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2023

Новости за 16.10.2023

Common institutional investors and the quality of management earnings forecasts—Empirical and machine learning evidences

Plos.org 

by Shanshan Yang, Xiaohan Li, Zhenhua Jiang, Man Xiao

Based on the data of the Chinese A-share listed firms in China Shanghai and Shenzhen Stock Exchange from 2014 to 2021, this article explores the relationship between common institutional investors and the quality of management earnings forecasts. The study used the multiple linear regression model and empirically found that common institutional investors positively impact the precision of earnings forecasts. This article also uses graph... Читать дальше...

Which news topics drive economic prosperity in China?

Plos.org 

by Wanbo Lu, Yifu Wang, Xingjian Zhang

Precise and real-time measurements of economic prosperity are vital to a country’s economic system. This study aims to identify news topics that promoted economic prosperity in China from 2011–2021. By extracting economic topics from news text data, we construct a news coincidence index with comprehensive information and strong timeliness and reveal the trend of topic contribution. The Latent Dirichlet Allocation (LDA) topic model is applied to extract economic topics from the news. Читать дальше...

Joint duration-cost-quality optimization model for complex product supply chains under contingency conditions

Plos.org 

by Yunzhe Li, Peng Dong, Weimin Ye

The Graphical Evaluation and Review Technique (GERT) and complex networks are used to simulate and analyse complex product supply chain networks based on the characteristics of complex product supply chain networks. And the traditional GERT is improved by constructing a grey parametric GERT network with restricted output results, taking into account the fact that the duration, product quality and product cost of each supplier in a complex product supply... Читать дальше...

American literature news narration based on computer web technology

Plos.org 

by Juan Liu, Sha Mi

Driven by internet technology, online has become the main way of news dissemination, but redundant information such as navigation bars and advertisements affects people’s access to news content. The research aims to enable users to obtain pure news content from redundant web information. Firstly, based on the narrative characteristics of literary news, the Term Frequency-Inverse Document Frequency (TF-IDF) algorithm is employed to extract pure news content from the analyzed web pages. Читать дальше...



A dual-channel secondary closed-loop supply chain considering retail groups and fairness concerns

Plos.org 

by Yue Tan, Chunxiang Guo

The rise of retail groups has strengthened their voice in the supply chain, drawing more attention from supply chain members to the issue of profit fairness. To explore the influence of fairness concerns on operational decisions in closed-loop supply chains after the formation of retail groups. In this paper, we first construct a secondary dual-channel closed-loop supply chain led by a retail group and followed by a manufacturer. Next, the corresponding game models are constructed under three scenarios... Читать дальше...

Digital transformation and total factor productivity: Empirical evidence from China

Plos.org 

by Zhonghao Lei, Dongmei Wang

Digital transformation plays a crucial role in improving the quality development of companies in this era of digital economy with ever-changing technologies. This paper empirically investigates the impact of corporate digital transformation on total factor productivity and the mechanism of action, using A-share listed companies in Shanghai and Shenzhen from 2011–2021 as the research sample, and found that the digital transformation of companies significantly improves total factor productivity... Читать дальше...

Bioinformatic analysis identified novel candidate genes with the potentials for diagnostic blood testing of primary biliary cholangitis

Plos.org 

by Hoang Nam Pham, Linh Pham, Keisaku Sato

Primary biliary cholangitis (PBC) is an autoimmune disorder characterized by intrahepatic bile duct destruction and cholestatic liver injury. Diagnosis of PBC is generally based on the existence of anti-mitochondrial antibody (AMA) in blood samples; however, some PBC patients are negative for serum AMA tests, and invasive liver histological testing is required in rare PBC cases. The current study seeks novel candidate genes that are associated with... Читать дальше...

The impact mechanism of China’s green finance on the transformation and innovation of high-energy-consumption enterprises

Plos.org 

by Weimin Xiang, Yeqiang Lan, Qiao Qi, Lei Gan

The development of green finance and the promotion of green transformation and upgrading of high energy-consuming enterprises are of great significance for China to achieve the "double carbon" goal. This paper employs a dual fixed-effects model to examine the profound ramifications and intrinsic mechanisms of green finance development on the transformative innovation of high-energy-consumption enterprises, using a sample of 462 publicly traded... Читать дальше...

On the effectiveness of a contrastive cascade graph learning framework: The power of synthetic cascade data

Plos.org 

by Daiki Suzuki, Sho Tsugawa, Keiichiro Tsukamoto, Shintaro Igari

Analyzing the dynamics of information diffusion cascades and accurately predicting their behavior holds significant importance in various applications. In this paper, we concentrate specifically on a recently introduced contrastive cascade graph learning framework, for the task of predicting cascade popularity. This framework follows a pre-training and fine-tuning paradigm to address cascade prediction tasks. In a previous study... Читать дальше...





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