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141.
Dipl.-Ök. Oliver Kiaman Prof. Dr. Stefan Wielenberg 《Zeitschrift für Betriebswirtschaft》2010,80(3):237-261
The replacement of public sector accounting methods in municipalities by double-entry bookkeeping has been discussed as well as implemented for some time now. This paper examines whether municipal accounting comprises accounting purposes which are comparable to the purposes of external financial reporting and whether the recognition and valuation rules used in firms can also be applied to municipal accounting. We argue that municipalities and businesses have similar accounting purposes. However, the application of financial reporting, including the corresponding recognition and valuation rules, to municipal accounting requires a critical look for several reasons. First, the concept of accounting income is not suitable in terms of decision-facilitating and decision-influencing in municipalities. Furthermore, it is doubtful how meaningful the valuations of municipal assets in annual financial statements are. The equivalent of providing dividend restrictions based on accounting income is often thought to consist in ensuring intergenerational fairness by asset preservation in municipalities. However, this element of municipal accounting requires rules that are not based on an asymmetrical recording of risks and chances according to the principle of prudence and that take into account the assessment of future generations regarding the benefits of municipal projects. 相似文献
142.
M. Revan Özkale 《Journal of applied statistics》2013,40(10):2219-2243
The detection of outliers and influential observations has received a great deal of attention in the statistical literature in the context of least-squares (LS) regression. However, the explanatory variables can be correlated with each other and alternatives to LS come out to address outliers/influential observations and multicollinearity, simultaneously. This paper proposes new influence measures based on the affine combination type regression for the detection of influential observations in the linear regression model when multicollinearity exists. Approximate influence measures are also proposed for the affine combination type regression. Since the affine combination type regression includes the ridge, the Liu and the shrunken regressions as special cases, influence measures under the ridge, the Liu and the shrunken regressions are also examined to see the possible effect that multicollinearity can have on the influence of an observation. The Longley data set is given illustrating the influence measures in affine combination type regression and also in ridge, Liu and shrunken regressions so that the performance of different biased regressions on detecting and assessing the influential observations is examined. 相似文献
143.
Using data from U.S. commodity flow survey, we show that the historical Union–Confederacy border lowers contemporaneous trade between U.S. states by about 13%. The finding is robust over econometric models, survey waves, or aggregation levels. Including contemporaneous controls, such as network or institutional variables, lowers the estimate only slightly. Historical variables, such as slavery, do not explain the effect. Adding U.S. states unaffected by the Civil War, we argue that the friction is not merely reflecting unmeasured North–South differences. Finally, the border effect is larger for differentiated than for homogeneous goods, stressing the potential role for cultural factors and trust. (JEL F15, N72, N92, Z10) 相似文献
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146.
Anneloes Meijnders Cees Midden Anna Olofsson Susanna Öhman Jörg Matthes Olha Bondarenko Jan Gutteling Maria Rusanen 《Risk analysis》2009,29(8):1116-1128
In evaluating complex new technologies, people are usually dependent on information provided by others, for example, experts or journalists, and have to determine whether they can trust these information sources. This article focuses on similarity as the basis for trust. The first experiment ( N = 261) confirmed that a journalist writing about genetically modified (GM) food was trusted more when his attitude was congruent with that of his readers. In addition, the experiment showed that this effect was mediated by the perceived similarity of the journalist. The second experiment ( N = 172) revealed that trust in a journalist writing about the focal domain of GM food was even influenced by him expressing a congruent attitude in an unrelated domain. This result supports a general similarity account of the congruence effect on trust, as opposed to a confirmatory bias account. 相似文献
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148.
Frailty models are often used to model heterogeneity in survival analysis. The distribution of the frailty is generally assumed to be continuous. In some circumstances, it is appropriate to consider discrete frailty distributions. Having zero frailty can be interpreted as being immune, and population heterogeneity may be analysed using discrete frailty models. In this paper, survival functions are derived for the frailty models based on the discrete compound Poisson process. Maximum likelihood estimation procedures for the parameters are studied. We examine the fit of the models to earthquake and the traffic accidents’ data sets from Turkey. 相似文献
149.
M. Revan Özkale 《统计学通讯:模拟与计算》2013,42(5):1143-1186
In this study, the performance of the estimators proposed in the presence of multicollinearity in the linear regression model with heteroscedastic or correlated or both error terms is investigated under the matrix mean square error criterion. Structures of the autocorrelated error terms are given and a Monte Carlo simulation study is conducted to examine the relative efficiency of the estimators against each other. 相似文献
150.
ABSTRACTEmpirical likelihood (EL) is a nonparametric method based on observations. EL method is defined as a constrained optimization problem. The solution of this constrained optimization problem is carried on using duality approach. In this study, we propose an alternative algorithm to solve this constrained optimization problem. The new algorithm is based on a newton-type algorithm for Lagrange multipliers for the constrained optimization problem. We provide a simulation study and a real data example to compare the performance of the proposed algorithm with the classical algorithm. Simulation and the real data results show that the performance of the proposed algorithm is comparable with the performance of the existing algorithm in terms of efficiencies and cpu-times. 相似文献