, it is difficult to collect high-income sample. At the same time, there is also the issue of statistics, in 2010 China's urban household survey samples 65607, to district level to only 100. If a district drawn a very wealthy family.
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