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Collective Bargaining and the Neutrality of Profit Taxes
Suchan Chae(채수찬) ‧,Peter Mieszkowski 한국재정학회(구 한국재정·공공경제학회) 2009 재정학연구 Vol.2 No.1
본 논문에서는 노동자의 보수가 단체 협약에 의해서 결정될 때 이윤세가 중립적인지를 표준적인 협상 모델을 써서 살펴본다. 이윤세가 중립적이 되는 충분조건을 제시한다. 또한 반례를 들어 이 조건들이 성립하지 않을 때에는 이윤세가 중립적이지 않을 수 있다는 것을 보인다. 본 논문은 단체 협약이 많이 쓰이는 나라들에서 그렇지 않은 나라들보다 이윤세의 경제에 대한 영향이 더 클 것이라고 주장한다. Using a standard bargaining model, we investigate if profit taxes are neutral when workers’compensation is determined by collective bargaining. We provide sufficient conditions under which profit taxes are neutral. We also show by counterexamples that the violation of these conditions can lead to non-neutrality of profit taxes. We argue that the impact of profit taxes on the economy will be greater in countries where collective bargaining is prevalent than in countries where the coverage of collective bargaining is low.
The New Product Choice of an Innovating Country
Suchan Chae,Gordon W. Smith 서울대학교 경제연구소 1993 Seoul journal of economics Vol.6 No.2
We analyze a North-South product-cycle model where the innovating North can choose both the rate of product innovation and the allocation of new products between two multi-commodity sectors, one in which it has a comparative advantage and the other in Which the South has a comparative advantage. The relative wage of the North is an increasing function of its penetration in the Southern sector. If the degree of comparative advantage is below a critical point, the North maximizes its welfare by invading the Southern sector, resulting in global inefficiency. However, with a licensing agreement, Pareto improvement can be made through bargaining between the two countries.
( Suchan Jang ),( Chae Ha Yang ),( Hee Young Kim ) 한국감성과학회 2015 추계학술대회 Vol.2015 No.-
Background: Administration of cocaine increases locomotor activity by enhancing dopamine transmission. To explore the peripheral afferent mechanisms underlying acupuncture treatment for drug addiction, we developed a novel mechanical acupuncture instrument (MAI) for objective mechanical stimulation. The aim of this study was to evaluate whether the acupuncture-induced inhibition of cocaine-induced locomotor activity is mediated through specific peripheral nerves, the afferents from superficial or deep tissues, specific groups of nerve fibers, or specific spinal ascending pathways. Methods and Results: Mechanical stimulation of acupuncture point HT7 with MAI suppressed cocaine-induced locomotor activity in a stimulus- and time-dependent manner, which was blocked by severing the ulnar nerve or by local anesthesia. Suppression of cocaine-induced locomotor activity was elicited after HT7 stimulation at frequencies of either 50 or 200 Hz and was neither affected by block of C-fibers in the ulnar nerve with the specific C-fiber neurotoxin resiniferatoxin nor generated by direct stimulation of C-fiber afferents with capsaicin. HT7 acupuncture suppressed cocaine-induced locomotor activity, which was blocked by lesion of cuneate nucleus or dorsal column, but not by surgical transaction of STT pathway, indicating requirement of DC pathways in traveling acupuncture signals. Additionally, HT7 inhibition of cocaine-induced hyperactivity was also prevented by chemical lesion of VPL, secondary neurons in DC pathway. Conclusions: These findings suggest that HT7 inhibition of cocaine-induced locomotor activity is mediated by A-fiber activation of ulnar nerve originating from superficial and deep tissue and the acupuncture signals from peripheral sites are transmitted via spinal dorsal column pathway. Acknowledgement: This work was supported by grants 2014R1A2A1A11053104 and 20120009400 from the National Research Foundation of Korea and Korea Institute of Oriental Medicine (K15070).
Diagnostic Market without and with Health Insurance
( Suchan Chae ) 한국산업조직학회 2016 한국산업조직학회 정책세미나 논문집 Vol.2016 No.1
We study information problem for a diagnostic market. A patient or insurance system does not know the patient``s level of health problem but a diagnostic doctor knows it. In a setting where treatment and diagnostic are separated, we investigtae how the relationship between optimal treatment and health problem level is aected by the information problem.
An N-Person Bargaining Process with Alternating Demands
Suchan Chae,Jeong-Ae Yang 서울대학교 경제연구소 1990 Seoul journal of economics Vol.3 No.3
We analyze an n-person bargaining game where players alternatingly demand their shares of a pie, and show that the set of perfect equilibria is a singleton if the common discount factor is below a certain cirtical level, and a continuum otherwise.
Group Bargaining with Representation
Suchan Chae 서울대학교 경제연구소 2009 Seoul journal of economics Vol.22 No.2
We study a strategic bargaining model where two groups of individuals first choose their representatives, who then bargain with each other using a standard alternating-offer protocol, and then the shares of the members of a group are determined by a similar n-person bargaining process within the group. We show that there exists a unique perfect equilibrium outcome of this three-stage game when the breakdown probabilities of both the inter-group bargaining and intra-group bargaining are small. In equilibrium, each group selects as its representative an individual who has the greatest marginal gain from increasing the group's share.
홍수찬 ( Suchan Hong ),송하윤 ( Ha Yoon Song ) 한국정보처리학회 2019 한국정보처리학회 학술대회논문집 Vol.26 No.1
사람은 한 장소를 방문할 때 순환 패턴이 있으며, 이 패턴에 여러 싸이클의 경향이 있다. 요즘은 스마트폰 및 기타 휴대용 장치로 개인 이동성 데이터를 수집하는 것이 가능하다. 이러한 장치는 다양한 위치 데이터를 수집하고 여러가지 방법으로 분석할 수 있게 해준다. 위치 수집기를 기반으로 지구 위치 데이터에서 추출된 사람의 이동성 모델을 수립하고, 위치 클러스터를 방문자의 순환 패턴을 조사할 수 있다. 수년 동안 수집된 개인의 이동성 모델을 토대로 클러스터 재방문 시간을 계산 후 분석하여 그래프로 시각화하였다. 시간 순서의 위치 클러스터와 방문 클러스터에 대한 위치 데이터는 1 분 단위로 측정된다. 전체 데이터 방문 횟수는 15 분마다 정규화하고, 자원 봉사자의 다양한 지리적 위치 데이터 셋에 대해 방문의 순환 패턴은 자기 상관, 자기 공분산 및 재방문 시간으로 살펴볼 수 있다.