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      • 現代資本主義經濟의 不均衡構造

        金仁台 釜山水産大學校 1994 論文集 Vol.50 No.-

        The Purpose of this paper is to inquire into the structure of disequilibrium of modern capitalistic economy. As mentioned above, the economic theory or economics as a social science has been developed and systematized for more than two hundreds years with the change of capitalistic society. Economic practices appeared in real life long before any theory about them existed. The major economic ideas and thoughts in ancient days and the middle ages are embodied in religious teaching, codes of law, or moral exhortation. They were not parts of a system thought out as a whole and deliberately installed, but an aggregation of particular ways of meeting practical needs, invented by nobody knows whom. They were tried, modified, combined, retained, or abandoned according to change and circumstance, that is economic ideas and thoughts varied with varing customs and stages of economic development. Thus, the major economic ideas and doctrines from the mercantile system to the present has been developed as follow : 1. Discovery of economy : That is to say, economy was realized as independent and autonomous phenomena in the social phenomena. Economy was separated from study of other aspects of man's behavior, such as his political, social, esthetic, religious, or ethical life. In a sense, economy was free from the religious restraints of the middle ages. 2. Discovery of economic order. 3. Discovery of economic fluctuation. 4. Discovery of economic development. It is said that economics as a social science has started from Adam Smith. The Wealth of Nations set out to explain how the wealth of a nation is increased and how it is distributed_the basic themes of modern economics. The only source of wealth, he maintained, as we do today, is production resulting from labor and resources. The real founder of the classical school of economics, whose writings on the subject have probably had a wider influence over a longer period than those of any other was Adam Smith. After marginal revolution, economists laid the foundations for a more symmetric, general equilibrium analysis that could synthesize, both utility and disutility elements. Particularly, in the deep mathematical analysis of Leon Walras, the analysis of general equilibrium was achieved. All economists are aware of the virtually innumerable interrelationships among the prices, wages, demand curves, supplies, incomes, investment flow, and the other variables they study. It is a characteristic of our subject. The basic concept embracing these interrelationships is the general equilibrium theory constructed by the Leon Walras, a French_born professor of Switzerland's Academy of Lausanne, who wrote in the late 19th century. Walras' system was mathematical, embraced literally millions of equations, and showed how all the variables in the economy could he simultaneously determined. Highly abstract, the system assumed perfect competition, unchanging tastes and a constant technology : it also called for data, both in abundance and kind, that could never possibly be collected, much less proceeded, as Walras Knew. Of course general equilibrium theory was both a great intellectual achievement and a germinal contribution of central importance. It have been derived two handmarks of modern economics : (1) the general, over_all view of the allocation of resources which underlies all economic thinking, and (2) a practical method for measuring economic interrelationships, called the input_output system. Thus Neoclassical_Keynsian synthesis has became mainstream economics. Maintream economics that prevails in the western world. As P.A.Samuelson should say, the fruits of mainstream economics have been the better working of the mixed economy, and the era since Warld WarⅡ has wittnessed a world growth in output and living standards unmatched in recorded history. Even if his gleorify past achievements of capitalism and the era since World WarⅡ, there are many problems confronted with capitalistic society and the dark sides of economic growth in same period. In other words, the problems disclosed in many fields assumed an acute phase, in those problems, a matter of prime importance is widening and deepening of the structure of disequilibrium. The structure of disequilibrium can divide into two parts : First is the disequilibrium in market, second is social disequilibrium. And then, social disequilibrium means imbalance between private capital and social capital, in other words, insufficency of social capital compare to private capital. Consequently, capitalistic society is confronted with a multitude of economic and social problems relating to various phases such as the spatial imbalance of resoures allocation, inequality of economic development of interregional and interindustries, serious social problems caused by considerable insufficient of social over_read capital, over population and over concentration in a special area, public pollutions, frictions among industries, conflict between labor and capital, a change for the worse of quality of life in the course of their development and social development. These circumstances and these sort of things would only aggravated the socio_economics situations. Moreover, those situations threaten to become the gradual worsening of economic activities in every field and socio_economic relations. All of these problems result from the disequilibrium of modern capitalism caused by inefficiency and failure of market mechanism. I have attempted a theoritical study with the relation between economic theory and economic reality, in other words, capitalistic economy, and to present the serious characteristics of those problems, and to suggest a solution for the rational allocation of resources which might maximize the social welfare and economic efficiency, at the same time which might throw light on the possible solution in terms of optimum allocation of resources for the reduction of ineffiency and friction between economic development and social development.

      • KCI등재

        만성 골수성 백혈병의 첫 번째 임상증상으로 나타난 망막 혈관병증 1예

        김인태,권진우 대한안과학회 2009 대한안과학회지 Vol.50 No.9

        목적: 안과적인 임상증상을 주소로 내원한 환자에서 망막에 광범위하게 관찰되는 망막 혈관병증을 근거로 만성 골수성 백혈병을 진단 하였기에 이를 보고하고자 한다. 증례요약: 59세 남자환자가 한 달 동안의 점차적인 시력저하를 주소로 내원하였다. 과거력상 당뇨, 고혈압 등의 내과 질환은 없었으며 안과적인 병력도 없었다. 안저검사상 양안의 안저에 미만성 점상 및 반점 출혈과 후극부의 황백색 삼출물들이 관찰되었고 황반부종 소견을 보였다. 혈관들은 전반적으로 구불거리는 소견을 보였다. 전반적으로 망막은 다소 창백하고 두꺼워져 있었으며, 형광안저촬영 에서 후극부와 주변부 모두에서 광범위한 미세혈관류가 관찰되었다. 전신질환의 가능성을 염두에 두고 혈액학적 검사 및 생화학적 검사, 경동맥 초음파를 시행하였고 시행 결과 혈액학적 이상 소견 보여 내과에서 골수검사를 통해 만성 골수성 백혈병을 확진하였다. 결론: 양안 망막의 광범위 미만성 미세혈관류를 근거로 만성 골수성 백혈병을 비교적 조기에 진단, 치료를 시작하여 좋은 경과를 얻었다. 본 증례는 시력 저하와 망막의 이상 징후를 근거로 백혈병을 진단한 경우로, 안과적 검사와 전신검사의 중요성을 상기시켜 주는 좋은 예라 하겠다. Purpose: To present a case of bilateral retinal vasculopathy as the first manifestation of chronic myelogenous leukemia. Case summary: A 59-year-old man with no medical history such as diabetes, hypertension and no ocular history complained of decreased visual acuity for 1 month. Fundus examinations showed diffuse multiple dot and blot hemorrhages over the panretina of both eyes and vessels showed tortuous vascular changes. The fluorescein angiogram was evaluated, and showed diffuse microaneurysms at the peripheral retina and posterior pole. Hematologic and biochemical examinations as well as a carotid sonogram were performed based on the possibility of systemic disease. The patient showed hematologic abnormality and therefore was transferred to internal medicine for diagnosis of chronic myelogenous leukemia. Conclusions: The authors examined a chronic leukemia patient, who showed bilateral retinal vasculopathy as the first manifestation of chronic myelogenous leukemia. This case shows the importance of considering the possibility of systemic disease.

      • KCI등재후보

        피싱 방지를 위한 암호 알고리듬 및 메신저 구현

        김인태,장준영,이주형,황성운 보안공학연구지원센터 2009 보안공학연구논문지 Vol.6 No.5

        현재의 피싱 대응 방안은 악성코드 차단, 시스템 공격 차단 등의 방법을 사용하고 있다. 그러나 최근 메신저 피싱에는 효과적으로 대응하지 못하는 것으로 분석되었다. 본 연구에서는 메신저 피싱 문제를 효과적으로 해결할 수 있는 방안을 제시하였다. 메신저 사용에 있어서 피싱을 방지하기 위해 사용자의 USB에 저장된 비밀키를 이용하여 로그인시 인증하는 방안과, 사용자의 서명 및 암호화를 통해 메시지 변조 공격에 대응하는 방안을 제시하였다.

      • One-stage Look Ahead 알고리즘을 갖는 ADM의 실현

        崔鳳煥,金仁泰 慶一大學校 1987 論文集 Vol.3 No.1

        An ADM with One-stage Look Ahead Algorithm is implemented and is tested the performance of encoding with speech like signal. The experiments showed that the overshoot of the ADM is much improved than another ADM without the Algorithm. One-stage Look Ahead Algorithm does not require the calculation of two encoding path nor does it require the decision circuitry to choose the optimum path.

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