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Big data tax collection and management, enterprise financialization and enterprise innovation: Quasi-natural test evidence based on the "Golden Tax Phase III".
PLoS One
December 2024
School of Accounting, Lanzhou University of Finance and Economics, Lanzhou, People's Republic of China.
In the era of digital economy, big data tax collection and management has become an important governance tool for digital government. In this study, the quasi-natural test environment provided by the "Golden Tax Phase III" policy launched in 2013 and the method of propensity score matching and differentiation (PSM-DID) were used on combination of the samples of A-share listed enterprises in Shanghai and Shenzhen during 2010-2021 to analyze and demonstrate the impact of this policy on the innovation of the listed enterprises. To ensure the robustness of these findings, various statistical techniques such as parallel trend tests, placebo tests, and the explained variable replacement were employed.
View Article and Find Full Text PDFAn automated platform trial framework for A/B testing.
Contemp Clin Trials Commun
December 2024
Department of Biostatistics and Informatics University of Colorado, United States of America.
This paper proposes a platform trial for conducting A/B tests with multiple arms and interim monitoring to investigate the impact of several factors on the expected sample size and probability of early stopping. We examined the performance of three stopping boundaries: O'Brien Fleming (OBF) stopping for either futility or difference (both), Pocock stopping for futility only, and fixed sample size design. We simulated twelve scenarios of different orders of arms based on various effect sizes, as well as considered 1 or 3 interim looks.
View Article and Find Full Text PDFSingle-cell transcriptome analysis identifies a novel tumor-associated macrophage subtype predicting better prognosis in pancreatic ductal adenocarcinoma.
Front Cell Dev Biol
October 2024
School of Biopharmacy, China Pharmaceutical University, Nanjing, China.
Background: Characterized by an immune-suppressive tumor microenvironment (TME), pancreatic ductal adenocarcinoma (PDAC) is well-known for its poor prognosis. Tumor associated macrophages (TAMs) play a critical role in PDAC TME. An in-depth understanding of TAMs is helpful to develop new strategies for immunotherapy.
View Article and Find Full Text PDFDynamic role of medium- and high-tech industries and environmental policy stringency in environmental sustainability: fresh insights from Dynamic Seemingly Unrelated Regression (DSUR) analysis.
Environ Sci Pollut Res Int
November 2024
Department of Economics, Central University of Haryana, Mahendragarh, India.
Since the last two decades, carbon neutrality has become a primary target of all economies. Governmental environmental policies stand as the most potent tools in the arsenal when it comes to tempering the effects of climate change. Fostering the adoption of green energy sources and embracing energy efficiency principles may assume an essential role in upholding the standard of ecological integrity.
View Article and Find Full Text PDFFe(OH)3/Ti3C2Tx nanocomposites for enhanced ammonia gas sensor at room temperature.
Nanotechnology
October 2024
Henan University of Technology, No. 100 Lianhua Street, Zhengzhou High-Tech Development Zone, Henan, P.R.China (450001), Zhengzhou, 450001, CHINA.
Two-dimensional material (2D material) MXene has great application potential in gas sensors because of its excellent controllable performance and vast specific surface area. In this study, we used a straightforward in-situ electrostatic self-assembly technique to create Fe(OH)3/Ti3C2Tx nanocomposites, which were then used to fabricate gas sensors for ammonia detection at room temperature (25 ℃). Several characterization methods were performed aimed at determining the surface appearance and construction of the nanocomposites, and the sensing characteristics and mechanism were also systematically examined.
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