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- 目次・記事1. Introduction / 2. Meaning of Heteroscedasticity / 3. Plausible Sources of Heteroscedasticity / 4. Consequences of Heteroscedasticity / 5. De......ing Some Important Properties of the OLSE of Parameters for the Specific Form of Heteroscedasticity that is，σ_i^2=σ^2 X_i^2 with the Additional Condition that，∑_(i=1)^nX_i^2 =n / 6. Theoretically Proof of the Efficiency of the GLSE with Compare to the OLSE of the Parameters for the Specific Form of Heteroscedasticity that is，σ_i^2=σ^2 X_i^2 with the Additional Condition that，∑_(i=1)^nX_i^2 =n / 7. Data Collection / 8......sion on Empirical Results on the Basis of the Given Data Set /...
- 要約等The Lorenz curve is a most powerful tool in the analysis of the size distribution of income and wealth. In the past, many authors have been proposed different functional forms for estimating the Lorenz curve. The problem of indirect approach for estimating the Lorenz curve is that it is difficult to find any one hypothetical statistical distribution to serve as a good approximation over the entire range of an actual batch of income data. That is why, the principle objective of this paper is to present direct parametric approximations of a new functional form for estimating the Lorenz curve. We can compare these alternative fo...
- 掲載誌（NCID)AN00071436