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A Further Analysis on the Welfare Effects of Illegal Immigration
Hiraiwa, Eriko,Tawada, Makoto 세종대학교 국제경제연구소 2003 Journal of Economic Integration Vol.18 No.2
This paper re-examines Yoshida's analysis (1993 and 1996) and draws further aspects of economic welfare within Bond and Chen's framework (1987). We show that an increase in fine that a firm pays could be a better policy than an intensification of internal inspection enforcement from a welfare point of view. We also show that, in the case where capital is internationally mobile, if technologies are different between countries and labor-capital intensity is larger in the home country than in the foreign, the impact of an increase in enforcement on the factor prices is opposite to that of Bond and Chen (1987). We also enlarge the welfare effect of an increase in enforcement more precisely in the case of capital movement.
平岩俊司 ( Hiraiwa Shunji ) 동국대학교 북한학연구소(구 동국대학교 안보연구소) 2005 북한학연구 Vol.1 No.1
한반도에 인접한 일본에 있어서 「한반도의 평화와 안전성」은 대단히 중요하다. 그러나 일본은 여전히 북한과의 국교를 수립하고 있지 않다. 그러므로 일·북간에는 여러 가지 문제가 발생한다. 따라서 기본적으로 일본은 북한과의 국교를 정상화할 필요가 있다. 그렇지만 동서냉전을 전제로 해서 더불어 한국과 북한이 대립하고 있던 시기에 국제환경하, 일본이 북한과의 국교를 수립하는 것은 사실상 불가능했다고 볼 수 있다. 그렇지만 냉전종결에 의해서 그러한 국제 환경은 크게 변화를 이루었고, 한국과 북한은 이미 서로 UN가맹국이 되고, 일본이 북한과의 관계를 정상화 할 수 있는 가능성이 생겼다. 본고에서는 일조국교정상화의 전후를 전망하기 위해 우선 일본에 있어서 북한과의 국교정상화는 어떤 의미를 가지는지 명확하게 하고, 그 다음 국교정상화교섭의 구조를 분석하고, 그것을 전제로 해서 2002년 고이즈미 총리의 방북 이후에 일조 관계에 대해서 알아보겠다. The peace and stability of the Korean Peninsula are very important thing under the standpoint of Japan. However, Japan did not establish diplomatic relations with North Korea yet. Therefor, Both countries require to set up the normalization of diplomatic relations, because a great deal of problems are happening between North Korea and Japan. At the period of opposing two nations based on the Cold War, under the international circumstances, the establishment of national friendship between two countries was not possible. Nevertheless, the international circumstances caused by the termination of the Cold War was changed considerably, and North Korea and South Korea had become the member nations of UN. In view of these, North Korea and Japan have greatly the possibility to normalize diplomatic relations. This study analyzed the meaning of the normalization of diplomatic relations which Japan intends. Also, the study examined the constitution of the normalization of diplomatic relations and penetrated the relations between North Korea and Japan after the state visit of koizumi junichiro to North Korea in 2002.
A Further Analysis on the Welfare Effects of Illegal Immigration
( Eriko Hiraiwa ),( Makoto Tawada ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2003 Journal of Economic Integration Vol.18 No.2
This paper re-examines Yoshida`s analysis (1993 and 1996) and draws further aspects of economic welfare within Bond and Chen`s framework (1987). We show that an increase in fine that a firm pays could be a better policy than an intensification of internal inspection enforcement from a welfare point of view. We also show that, in the case where capital is internationally mobile, if technologies are different between countries and labor-capital intensity is larger in the home country than in the foreign, the impact of an increase in enforcement on the factor prices is opposite to that of Bond and Chen (1987). We also enlarge the welfare effect of an increase in enforcement more precisely in the case of capital movement.
Foreign Workers and Remittances in Japan After the Global Financial Crisis
( Eriko Hiraiwa ) 한국국제경제학회 2013 한국국제경제학회 학술대회발표 논문집 Vol.2013 No.4
The global financial crisis and resultant recession in 2008 affected the foreign workers in Japan; especially Japanese descent Brazilians have suffered. The magnitude of the impact on them was so big that issues have been raised whether Japanese policies and schemes on foreign workers could work appropriately. This paper aims to reexamine what have happened to the foreign residents and workers in Japan especially focusing regions characterized by the accumulation of workers such as Japanese descent Brazilians. Then we look into their remittances to Brazil using primary data to explore the impact of economic recession on foreign workers from an international perspective. We suggest that the foreign residents are polarized in two groups; one is the group of those who were forced to return to their home countries because of unemployment and the other would be the group of those who continue to obtain full-time jobs due to their skills and abilities of adjusting themselves to the Japanese society. This issue needs further investigation.
平岩俊司 동국대학교 북한학연구소 2005 북한학연구 Vol.1 No.1
한반도에 인접한 일본에 있어서 "한반도의 평화와 안정성"은 대단히 중요하다. 그러나 일본은 여전히 북한과의 국교를 수립하고 있지 않다. 그러므로 일∙북간에는 여러 가지 문제가 발생한다. 따라서 기본적으로 일본은 북한과의 국교를 정상화할 필요가 있다. 그렇지만 동서냉전을 전제로 해서 더불어 한국과 북한이 대립하고 있던 시기에 국제환경하, 일본이 북한과의 국교를 수립하는 것은 사실상 불가능했다고 볼 수 있다. 그렇지만 냉전종결에 의해서 그러한 국제환경은 크게 변화를 이루었고, 한국과 북한은 이미 서로 UN가맹국이 되고, 일본이 북한과의 관계를 정상화 할 수 있는 가능성이 생겼다. 본고에서는 일조국교정상화의 전후를 전망하기 위해 우선 일본에 있어서 북한과의 국교정상화는 어떤 의미를 가지는지 명확하게 하고, 그 다음 국교정상화교섭의 구조를 분석하고, 그것을 전제로 해서 2002년 고이즈미 총리의 방북 이후에 일조 관계에 대해서 알아보겠다. The peace and stability of the Korean Peninsula are very important thing under the standpoint of Japan. However, Japan did not establish diplomatic relations with North Korea yet. Therefor, Both countries require to set up the normalization of diplomatic relations, because a great deal of problems are happening between North Korea and Japan. At the period of opposing two nations based on the Cold War, under the international circumstances, the establishment of national friendship between two countries was now possible. Nevertheless, the international circumstances caused by the termination of the Cold War was changed considerably, and North Korea and South Korea had become the member nations of UN. In view of these, North Korea and Japan have greatly the possibility to normalize diplomatic relations. This study analyzed the meaning of the normalization of diplomatic relations which Japan intends. Also, the study examined the constitution of the normalization of diplomatic relations and penetrated the relations between North Korea and Japan after the state visit of koizumi junichiro to North Korea in 2002.
( Hiroyuki Yazawa ),( Tsuyoshi Hiraiwa ),( Fumihiro Ito ),( Keiya Fujimori ) 대한산부인과학회 2017 Obstetrics & Gynecology Science Vol.60 No.6
We describe an extremely rare case of advanced pure primary ovarian squamous cell carcinoma (SCC), treated by adjuvant chemotherapy with dose-dense paclitaxel combined with carboplatin (dd-TC) plus the combination chemotherapy with irinotecan and cisplatin (CPT-P), with long-term recurrence-free survival. A 71-year-old woman complaining of lower abdominal pain was referred to our hospital and a 7-cm-diameter solid tumor was identified. She was diagnosed with a left ovarian tumor that was highly suspicious for malignancy based on ultrasonography, magnetic resonance imaging, and contrast-enhanced computed tomography. Bilateral salpingo-oophorectomy, low-anterior colon resection, and colostomy were performed. Intra- and post-operative histopathological diagnosis revealed International Federation of Gynecology and Obstetrics stage IIIc well-differentiated pure ovarian SCC. As adjuvant chemotherapy, 2 courses of dd-TC were administered, followed by 3 courses of CPT-P; the patient then underwent 4 additional courses of dd-TC. Both regimens were effective and there has been no recurrence or metastasis thus far in the 5 years since the operation.
Radial variation of bending property in plantation grown Acacia auriculiformis in Bangladesh
Md. Qumruzzaman Chowdhury,Nobuo Yoshizawa,Futoshi Ishiguri,Tokiko Hiraiwa,Yuya Takashima,Kazuya Iizuka,Shinso Yokota 한국산림과학회 2012 Forest Science And Technology Vol.8 No.3
Acacia auriculiformis is one of the major fast-growing plantation species in Bangladesh. Understanding the radial variation of bending property has importance in tree improvement and wood utilization. In this study, the radial variation of modulus of elasticity (MOE) and modulus of rupture (MOR) in static bending were examined in 11-year-old plantation-grown Acacia auriculiformis from Bangladesh. MOE and MOR increased up to about 6 and 8 cm radial distance from the pith, respectively, and then both properties were nearly stable toward the bark. MOE did not show significant correlation with air-dried density. Conversely, MOR showed significant correlation with airdried density. Significant variation among the trees indicates that the air-dried density and MOR could be used in plus tree selection for wood quality improvement of this species through tree breeding.