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Publishers : 山口大学医学会 Date Issued : 2021-09-01
Creators : Ishikawa Yoshiko | Ito Misae Publishers : 山口大学医学会 Date Issued : 2021-09-01
Creators : Ikeda Yasuhiro | Muroya Satomi | Satou Kazutaka | Inoue Goichi | Koike Kunihiko | Maekawa Tsuyoshi Publishers : 山口大学医学会 Date Issued : 2021-09-01
Creators : Tanaka Aiko | Nagata Chizuru | Goth Miyuki Publishers : 山口大学医学会 Date Issued : 2021-09-01
We performed this study to investigate whether serum cell-free DNA testing(liquid biopsy)of either methylated SEPT9 or methylated SST, which are possible biomarkers of HCC, in combination with AFP may improve clinical performance for the detection of HCC. Study subjects included 25 healthy controls, 15 patients with chronic liver disease without HCC, and 38 patients with HCC. Methylation level of serum cell-free SEPT9 and SST was measured by methylation-sensitive restriction enzymes followed by multiplex droplet digital polymerase chain reaction. According to receiver operating characteristic curve analysis to discriminate between non-HCC group(including control group and chronic liver disease without HCC group)and HCC group, area under the curve(AUC)was 0.73 by AFP and 0.73 by mSEPT9, whereas it was only 0.59 by mSST. Regarding combination tests, although negative predictive values were almost same between the AFP + mSEPT9 test and the AFP + mSST test(75.0% vs 72.2%),a positive predictive value of AFP + mSEPT9 test was higher than that of the AFP + mSST test(79.4% vs. 66.7%).In conclusions, methylated SEPT9 was a better companion marker of AFP for HCC screening than methylated SST.
Creators : Yamasaki Ayano | Suehiro Yutaka | Hoshida Tomomi | Saeki Issei | Yamauchi Kotoh Yurika | Matsumoto Toshihiko | Takami Taro | Sakaida Isao | Yamasaki Takahiro Publishers : 山口大学医学会 Date Issued : 2021-09-01
城下賢吾教授略歴・著作目録
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
A study on China's employment law for persons with disabilities : focusing on comparison with Japanese law(note)
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Arimura Sadanori Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Creators : Yoshikawa Nobumasa Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Performance of politically connected banks during the COVID-19 pandemic in Indonesia
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
This research aims to examine the relationship between political connections and bank performance during the COVID-19 pandemic in Indonesia, with data sample comprising banks listed on the Indonesia Stock Exchange (IDX). The study employed a panel data linear regression and found an insignificant positive influence of political connections on banks' profitability. However, the result also indicates marginally lower profitability in politically connected banks compared to non-connected peers, and the event-study methodology reveals the tendency for affiliated banks to obtain substantial negative abnormal returns during the pandemic. Therefore, there is a negative effect of COVID-19 on stock performance of politically connected banks.
Creators : Budi Wahyono Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Market timing to issue equity : a survey of empirical analysis
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
マーケット・タイミング理論が提唱されて以降,それを巡った実証研究が数多く行われている。しかしながら,実証研究のほとんどは欧米企業を対象として行われ,日本ではその理論がまだ注目されていない。本稿はマーケット・タイミング理論に基づき,株式発行におけるマーケット・タイミング行動に注目し,それに関する実証研究をサーベイする。主な結果は以下の2点である。まず日本企業ではマーケット・タイミング行動の実証的証拠が多いが,マーケット・タイミング行動と資本構成の関係についての実証研究はまだ少ない点である。また,マーケット・タイミング行動の資本構成への影響について,先行研究の結果が分かれており,そして異なる特性を持つ企業では影響効果も異なっている点である。このサーベイを通して,この研究分野の現状と動向を示し,さらなる発展に寄与することを目指す。
Creators : Chen Liqian Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
What do managers of IPO firms tell investors : evidence from IPO online roadshow in chinese stock market
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Retail investors, who are the majority traders in the Chinese stock market, cannot participate in off-line roadshows of IPO firms. Online roadshows are an important channel for them to learn about the situation of IPO firms. This study takes the IPO firms which are new-listed in Shenzhen Stock Exchange from 2010 to 2018 as the research subject, investigates the relationship between question-answers relevance in online roadshows and the first-day performance of IPO firms. According to the results, a high-level of question-answers relevance leads to a high first-day return and high liquidity. Furthermore, the additional analysis shows that the IPO firms with a high-level of question-answers relevance show stable long-term stock returns, on the contrary, the IPO firms with a low-level of question-answers relevance show the trends to decrease. Online roadshows could mitigate the information asymmetry between the investors and IPO firms, and play an important role in assessing firm values.
Creators : Sun Naili | Du Saijuan Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Über gedanke zu rechtlichen gründen für die straflosigkeit der euthanasie
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Asato Zensho Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
The urban employee basic medical insurance of China : focusing on the ideal way of save account
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Yuan Lihui Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Policy analysis of energy transition in Taiwan : economic assessment by the E3ME-FTT model
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
As climate change and various environmental pollution issues are becoming more serious, many countries are actively promoting energy transition. The Paris Agreement, adopted in 2015, is aimed at curbing the rise in global average temperatures to within 2℃ above pre-industrial levels and limiting temperature rises to 1.5℃ above pre-industrial levels. Taiwan is accelerating its path of energy transition to a "nuclear-free homeland" and “low-carbon economy” by phasing out all nuclear power generation in 2025 and imposing a legally binding goal of reducing coal-fired power generation from 47 percent to 26 percent. This paper investigates the impact of nuclear and coal power regulations on fuel mix CO2 emissions in the power sector by 2050 in Taiwan. Analysis is a future technology shift in the power sector called “Future Technology Transformations; FTT” for the power sector; Consider using the E3ME model linked to FTT: Power sub-model.
Creators : Chen Li-chun Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Accidental bequest motive and public transfer policy for the young based on Hidaka (1990)
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Nakama Mizuki Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
An alternative macroeconomic model
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
The purpose of this paper is to present an alternative macroeconomic model. The classical macroeconomic model and AD-AS model have some problems. The macroeconomic model presented in this paper solves them and is more realistic and logically consistent than the other models.
Creators : Umada Tetsuji Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Die menschenwürde als rechtsgut?
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Sakuraba Osamu Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
The reconstruction plan of the home front : concerning yamate national road after the great hanshin flood
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Kodama Shuhei Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Optimal incentive contracts under incomplete information about Effort-Outcome relationship
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
本稿では, 行動と成果の確率的関係について不確実性があるプリンシパルーエージェント関係を考え, 最適契約を特徴付ける.
Creators : Kawamura Kazuma Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
Review of revenue standards in IFRS17, insurance contracts
Yamaguchi journal of economics, business administrations & laws Volume 69 Issue 6
Creators : Yamashita Satoshi Publishers : The economic society of Yamaguchi University Date Issued : 2021-03-31
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