This paper analyzed the effects of national development and decentralization policies on the regional income disparity in Korea. It also attempted to test whether there was a structural change in the causal relationship between income inequality and its determinant factors. This study found that the degree of variation in regional incomes was positively correlated with the spatial distribution of decentralization instruments such as educational services, employment, infrastructure facilities, and information network variables. The effects of some decentralization policies on regional income inequality were fully realized within a period of three years. Finally, the impacts of the spatial decentralization of public goods on regional inequality fluctuated until the early 1980s but were stabilized as industrial restructuring and spatial reorganization progressed during the 1990s. Copyright Springer-Verlag Berlin Heidelberg 2003JEL classification: O15, R12, R15,

While there are about 1 million color vision deficiencies in Korea, an assistive technology to digital contents of broadcasting and web for them remains scarce. In this study, we developed a generation method of the ICC profile to correct a graphic digital content adapted to various color perception characteristics of CVD by tuning the correction rules of the ICC profile by themselves. We tested the performance of the ICC profile to apply 10 Ishihara plates to the participants, 1 protanomaly, 1 protanomaly and deuteranomaly and 2 deuteranomaly.We used the color range information to build correction rules. Results of the test show that they passed Ishihara test by 97.5% success rate, compared to 20% success rate without it. The average time for them to spend to tune the customized ICC profile was about 13 minute without any diagnosis of specialist, any special instrument.

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