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한국 지역간 인구이동의 경제적 결정요인 : 1970 - 1991
김성태,장정호 ( Sung Tai Kim,Jeong Ho Jang ) 한국국제경제학회 1997 국제경제연구 Vol.3 No.2
본 논문은 지역간 인구이동에 관한 두 가지 기본적인 분석의 틀인 Todaro模型과 Tiebout模型을 모두 고려하여 분석모형을 설정하고, 1970-91년 기간동안 한국 지역간 인구이동의 경제적 결정요인을 실증적으로 분석하였다. 실증분석 결과 첫째, 지역간 인구이동의 요인 중에서는 민간부문 요인이 공공부문 요인보다 더 큰 比重을 차지하는 것으로 밝혀졌다. 즉 지역간 期待所得의 차이가 공공재 공급수준의 차이보다 人口移動에 1.47배 정도 더 큰 영향을 미치는 것으로 드러났다. 둘째, 지역간 期待所得의 차이가 커지면 지역간 이주확률이 높아진다는 것이 밝혀졌는데, 구체적으로 移住 對象地域의 期待所得이 현거주지 기대소득의 2배라면 이주확률은 0.19%포인트 증가하는 것으로 나타났다. 셋째, 도로나 교육과 같은 公共財 공급수준의 차이가 지역간 인구이동에 영향을 미치는 것으로 밝혀졌다. 넷째, 삶의 쾌적도 역시 지역간 인구이동에 통계적으로 유의한 영향을 미치는 것으로 밝혀졌다. 실증분석 결과가 정부의 인구정책에 시사하는 바는 적절한 인구분산을 위해서는 지역간 불균형과 사회간접자본의 균형적인 확충방안이 강구되어야 한다는 것이다.
석차제도의 비효율성에 대한 경제학적 분석 ( 경제학문헌목록 주제분류 : C7 )
김성태,박주현,한광석,홍종학 ( Sung Tai Kim,Ju Hyun Park,Guang Sug Hahn,Jong Haak Hong ) 한국경제학회 1997 경제학연구 Vol.45 No.3
석차제도는 상대적인 성과에 따라 자원을 배분하는 제도이다. 직급에 따라 결정되는 임금구조가 석차제도의 대표적인 사례이다. 그 외에도 입시제도, 각종 자격시험이나 선발제도 등과 같이 여러 분야에서 석차제도가 사용되고 있다. 본 연구에서는 석차제도하에서 참여자의 전략적 행동과 그에 따라 투하되는 노력수준을 분석하였다. 상금구조에 따라 투하되는 노력수준을 분석하였는바, 균형에서 기대노력 수준이 최하위의 상금에 의해 결정된다는 결과는 주목할 만하다. 추가적으로 단일석차제도와 다단계석차제도를 비교 ·분석하여 투하되는 노력수준에 차이가 없음을 보였다.
중소기업/중견기업/소상공인/지역기업/사례 : 프랜차이즈, 자영업자의 활로인가?: 음식점 업종을 중심으로
김성태 ( Sung Tai Kim ),김명규 ( Myoung Kyu Kim ),임병인 ( Byung In Lim ) 한국중소기업학회 2014 중소기업연구 Vol.36 No.3
Recently, the number of self-employment has increased as the baby boomers who were born in 1955~1963 started to retire increasingly in Korea. The problem is such that the competitiveness of self-employment business does not go along with an increase in the number of businesses. Especially, the entry of a self-employed businessman into a franchise-typed entrepreneurship has increased rapidly. This paper analyzes the problem of self-employed businessmen who participate in franchise business in a restaurant industry in Korea, using the Economic Census data released by the Statistics Korea in 2011. We focus on the success possibility of self-employed businessman who entered the restaurant industry through franchising schemes. We estimated the sales functions and the profit functions for the nine substructural restaurant industries including Korean restaurant, Chinese restaurant, Japanese restaurant, Chicken specialized restaurant, etc. Main findings of our empirical analyses are as follows. First, other things being equal, joining in the franchising makes the sales of business entity increase. On the other hand, the franchise participation, other things being equal, makes the profit of it decrease. Therefore, franchise business may not be a good way out for self-employment business in restaurant industry in Korea.
김성태 ( Sung Tai Kim ) 한국경제학회 2018 한국경제포럼 Vol.10 No.4
This paper suggests the mid-tern and long-term direction of fiscal policy in Korea recognizing that the new Korean government is likely to pursue fiscal policy carelessly in the future. Up to now the Korean government’s fiscal policies have been successful in performing a variety of policy measures to solve the national policy agenda. The Korean government’s fiscal policy has been based on the balanced budget so that she has been able to maintain fiscal healthiness. However, volatile changes in economic and fiscal environment such as rapid aging and low fertility rate, a decrease in potential economic growth rate, and income polarization make the Korean government keep fiscal healthiness. To solve these problems we should consider the future generation as well as current generation in setting up the direction of fiscal policy in the future. The current generation should pursue the structural reform in government expenditure spending and tax reform focusing on tax increase such as Value-Added Tax increase.
김성태 ( Sung Tai Kim ),임병인 ( Byung In Lim ),김명규 ( Myoung Kyu Kim ) 중앙대학교 국가정책연구소 2014 국가정책연구 Vol.28 No.2
Our study estimates the status quo, determinants of sales and profits of the destitute self-employed, meaning that the number of employee is less than five, using the 2011 Economic Census. The analytic results are as follows: first, there are little difference in sales and profits by 16 areas and monthly sales and profit are only 2 million and 0.7 million won, respectively. Second, the proportion of regular employee to total are only 6.5%∼15.2%, on average of 11%, implying an unstability of employment. Third, their labor productivity is lower than the non-destitute self-employed business by 1/3, indicating their small size. Estimation for determinants of sales and profit has the following results: first, the effects of labor input and workplace size on the sales show that there is little difference in area among the small self-employed. Second, franchise helps them to increase the sales but the profits are relatively lower than the non-franchise business. Third, empirical results for both an affiliation to franchise and the degree of the market competition say that the non-franchise self-employed in populous regions has not been almost suffering from a sales more than franchise-affiliated self-employed. In other words, both sales and profits of non-franchise self-employed have a positive relationship with a population size. These findings imply an activation of the commercial venues information system, the governmental intervention to get rid of the unequal treatments of franchise headquarter and improve them, a build-up of social security net for the self-employed, and so on.


Microfluidic Synthesis of Microfibers Based on Regeneration of Cellulose from Ionic Liquids
Sung Tae Kim(김성태),Sung-rheb Cho(조성립),Minyung Song(송민영),Suk Tai Chang(장석태) 한국고분자학회 2015 폴리머 Vol.39 No.4
Rectangular cellulose microfibers were synthesized by regenerating cellulose from an ionic liquid, 1-ethyl-3-methylimidazolium acetate, in a hydrodynamic flow-focusing microfluidic device. This technique is a fast and single-step approach for producing natural polymer microfibers. The dimensions of the cellulose microfibers were readily controlled by a simple variation of the core-sheath flow rate and the viscosity of fluids.