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A Research Review of International Carbon Tax and the Comparative Analysis of International Carbon Tax Schemes
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作者 Yuxue Li 《Proceedings of Business and Economic Studies》 2025年第4期455-465,共11页
International carbon tax issues such as carbon leakage and carbon neutralization have become major topics of social concern.Based on the practical experience of carbon tax system in individual countries,this paper int... International carbon tax issues such as carbon leakage and carbon neutralization have become major topics of social concern.Based on the practical experience of carbon tax system in individual countries,this paper integrates the existing research of international carbon tax scholars to the classification and comparative analysis of international carbon tax schemes.Using a literature review approach,this dissertation mainly applies the method of qualitative analysis to explain and compare the contents of four international carbon tax options.Through the analysis and evaluation of individual countries’carbon tax practice,the two-country model is verified.Through the method of comparative analysis,the schemes are evaluated from four dimensions and an assessment is made.The difference of carbon tax among countries makes the internal policies of countries adjust accordingly with the changes of international environment,which promotes the gradual convergence of carbon tax schemes.The results intend to provide reference to further study the issue on international carbon tax. 展开更多
关键词 Carbon tax International carbon tax schemes Border-tax adjustment
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Research on Tax Planning and Risk Prevention Paths for Multinational Enterprises under the Stricter International Tax Policy Environment
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作者 Jinge Zhang 《Proceedings of Business and Economic Studies》 2025年第5期110-118,共9页
As global economic integration accelerates,countries are strengthening tax transparency and information exchange.Policies such as the OECD’s BEPS Action Plan,digital services taxes,and a global minimum effective tax ... As global economic integration accelerates,countries are strengthening tax transparency and information exchange.Policies such as the OECD’s BEPS Action Plan,digital services taxes,and a global minimum effective tax rate have been introduced,posing increasingly severe compliance and risk challenges for multinational enterprises.Building on an analysis of the evolution and trends of international tax policy,this paper combines literature review with case study analysis to examine how multinational firms can,on a compliant basis,leverage legislative and policy tools,optimize organizational structures,and arrange transfer pricing to achieve effective tax planning.We then propose an internal control framework encompassing tax risk identification,early warning,and monitoring.Our findings indicate that by dynamically adjusting group structures,judiciously applying double non‐taxation treaties,and deploying digital monitoring systems,enterprises can significantly improve planning efficiency while reducing noncompliance costs.Finally,we offer recommendations for enhancing internal governance,strengthening cross‐border coordination,and responding to policy changes,providing both theoretical guidance and practical reference for the stable development of multinational enterprises. 展开更多
关键词 International tax policy OECD BEPS Multinational enterprises tax planning Risk prevention
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Higher Carbon Tax Rates More Effective in Reducing Emissions in G20 Countries?
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作者 Heru Wahyudi Sandra Mei Leny 《Journal of Environmental & Earth Sciences》 2025年第1期353-362,共10页
This study investigates the impact of carbon tax policies on carbon emission reductions in G20 countries to support the achievement of the Net Zero Emissions target by 2060.As the G20 collectively accounts for a signi... This study investigates the impact of carbon tax policies on carbon emission reductions in G20 countries to support the achievement of the Net Zero Emissions target by 2060.As the G20 collectively accounts for a significant share of global greenhouse gas emissions,effective policy interventions in these nations are pivotal to addressing the climate crisis.The research employs the Pearson correlation test to quantify the statistical relationship between carbon tax rates and emission levels,alongside a content analysis of sustainability reports from G20 countries to evaluate policy implementation and outcomes.The results reveal a moderate yet statistically significant negative correlation(r=-0.30,p<0.05),indicating that higher carbon taxes are associated with lower emission levels.Content analysis further demonstrates that countries with high and consistently enforced carbon taxes,such as Japan and South Korea,achieve more substantial emissions reductions compared to nations with lower tax rates or inconsistent policy implementation.The findings emphasize that while carbon taxes serve as an effective instrument to internalize the social costs of carbon pollution,their impact is maximized when integrated with broader strategies,including investments in renewable energy,advancements in energy efficiency,and technological innovation.This research contributes to the understanding of carbon tax effectiveness and offers policy recommendations to strengthen fiscal measures as part of comprehensive climate action strategies toward achieving global sustainability targets. 展开更多
关键词 Carbon tax Pigouvian tax Carbon Emissions Net Zero Emissions 2060 G20 Pearson Correlation Test
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Understanding Corporate Tax Avoidance:A Review of Internal and External Influencing Factors
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作者 Johan Adhitakarya Yudha +1 位作者 Iskandar Muda Erlina 《Journal of Modern Accounting and Auditing》 2025年第3期209-217,共9页
This study aims to systematically review the various factors influencing corporate tax avoidance.Tax avoidance refers to legal strategies used to minimize tax liabilities and has become a critical issue in accounting ... This study aims to systematically review the various factors influencing corporate tax avoidance.Tax avoidance refers to legal strategies used to minimize tax liabilities and has become a critical issue in accounting and corporate governance.The study examines key determinants of tax avoidance,including firm characteristics(such as size,leverage,and multinational scale),managerial attributes,executive compensation,ownership structure,corporate social responsibility(CSR)performance,as well as the impact of regulations and legal reforms.The review findings highlight that the motivations behind tax avoidance are multifaceted,driven by the interaction of economic incentives,organizational ethics,external pressures,and public policies.Moreover,strict regulatory environments and strong CSR practices can mitigate tax avoidance behaviors,although their effectiveness is often contingent upon a firm’s cultural and political context.This study offers a comprehensive mapping of the current literature and recommends future research that integrates additional variables and broader time spans to enhance the understanding of tax avoidance behavior across different national contexts. 展开更多
关键词 tax avoidance determinant tax avoidance MOTIVATION
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Discussion on Important Problems of Corporate Income Tax Accounting Treatment
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作者 Dan Luo 《Proceedings of Business and Economic Studies》 2025年第2期228-235,共8页
With the rapid development of the Chinese market economy system,income tax as an economic lever has become more and more prominent in regulating the economy.Since the beginning of the accounting reform,the Ministry of... With the rapid development of the Chinese market economy system,income tax as an economic lever has become more and more prominent in regulating the economy.Since the beginning of the accounting reform,the Ministry of Finance has promulgated the accounting standards for income tax and put forward the corresponding procedures and methods,which is a leap forward in the development process of domestic income tax accounting.The relationship between income tax and accounting,the nature of income tax,and the basic characteristics and the apportionment of income tax accounting are expounded in this paper.Payable tax with impact accounting regulations,deferred with debt regulations,and balance sheet debt with income statement debt regulations are compared given the existing problems in the accounting treatment of domestic income tax,and the choice of applicable treatment methods are discussed.Finally,the accounting treatment of important income tax such as consolidated accounting statements,construction enterprises,tax losses,and discount of income tax liabilities are analyzed,and the treatment methods and corresponding countermeasures are put forward to improve the domestic income tax accounting problems. 展开更多
关键词 Corporate income tax Income tax accounting TREATMENTS
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松材线虫TAX家族基因结构与表达模式分析
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作者 姬党成 于慧智 +4 位作者 俸宏幸 熊忠平 马玲 郝昕 陈洁 《昆虫学报》 北大核心 2025年第9期1203-1211,共9页
【目的】本研究旨在通过对松材线虫Bursaphelenchus xylophilus TAX家族成员的理化性质、结构和功能及药物和低温胁迫后的TAX家族基因Bx-taxs表达情况进行分析,探究松材线虫化学趋性和温度趋性。【方法】基于NCBI数据库调取秀丽隐杆线虫... 【目的】本研究旨在通过对松材线虫Bursaphelenchus xylophilus TAX家族成员的理化性质、结构和功能及药物和低温胁迫后的TAX家族基因Bx-taxs表达情况进行分析,探究松材线虫化学趋性和温度趋性。【方法】基于NCBI数据库调取秀丽隐杆线虫Caenorhabditis elegans的TAX家族基因序列与松材线虫基因组进行tBlastn比对搜索,调取松材线虫TAX家族候选基因。通过ExPASy,WoLF PSORT,SOPMA,Alphafold 3,MEME,CD-Search和TBtools等软件和在线工具对候选序列进行筛选和清洗,鉴定松材线虫Bx-taxs并分析基因结构和染色体定位及其蛋白的亚细胞定位、序列特征、理化性质、二级结构和三级结构。利用IQtree构建TAX家族蛋白序列系统发育树推断亲缘进化关系。对松材线虫在甲维盐药物胁迫和低温胁迫下6个Bx-tax的表达谱进行分析,确定TAX家族成员在响应外界胁迫中的作用。【结果】共鉴定出6个松材线虫TAX家族成员Bx-TAX-1-6,这些蛋白长度为623-1115个氨基酸残基,相对分子质量为71.49-129.27 kD,理论等电点在5.68-9.04之间,多数为亲水性蛋白。6个TAX家族成员均位于细胞膜上,特别地是Bx-TAX-1还分布于细胞质中。TAX家族蛋白的二级结构以α-螺旋与无规则卷曲为主要组成部分,占比分别为42.10%-53.07%与32.38%-45.80%。染色体定位和系统发育分析表明,松材线虫TAX家族基因共分布于4个染色体上,其中除了Bx-TAX-1基因单独为一个分支,其他TAX基因与线虫的TAX-4基因更为接近。在甲维盐胁迫下,12 h内松材线虫TAX家族成员基因均出现了不同程度的表达下调的现象,在24 h时均出现了不同程度的表达上调的现象,其中Bx-tax-3,Bx-tax-5和Bx-tax-6的表达量上调或下调均超过1倍,在低温胁迫下,仅有Bx-tax-5上调,其他基因均为下调。【结论】松材线虫TAX家族基因对甲维盐和低温胁迫表现出不同程度的响应。本研究结果为基于TAX家族开展的化学和温度趋性研究提供了理论依据,为研究松材线虫响应药剂胁迫和北迁机制提供基础。 展开更多
关键词 松材线虫 tax基因 基因家族分析 基因表达 基因功能
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心力衰竭患者血清TAX1BP1、ETS2水平与心室重构的关系及对不良预后的预测效能研究
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作者 李耀 韩素霞 +2 位作者 吴晶晶 张康建 高苏莉 《疑难病杂志》 2025年第6期667-672,共6页
目的探讨心力衰竭(HF)患者血清TAX1结合蛋白1(TAX1BP1)、E26转化特异性因子2(ETS2)水平与心室重构(VR)的关系及对不良预后的预测效能。方法选取2021年1月—2023年7月上海市浦东新区人民医院心血管内科收治的HF患者165例为HF组,另选取同... 目的探讨心力衰竭(HF)患者血清TAX1结合蛋白1(TAX1BP1)、E26转化特异性因子2(ETS2)水平与心室重构(VR)的关系及对不良预后的预测效能。方法选取2021年1月—2023年7月上海市浦东新区人民医院心血管内科收治的HF患者165例为HF组,另选取同期医院体检健康者85例为健康对照组。根据1年预后将HF患者分为不良预后亚组(53例)和良好预后亚组(112例)。超声心动图测量VR指标[左心室后壁厚度(LVPWT)、左心室舒张末期内径(LVEDD)、舒张末期室间隔厚度(IVST)、左心室心肌质量指数(LVMI)],酶联免疫吸附法检测血清TAX1BP1、ETS2水平;通过Pearson相关分析HF患者血清TAX1BP1、ETS2水平与VR指标的相关性;多因素非条件Logistic回归分析和ROC曲线分析血清TAX1BP1、ETS2水平与HF患者预后的关系及预测效能。结果与健康对照组比较,HF组LVPWT、LVEDD、IVST、LVMI和血清TAX1BP1、ETS2水平升高(t/P=24.786/<0.001、15.123/<0.001、24.411/<0.001、19.466/<0.001、15.581/<0.001、17.897/<0.001);HF患者血清TAX1BP1、ETS2水平与LVPWT、LVEDD、IVST、LVMI均呈正相关(TAX1BP1:r/P=0.646/<0.001、0.658/<0.001、0.649/<0.001、0.679/<0.001;ETS2:r/P=0.676/<0.001、0.634/<0.001、0.642/<0.001、0.681/<0.001)。165例HF患者1年不良预后率为32.12%(53/165)。与良好预后亚组比较,不良预后亚组血清TAX1BP1、ETS2水平升高(t/P=6.805/<0.001、6.721/<0.001);NYHA心功能≥Ⅲ级、NT-proBNP高、LVPWT高、LVEDD高、IVST高、LVMI高、TAX1BP1高、ETS2高是HF患者不良预后的独立危险因素[OR(95%CI)=6.832(1.623~28.762)、1.001(1.000~1.001)、2.362(1.205~4.629)、1.340(1.109~1.618)、2.343(1.262~4.349)、1.073(1.007~1.142)、1.117(1.014~1.231)、1.774(1.296~2.428)],LVEF高为HF患者不良预后的保护因素[OR(95%CI)=0.812(0.712~0.927)];血清TAX1BP1、ETS2水平及二者联合预测HF患者不良预后的曲线下面积分别为0.790、0.783、0.865,二者联合的AUC大于二者单独预测(Z/P=2.000/0.046、2.412/0.016)。结论HF患者血清TAX1BP1、ETS2水平升高,与VR加重和不良预后密切相关,且血清TAX1BP1、ETS2水平联合对HF患者不良预后的预测效能较高。 展开更多
关键词 心力衰竭 tax1结合蛋白1 E26转化特异性因子2 心室重构 不良预后
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The Influence of Leverage,Firm Size,Firm Value,and Managerial Ownership on Tax Aggressiveness in Technology Sector Companies Listed on the Indonesia Stock Exchange
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作者 Siti Nurhaliza Mukhra Iskandar Muda Narumondang Bulan Siregar 《Journal of Modern Accounting and Auditing》 2025年第3期120-130,共11页
This study aims to analyze the influence of leverage,firm size,firm value,and managerial ownership on tax aggressiveness in technology sector companies listed on the Indonesia Stock Exchange.Tax aggressiveness has bec... This study aims to analyze the influence of leverage,firm size,firm value,and managerial ownership on tax aggressiveness in technology sector companies listed on the Indonesia Stock Exchange.Tax aggressiveness has become a critical issue in corporate financial management practices,particularly in the context of optimizing tax burdens through strategies that remain within legal boundaries.The study adopts a quantitative approach using panel data regression methods.Data processing and analysis were conducted using EViews version 12.The research sample consists of 13 technology sector companies selected through purposive sampling,with an observation period spanning five years(2019-2023),resulting in a total of 65 observations.The analysis results indicate that leverage and firm value have a negative effect on tax aggressiveness.Conversely,managerial ownership is found to have a positive effect on tax aggressiveness.Meanwhile,firm size does not show a significant influence on tax aggressiveness. 展开更多
关键词 tax aggressiveness leverage firm size firm value managerial ownership
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Research on the Governance Path of Agricultural Carbon Emissions Based on Ecological Compensation Mechanism and Green Fiscal and Taxation Policies
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作者 Chien-Chi Chu Xinyi Ren +2 位作者 Dan Luo Xinyi Huang Qi Huang 《Research in Ecology》 2025年第3期42-59,共18页
Under the dual drivers of global climate governance and carbon neutrality goals,agricultural carbon emission reduction has become a pivotal component of regional green transformation.This study focuses on Guangdong,a ... Under the dual drivers of global climate governance and carbon neutrality goals,agricultural carbon emission reduction has become a pivotal component of regional green transformation.This study focuses on Guangdong,a major province,employing the LMDI decomposition mode to systematically analyze the driving mechanis of agricultural carbon emissions.It reveals that the low ecological compensation standard,industrial path dependence,and high-carbon energy lock-in consti-tute core constraints.The research finds that the absence of ecological compensation standards and the structural imbalance of traditional subsidy policies induce diminishing marginal benefits in carbon reduction due to structural imbalances,while persistent funding shortages in low-carbon technology R&D further weaken emission reduction efficacy,exacerbating compatibility contradictions between emission policies and production practices.Through the comparison of domestic and foreign experiences,it is found that under the global wave of low-carbon transformation in agriculture,the ecological compensation optimization layer should establish a calculation system for the carbon sink value of cultivated land and differentiated compensation standards;the fiscal and taxation policy coordination layer should implement a tiered carbon tax on agricultural inputs and carbon sink pledge financing incentives.Constructing a fiscal expenditure and fiscal and taxation coordination mechanism that suits regional characteristics is the key path to resolving the contradiction between the technical economy and ecological sustainability of emission reduction. 展开更多
关键词 Fiscal Expenditure Structure tax Incentives LMDI Global Best Practices Policy Synergy
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Basic Motives and Impacts of the Suspension or Termination of the Income Tax Convention Between China and the United States
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作者 HUANG Yanjun YANG Wenjing ZHANG Feiyang 《International Relations and Diplomacy》 2025年第2期107-117,共11页
Recently,the United States has introduced a series of tariff policies,ushering the global economic order into an era of“institutional uncertainty”.The United States has not only imposed additional tariffs on Chinese... Recently,the United States has introduced a series of tariff policies,ushering the global economic order into an era of“institutional uncertainty”.The United States has not only imposed additional tariffs on Chinese goods and expanded the tax base but also enacted targeted tariff measures in the technology sector.Additionally,it indicates a potential review of whether to suspend or terminate the United States-People’s Republic of China Income Tax Convention.In the current international economic climate,the tax treaty has moved beyond mere economic considerations to become a significant tool in international relations.This article focuses on the basic motives of the potential suspension or termination of the Income Tax Convention between China and the United States,then analyzes the multi-dimensional impacts of this change on China’s FDI,China’s outward FDI,and domestic economy in China if the tax treaty were to be suspended or terminated.Finally,it explores further the negative consequences and the challenges of the global economic governance system amid the uncertainty of tax rules. 展开更多
关键词 China-US relations tax treaty global economic governance
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Impact of environmental taxes,hydroelectricity consumption,economic globalization,and gross domestic product(GDP)on the load capacity factor in the selected European Union(EU)member countries
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作者 Funda KAYA Badsha MIA +4 位作者 MostAsikha AKTAR Md.Shaddam HOSSAIN Md.Mahedi HASSAN Muhammad Abdur RAHAMAN Liton Chandra VOUMIK 《Regional Sustainability》 2025年第2期17-30,共14页
The intersection of economic development,energy dynamics,environmental policy,and environmental sustainability presents complex challenges for European Union(EU)countries.This study investigatedthe impact of environme... The intersection of economic development,energy dynamics,environmental policy,and environmental sustainability presents complex challenges for European Union(EU)countries.This study investigatedthe impact of environmental taxes,hydroelectricity consumption,economic globalization,and gross domestic product(GDP)on the load capacity factor(LCF)in the 10 EU member countries(including Austria,Finland,France,Germany,Italy,Poland,Portugal,Slovakia,Spain,and Sweden)using data from 1995 to 2020.To ensure the reliability and validity of the data,this study applied several advanced econometric tests,including the Pesaran and Yamagata slopeheterogeneitytest,Pesaran cross-sectional dependence(CSD)test,second-generation unit root test,and Westerlund cointegration test.The data showed important statistical issues such as slope heterogeneityacross panels,CSD,mixed-orderunit root structures,and long-run associations between variables.To address these issues,we applied an augmented mean group(AMG)model as the main regression approach,andusedthe pooled mean group-autoregressive distributed lag(PMG-ARDL)method to check the robustness.Specifically,the AMG results indicate that a 1.000%rise in hydroelectricity consumptionresults in a 0.048% rise in the LCF,while a 1.000% increase in environmental taxes leads toa 0.175% increase in the LCF.Contrary to this,a 1.000% increase in economic globalization results in a 0.370% decrease in the LCF,and a 1.000% increase in GDP leads toa 0.850% decrease in the LCF.Environmental taxes have a more beneficial impact on the environment,and GDP has the most detrimental effect.The findings provide empirical evidence on the role of environmental taxes,hydroelectricity consumption,economic globalization,and GDP in driving the LCF.Additionally,the findings provide valuable information to policy-makers,academicians,and stakeholders shaping energy and environmental policies in the 10 EU member countries. 展开更多
关键词 Environmental taxes Hydroelectricity consumption Economic globalization Load capacity factor Sustainable development European Union(EU)member countries
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The Impact of Vietnam's Tax Incentives on the Attractiveness of Foreign Investment Based on the Investment Environment
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作者 Zixin Wang Haojie Liao +1 位作者 Shaohan Lin Yating Yang 《Journal of Frontier in Economic and Management Research》 2025年第1期321-337,共17页
Vietnam has recently become a major draw for foreign investment,especially from Chinese firms.This can be attributed to its booming economy,strategic location,and increasingly favorable investment policies.This analys... Vietnam has recently become a major draw for foreign investment,especially from Chinese firms.This can be attributed to its booming economy,strategic location,and increasingly favorable investment policies.This analysis explores how Vietnam's tax incentives enhance its appeal to foreign investors,focusing on the varied regional and industry-specific effects of corporate income tax incentives.Research reveals Vietnam has significantly boosted its attractiveness to foreign investment by steadily lowering corporate income tax rates—from 25%-45%in the 1990s to a flat 20%by 2016.It also implemented differentiated incentives,including a 10%tax rate in economic zones,along with periods of tax exemption and reduction.At the regional level,tax incentives in economic zones,high-tech parks,and less developed areas have effectively guided Foreign Direct Investment(FDI).However,the impact of these policies has waned in more established regions like Ho Chi Minh City.Across industries,targeted tax exemptions and reductions in high-tech,environmental protection,and infrastructure sectors have successfully spurred industrial advancement.Nonetheless,challenges such as intricate tax regulations,varying local interpretations,and global tax reforms like the OECD global minimum tax introduce compliance risks and policy uncertainties.This research empirically confirms a positive link between tax incentives and inflows of foreign investment,as well as Gross Regional Domestic Product(GRDP).It also highlights the critical need to dynamically balance policy benefits and associated risks.This study offers a theoretical framework for foreign enterprises to refine their investment strategies in Vietnam.It also provides valuable insights for other Southeast Asian nations developing competitive tax policies. 展开更多
关键词 Vietnam's tax Preferential Policies Foreign Direct Investment Gross Regional Domestic Product
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Exploring Corporate Tax Compliance in the Era of Digital Tax Collection and Administration:Insights from the“Golden Tax Phase Four”Project 被引量:1
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作者 Kai Fan Yujin Xie +1 位作者 Wenjun Xu Haopeng Wei 《Proceedings of Business and Economic Studies》 2024年第2期151-156,共6页
This article primarily examines the current state of tax collection and management,alongside other associated issues.It integrates insights from China’s“14th Five-Year Plan”and anticipates the imminent implementati... This article primarily examines the current state of tax collection and management,alongside other associated issues.It integrates insights from China’s“14th Five-Year Plan”and anticipates the imminent implementation of the“Golden Tax Phase Four.”With this backdrop,the article offers recommendations for advancing the reform of the tax collection and management system,fostering the development of intelligent taxation,and accelerating the modernization of tax collection and management in China. 展开更多
关键词 Golden tax Phase Four Modernization of tax collection and administration tax compliance
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沉默MPZL1调控β-catenin对A549/Tax细胞干性及耐药性的影响 被引量:1
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作者 臧超 戈巧 +6 位作者 李超 洪海宁 李伟 苏君 黎传奎 陈力维 王安生 《安徽医科大学学报》 CAS 北大核心 2024年第1期99-105,共7页
目的探讨髓磷脂蛋白零样蛋白1(MPZL1)沉默后是否通过调控β-catenin表达对A549/Tax耐药性和细胞干性产生影响。方法采用不同浓度阿霉素和紫杉醇处理A549和A549紫杉醇耐药性(A549/Tax)细胞,观察两种细胞的耐药性差异。实时荧光定量聚合... 目的探讨髓磷脂蛋白零样蛋白1(MPZL1)沉默后是否通过调控β-catenin表达对A549/Tax耐药性和细胞干性产生影响。方法采用不同浓度阿霉素和紫杉醇处理A549和A549紫杉醇耐药性(A549/Tax)细胞,观察两种细胞的耐药性差异。实时荧光定量聚合酶链式反应(qRT-PCR)和Western blot检测A549和A549/Tax细胞中MPZL1的表达量差异。对A549/Tax细胞沉默或者过表达MPZL1,进一步将细胞分为对照(control)组、短发卡RNA阴性对照(sh-NC)组、MPZL1沉默(sh-MPZL1)组、过表达阴性对照(OE-NC)组、MPZL1过表达(OE-MPZL1)组,运用细胞计数试剂盒8(CCK-8)和平板克隆实验分别检测MPZL1的表达变化对A549/Tax细胞增殖和克隆形成能力的影响。Western blot检测Wnt/β-catenin抑制剂XAV939和激活剂CHIR-99201处理细胞后,不同蛋白的表达变化。结果A549/Tax细胞对阿霉素和紫杉醇的半数抑制浓度(IC 50)较A549细胞明显增加(P<0.01)。MPZL1在A549/Tax中呈更高的表达趋势。MPZL1敲除后A549/Tax对阿霉素和紫杉醇的IC 50分别为2.731 mg/ml和4.939μg/ml,较阴性对照组的4.541 mg/ml和13.55μg/ml降低(P<0.01)。CCK-8和克隆形成实验结果显示,MPZL1敲除抑制肺癌A549/Tax细胞的增殖活力和克隆形成能力(P<0.05);Western blot结果显示,与阴性对照组相比,MPZL1、肿瘤干性相关蛋白(CD44和CD133)、多药耐药蛋白1(MDR1)、肺耐药相关蛋白(LRP)和β-catenin在sh-MPZL1中的表达水平明显减少(P<0.01)。此外,XAV939可抑制MPZL1、CD44、CD133、MDR1、LRP和β-catenin的表达。CHIR-99201处理细胞后部分逆转敲除MPZL1对上述蛋白的抑制作用。结论MPZL1在肺癌A549/Tax细胞中高表达。敲除MPZL1可抑制肿瘤干性和细胞增殖,增强肺癌A549/Tax细胞对阿霉素和紫杉醇的敏感性。 展开更多
关键词 MPZL1 肿瘤干性 A549/tax肺癌细胞 多药耐药 紫杉醇
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Taxation Models and Improvement Proposals for Personal Income Tax in the Sharing Economy
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作者 Xinyao Ruan 《Proceedings of Business and Economic Studies》 2024年第3期220-226,共7页
As an innovative economic model,the sharing economy has seen rapid growth globally in recent years.It has not only brought a profound impact on traditional economies but also injected new vitality and momentum into th... As an innovative economic model,the sharing economy has seen rapid growth globally in recent years.It has not only brought a profound impact on traditional economies but also injected new vitality and momentum into the sustainable development of the social economy.However,for the sharing economy,the process of collecting personal income tax is facing several issues,such as the ambiguity of tax policies regarding personal income,challenges in identifying taxpayers,and difficulties in defining income.To achieve the fairness and efficiency of personal income tax collection in the sharing economy,this study proposes optimized regulatory mechanisms and conducts in-depth discussions on the adjustment of personal income tax policies,innovation in tax management technology,and improvement in the quality of personal income tax services. 展开更多
关键词 Sharing economy Personal income tax taxation models
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Scenario analysis of the Indonesia carbon tax impact on carbon emissions using system dynamics modeling and STIRPAT model 被引量:2
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作者 Andewi Rokhmawati Vita Sarasi Lailan Tawila Berampu 《Geography and Sustainability》 CSCD 2024年第4期577-587,共11页
This study aims to develop a system dynamic(SD)forecasting model based on the STIRPAT model to forecast the effect of an IDR 30 per kg CO_(2)e carbon tax on carbon emissions,estimate future carbon emissions under ten ... This study aims to develop a system dynamic(SD)forecasting model based on the STIRPAT model to forecast the effect of an IDR 30 per kg CO_(2)e carbon tax on carbon emissions,estimate future carbon emissions under ten scenarios,without and with the carbon tax,and estimate the environmental Kuznets curve(EKC)to predict Indonesia’s carbon emission peak.Carbon emission drivers in this study are decomposed into several factors,namely energy structure,energy intensity,industrial structure,GDP per capita,population,and fixed-asset investment.This study included nuclear power utilization starting in 2038.The research gaps addressed by this study compared to previous research are(1)use of the ex-ante approach,(2)inclusion of nuclear power plants,(3)testing the EKC hypothesis,and(4)contribution to government policy.The simulation results show that under the carbon tax,carbon emissions can be reduced by improving renewable energy structures,adjusting industrial structures to green businesses,and emphasizing fixed asset investment more environmentally friendly.Moreover,the result approved the EKC hypothesis.It shows an inverse U-shaped curve between GDP per capita and CO_(2)emissions in Indonesia.Indonesia’s fastest carbon emission peak is under scenario seven and is expected in 2040.Although an IDR 30 per kg CO_(2)e carbon tax and nuclear power will take decades to reduce carbon emissions,the carbon tax can still be a reference and has advantages to implement.This result can be a good beginning step for Indonesia,which has yet to gain experience with a carbon tax that can be implemented immediately and is helpful to decision-makers in putting into practice sensible measures to attain Indonesia’s carbon emission peaking.This research provides actionable insights internationally on carbon tax policies,nuclear energy adoption,EKC dynamics,global policy implications,and fostering international cooperation for carbon emission reductions. 展开更多
关键词 Carbon emissions Carbon tax System dynamics Environmental Kuznets curve STIRPAT model
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A Brief Discussion on Consumption Tax Planning
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作者 Fang He 《Proceedings of Business and Economic Studies》 2022年第4期88-93,共6页
Consumption tax is calibrated within the price.The amount of consumption tax will directly affect the profits of enterprises.On a law-abiding premise,it is crucial to plan the consumption tax,reduce the burden of cons... Consumption tax is calibrated within the price.The amount of consumption tax will directly affect the profits of enterprises.On a law-abiding premise,it is crucial to plan the consumption tax,reduce the burden of consumption tax,and increase the profits of enterprises.This article proposes several consumption tax planning strategies and methods to provide reference for taxpayers from three aspects:the scope of tax collection,the basis of tax calculation,and the tax rate. 展开更多
关键词 Consumption tax tax planning tax collection tax calculation tax rate
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