• International Area Studies Review
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• v.20 no.1
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• pp.147-165
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• 2016

We empirically examine the validity of second generation endogenous growth theory suing 21 OECD countries' panel data(1981~2011). Due to non-stationarity in all variables, we test the cointegrated relationships strongly supporting the semi-endogenous growth model. In the estimation of total factor productivity growth function, the growth of domestic and foreign R&D investment levels statistically significantly affect total factor productivity growth. R&D intensity, however, has significant impacts on the total factor productivity growth only in a few models, and international technology gap also has positive impacts on GDP growth. Thus the semi-endogenous growth model is relatively supported while fully endogenous growth model is weakly and occasionally supported in OECD countries. The policy implication of supporting the semi-endogenous growth model is that the sustaining growth requires increasing R&D expenditures.

• Land and Housing Review
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• v.13 no.3
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• pp.69-81
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• 2022

Unplanned land use, that is, unplanned development, causes various negative externalities. In the past, Korea has experienced significant socio-economic costs due to reckless development centered on the boundary between urban and non-urban areas.. Unplanned land use can be viewed as a result of the interaction of various factors.. Therefore, it is difficult to develop in areas where unplanned land use occurs intensively. It is necessary to strengthen legal and institutional measures so that negative externalities do not persis. In this study, we present a spatial analysis methodology to effectively find spatial clusters where unplanned land use is concentrated. By demonstrating and applying this to individual development activities that occurred in Asan City, we examine the usefulness of information to support decision making when establishing mid-to-long-term growth management strategies at the local government level.

• Economic and Environmental Geology
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• v.54 no.2
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• pp.285-297
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• 2021

Globally, nuclear-decommissioning facilities have been increased in number, and thereby hundreds of thousands of wastes, such as concrete, soil, and metal, have been generated. For this reason, there have been numerous efforts and researches on the development of technology for volume reduction and recycling of solid radioactive wastes, and this study reviewed and examined thoroughly such previous studies. The waste concrete powder is rehydrated by other processes such as grinding and sintering, and the processes rendered aluminate (C3A), C4AF, C3S, and ��-C2S, which are the significant compounds controlling the hydration reaction of concrete and the compressive strength of the solidified matrix. The review of the previous studies confirmed that waste concretes could be used as recycling cement, but there remain problems with the decreasing strength of solidified matrix due to mingling with aggregates. There have been further efforts to improve the performance of recycling concrete via mixing with reactive agents using industrial by-products, such as blast furnace slag and fly ash. As a result, the compressive strength of the solidified matrix was proved to be enhanced. On the contrary, there have been few kinds of researches on manufacturing recycled concretes using soil wastes. Illite and zeolite in soil waste show the high adsorption capacity on radioactive nuclides, and they can be recycled as solidification agents. If the soil wastes are recycled as much as possible, the volume of wastes generated from the decommissioning of nuclear power plants (NPPs) is not only significantly reduced, but collateral benefits also are received because radioactive wastes are safely disposed of by solidification agents made from such soil wastes. Thus, it is required to study the production of non-sintered cement using clay minerals in soil wastes. This paper reviewed related domestic and foreign researches to consider the sustainable recycling of concrete waste from NPPs as recycling cement and utilizing clay minerals in soil waste to produce unsintered cement.

• Proceedings of the Korea Water Resources Association Conference
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• 2009.05a
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• pp.1489-1493
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• 2009

The disaster with many casualties every year by floods, and the economic loss will occur in Korea. The establishment and the recovery measures are necessary. In this research, we analyzed the effect for reducing flood by making washland in flood season, where is used as the wetland in non-flood season in Hwapocheon basin of Nakdong River, Korea. We prepared draingage of inner basin for flood in the past because the water elevation of Hwapocheon is lower than the water elevation of the Nakdong River. On the other hand, now a days, drainage capacity of the expansion and change of the height of the embankment have limitations, because of the increase in torrential rains. In this study, HEC-RAS is used for the unsteady flow routing for the effectiveness analysis of flood level mitigation in flood season. This analysis was performed according to the scenarios of washland construction location and its scale.

• Journal of Labour Economics
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• v.29 no.1
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• pp.1-39
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• 2006

This paper documents the increase in earnings variability (or earnings risk) during the 1990s in Korea, and investigates whether it can be accounted for by capital market opening. The variances of transitory and permanent innovations in earnings are estimated from repeated cross-section data using a simple econometric framework. The increasing time-series pattern of earnings risk among men follows the increased foreign capital presence reasonably well, but the supporting cross-sectional evidence for a causal relationship between the two is weak. However, foreign direct investment (FDI) is found to have had some non-neutral effects on workers of varying skills in such a way that transitory earnings risk of less-skilled workers relatively increased with FDI. To the extent that transitory innovations are not fully insured, this widening effect of FDI on earnings risk gap may have contributed to widening welfare gap between skilled and unskilled workers in Korea, at least in terms of "risks."

• Journal of the Korea Institute of Information Security & Cryptology
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• v.23 no.2
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• pp.339-346
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• 2013

As the need for security of SCADA systems is increasing, significant progress has been made in research on security of control protocol. However, very few security solutions were adapted to legacy SCADA system. The reasons for non-adoption are latency, cost and key management problem. We propose a low latency, economic security Solution to solve these issues. The proposed solution performs security function in data link layer and has minimum overhead to minimize latency. Furthermore, we try to solve the key management problem by providing systematic security keys and key distribution method.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.2 no.2
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• pp.121-127
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• 2001

The purpose of this paper is to verify and statistically analyze the effect of credit card expenditure on money demand. Statistical analysis was Performed regarding credit spending volume. Ml, M2, M3, non-monetary banking deposit (OFI) and many other parameters based on time-series data for 14 years, from 1985 to 1998. The results suggest that credit card is not the main cause of inflation or increase of money supply but it would become an economic creation on contributing to human life in the coming century. Therefore the monetary authorities must develop the credit card industry, so as to improve positive function of credit cards and to keep controlling some of its negative functions minimally.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
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• v.67
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• pp.1-21
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• 2015

U. N. Convention on Contracts for the International Sale of Goods (hereinafter the 'CISG' or the 'Convention') has been in force more than 37 years. The CISG responds to the need for uniform sales law. First of all, the biggest barrier against the uniformity in sales law is so-called "homeward trend". Professor Honnold, who served as secretary of UNCITRAL during the time in which the CISG was developed, pointed out the danger of "homeward trend" like this in his Article. "One threat to international uniformity in interpretation is a natural tendency to read the international text through the lenses of domestic law." CISG Article 79 is the principal provision governing the extent to which a party is exempt from liability for a failure to perform any of his obligations due to an impediment beyond his control. So-called 'Manfred Forberich' decision regarding the article 79 represents the most extreme example of what is likely the most dangerous error that tribunals applying the CISG can make. CISG Article 79 only governs impossibility of performance, and there is a controversy whether a disturbance which does not fully exclude performance, but it considerably more difficult or onerous(hardship, change of circumstances, economic impossibility) can be considered as an impediment. Unlike PICC and PECL, the CISG governs contract of sale. Therefore, events such as a sudden increase in the price of raw materials or a dramatic devaluation of currency, will not allow the seller to avoid his liability for non-delivery of the goods or to require renegotiation of the terms of the contract of sale. We should bear in mind that the CISG should be interpreted and applied in the context of the CISG itself.

• KDI Journal of Economic Policy
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• v.29 no.1
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• pp.177-196
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• 2007

This paper investigates the cyclical patterns of buffer capital using an unbalanced panel data for the banks in 30 OECD countries and 7 non-OECD Asian countries. We test whether the relationships between buffer capital and business cycle are systematically different across country groups controlling for other potential determinants of bank capital. We find that the correlation is positive for developed countries while it is negative for Asian developing countries. These findings suggest that, once Basel II is implemented, developing countries are more likely to observe an increase in output volatility. We then review the policy recommendations to mitigate the procyclicality problem of Basel II.

• Korean Journal of Social Welfare
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• v.57 no.1
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• pp.169-192
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• 2005

The purpose of this study is to find out the actual conditions of depression and to explore factors influencing depression of female adults with disabilities by administering Beck Depression Inventory(BDI) to 143 subjects. The subjects were divided into two groups: depression group of scores above 21 of BDI and non-depression group of scores below 20 of BDI. Among the subjects, 36% were found to be on the level of clinically depressed state. Variables such as age, educational level, economic status, monthly income, employment, severity of disability, complexity of disability, health conditions, volunteer activities, family contacts, use of social welfare services marked statistically significant difference between two groups. And Variables such as dysfunctional attitudes, self-esteem, volunteer activities, health conditions were found to be as influencing factors on depression of female adults with disabilities. Some social work practice implications were discussed.