Mixed modes (MM) are receiving increased interest as a possible solution for saving costs in panel surveys, although the lasting effects on data quality are unknown. To better understand the effects of MM on panel data I will examine its impact on random and systematic error and on estimates of change. The SF12, a health scale, in the Understanding Society Innovation Panel is used for the analy...

This paper studies the income inequality and economic development relationship by using unbalanced panel data on OECD and non-OECD countries for the period 1962 2003. Nonparametric estimation results show that income inequality in OECD countries are almost on the backside of the inverted-U, while non-OECD countries are approximately on the foreside, except that the relationship in both country ...

A general structural equation model is fitted on a panel data set that consists of I correlated samples. The correlated samples could be data from correlated populations or correlated observations from occasions of panel data. We consider cases in which the full pseudonormal likelihood cannot be used, for example, in highly unbalanced data where the participating individuals do not appear in co...

The purpose of this paper is to examine the determinants of Taiwan’s manufacturing firm growth, in particular, the effects of corporate financial choices and the financial structure on firm growth in different industries besides other physical factors discussed in the literature. We construct an unbalanced dynamic panel data using 280 listed and OTC manufacturing firms over the period 1991-2002...

the implementation of economic projects by targeting the subsidies can have a great effect on the costcompetitiveness of the industries and their products. the global steel industry has been considered as a basickey industry in the industrialized countries. it is also among the industries that may be seriously affected by theenforcement of subsidies. this industry, requiring energy and high-tec...

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