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Shigemi Kawase 한국응용곤충학회 1983 한국응용곤충학회지 Vol.22 No.2
Despite the great importance of chemical insecticides, with the ever increasing resistance of pest insects to chemical insecticides and the growing concern over environmental pollution, it becomes evident that the problem of pest attack on crops cannot be solved by anyone system. Under these circumstances, main pathogens of insects, i.e., viruses, bacteria, fungi and protozoa, have been studied to control many insect pests. Some of these pathogens are now being produced as microbial insecticides at the rate of hundreds of tons per year in the world. Some microbial insecticides are very effective against numerous or target insects under suitable environmental condition, and microbial control has been played an important role in integrated control program. They have many unique properties such as selectivity, multiplication and harmless to higher animals. However, we must be aware also that there are many problems to be solved, such as safety, persistence and difficulty of efficacy, etc_ on the microbial insecticides.
Immigration and Unemployment of Skilled and Unskilled Labor
( Shigemi Yabuuchi ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2008 Journal of Economic Integration Vol.23 No.2
This paper discusses the problem of unemployment in developed countries that faces international labor movement. There are two types of unemployment. The first traditional type of unemployment exists simply because the common wage rate is fixed and higher than the equilibrium level. The second one may exist when the wage rate in one sector is high and fixed, while that in the other is flexible. On the other hand, an extensive movement of labor among countries has been observed. Thus, this paper investigates the effects of immigration and other policies on the two types of unemployment.
Outsourcing, Income Distribution, and Unemployment
( Shigemi Yabuuchi ) 세종대학교 경제통합연구소(구 세종대학교 국제경제연구소) 2011 Journal of Economic Integration Vol.26 No.4
This paper examines the effects of outsourcing on employment and unemployment and income distribution in an economy with Harris-Todaro type unemployment. This is because both wages and jobs are important concerns for an economy that engages in outsourcing and consequently experiences widespread unemployment. The main findings of this paper are as follows: (i) If the outsourced factor is not produced domestically, outsourcing increases the rural wage rate (and the expected urban wage rate) and decreases the unemployed-to-employed ratio in the urban area, and it may increase unemployment in the home country. (ii) If the outsourced factor is produced domestically, outsourcing may decrease the rural wage rate (and the expected urban wage rate), and may increase the unemployedto- employed ratio in the urban area if the rural wage rate is not sensitive to the employment in the rural sectors.
Conditions for Dynamically Producing a Spiritual Photography
( Shigemi Sasaki ),( Tiejun Miao ),( Sadaka Sato ),( Kazuyoshi Sakamoto ) 한국감성과학회 2019 한국감성과학회 국제학술대회(ICES) Vol.2019 No.-
An orb was generated in experiments under an extracorporeal space and the orb and conciousness were synchronized to draw a thought graphy in manner and to caputure the formation process with a movie was conducted. The conditions for spiritual photo footage was studied.
Export Processing Zones, Backward Linkages and Unemployment
( Shigemi Yabuuchi ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2003 Journal of Economic Integration Vol.18 No.2
This paper investigates the effects of export processing zones (EPZs) on factor rewards, national income and the output of the domestic intermediate good producing sector (backward linkage effect) in surpluslabor developing countries. It is shown that if the intermediate good is internationally traded, an increase in foreign capital investment in the EPZs will not change factor rewards and then national income irrespective of the existence of unemployment. It is also shown that, contrary to the conventional wisdom, an increase in foreign capital investment decreases production of the intermediate good and increases unemployment. The effects of factor accumulation on outputs and unemployment are also examined.
Globalization, International Factor Mobility, and Wage Inequality
( Shigemi Yabuuchi ) 세종대학교 경제통합연구소 2015 Journal of Economic Integration Vol.30 No.3
The international movement of economic factors such as capital and skilled labor has complex effects on the economies involved, especially when multiple factors move at the same time. One important effect is the potential change in wage inequality between skilled and unskilled labor-particularly, in developing countries that have agreed to trade with developed countries. This study considers a small open economy with two goods and three factors to determine whether wage inequality increases or decreases due to increased movement of these factors. The key findings are that wage inequality can unambiguously increase and decrease, under certain circumstances regarding the capital intensity of the sector(s), the initial amount of foreign factors, and the shares of factors in national income.