期刊文献+
共找到57,785篇文章
< 1 2 250 >
每页显示 20 50 100
Risk assessment of oil and gas investment environment in countries along the Belt and Road Initiative 被引量:1
1
作者 Bao-Jun Tang Chang-Jing Ji +3 位作者 Yu-Xian Zheng Kang-Ning Liu Yi-Fei Ma Jun-Yu Chen 《Petroleum Science》 SCIE EI CAS CSCD 2024年第2期1429-1443,共15页
With the implementation of the Belt and Road Initiative, China is deepening its cooperation in oil and gas resources with countries along the Initiative. In order to better mitigate risks and enhance the safety of inv... With the implementation of the Belt and Road Initiative, China is deepening its cooperation in oil and gas resources with countries along the Initiative. In order to better mitigate risks and enhance the safety of investments, it is of significant importance to research the oil and gas investment environment in these countries for China's overseas investment macro-layout. This paper proposes an indicator system including 27 indicators from 6 dimensions. On this basis, game theory models combined with global entropy method and analytic hierarchy process are applied to determine the combined weights, and the TOPSIS-GRA model is utilized to assess the risks of oil and gas investment in 76 countries along the Initiative from 2014 to 2021. Finally, the GM(1,1) model is employed to predict risk values for 2022-2025. In conclusion, oil and gas resources and political factors have the greatest impact on investment environment risk, and 12 countries with greater investment potential are selected through cluster analysis in conjunction with the predicted results. The research findings may provide scientific decisionmaking recommendations for the Chinese government and oil enterprises to strengthen oil and gas investment cooperation with countries along the Belt and Road Initiative. 展开更多
关键词 Belt and Road Initiative Oil and Gas investment Risk assessment
下载PDF
Microstructure and mechanical properties of Co-28Cr-6Mo-0.22C investment castings by current solution treatment
2
作者 Ze-yu Dan Jun Liu +4 位作者 Jian-lei Zhang Yan-hua Li Yuan-xin Deng Yun-hu Zhang Chang-jiang Song 《China Foundry》 SCIE EI CAS CSCD 2024年第4期369-378,共10页
This study examined the impact of current solution treatment on the microstructure and mechanical properties of the Co-28Cr-6Mo-0.22C alloy investment castings.The findings reveal that the current solution treatment s... This study examined the impact of current solution treatment on the microstructure and mechanical properties of the Co-28Cr-6Mo-0.22C alloy investment castings.The findings reveal that the current solution treatment significantly promotes the dissolution of carbides at a lower temperature.The optimal conditions for solution treatment are determined as a solution temperature of 1,125°C and a holding time of 5.0 min.Under these parameters,the size and volume fraction of precipitated phases in the investment castings are measured as6.2μm and 1.1vol.%.The yield strength,ultimate tensile strength,and total elongation of the Co-28Cr-6Mo-0.22C investment castings are 535 MPa,760 MPa,and 12.6%,respectively.These values exceed those obtained with the conventional solution treatment at 1,200°C for 4.0 h.The findings suggest a phase transformation of M_(23)C_(6)→σ+C following the current solution treatment at 1,125°C for 5.0 min.In comparison,the traditional solution treatment at 1,200°C for 4.0 h leads to the formation of M_(23)C_(6)and M_(6)C carbides.It is noteworthy that the non-thermal effect of the current during the solution treatment modifies the free energy of both the matrix and precipitation phase.This modification lowers the phase transition temperature of the M_(23)C_(6)→σ+C reaction,thereby facilitating the dissolution of carbides.As a result,the current solution treatment approach achieves carbide dissolution at a lower temperature and within a significantly shorter time when compared to the traditional solution treatment methods. 展开更多
关键词 CoCrMo alloy investment castings current solution treatment microstructure mechanical property CARBIDE
下载PDF
Agricultural Investment Project Decisions Based on an Interactive Preference Disaggregation Model Considering Inconsistency
3
作者 Xingli Wu Huchang Liao +1 位作者 Shuxian Sun Zhengjun Wan 《Computer Modeling in Engineering & Sciences》 SCIE EI 2024年第6期3125-3146,共22页
Agricultural investment project selection is a complex multi-criteria decision-making problem,as agricultural projects are easily influenced by various risk factors,and the evaluation information provided by decisionm... Agricultural investment project selection is a complex multi-criteria decision-making problem,as agricultural projects are easily influenced by various risk factors,and the evaluation information provided by decisionmakers usually involves uncertainty and inconsistency.Existing literature primarily employed direct preference elicitation methods to address such issues,necessitating a great cognitive effort on the part of decision-makers during evaluation,specifically,determining the weights of criteria.In this study,we propose an indirect preference elicitation method,known as a preference disaggregation method,to learn decision-maker preference models fromdecision examples.To enhance evaluation ease,decision-makers merely need to compare pairs of alternatives with which they are familiar,also known as reference alternatives.Probabilistic linguistic preference relations are employed to account for the presence of incomplete and uncertain information in such pairwise comparisons.To address the inconsistency among a group of decision-makers,we develop a pair of 0-1mixed integer programming models that consider both the semantics of linguistic terms and the belief degrees of decision-makers.Finally,we conduct a case study and comparative analysis.Results reveal the effectiveness of the proposed model in solving agricultural investment project selection problems with uncertain and inconsistent decision information. 展开更多
关键词 Multiple criteria analysis preference disaggregation INCONSISTENCY probability linguistic preference relation investment project selection
下载PDF
Impact of the carbon market on investment benefits of power-grid enterprises in China: a system dynamics analysis
4
作者 Wanning Mao Liang Hu +3 位作者 Wenjuan Niu Xiaorong Sun Lili Hao Abimbola Susan Ajagun 《Global Energy Interconnection》 EI CSCD 2024年第4期402-414,共13页
The power grid,as the hub connecting the power supply and consumption sides,plays an important role in achieving carbon neutrality in China.In emerging carbon markets,assessing the investment benefits of power-grid en... The power grid,as the hub connecting the power supply and consumption sides,plays an important role in achieving carbon neutrality in China.In emerging carbon markets,assessing the investment benefits of power-grid enterprises is essential.Thus,studying the impact of the carbon market on the investment and operation of powergrid enterprises is key to ensuring their efficient operation.Notably,few studies have examined the interaction between the carbon and electricity markets using system dynamics models,highlighting a research gap in this area.This study investigates the impact of the carbon market on the investment of power-grid enterprises using a novel evaluation system based on a system dynamics model that considers carbon-emissions from an established carbon-emission accounting model.First,an index system for benefit evaluation was constructed from six aspects:financing ability,economic benefit,reliability,social responsibility,user satisfaction,and carbon-emissions.A system dynamics model was then developed to reflect the causal feedback relationship between the impact of the carbon market on the investment and operation of power-grid enterprises.The simulation results of a provincial power-grid enterprise analyze comprehensive investment evaluation benefits over a 10-year period and the impact of carbon emissions on the investment and operation of power-grid enterprises.This study provides guidelines for the benign development of power-grid enterprises within the context of the carbon market. 展开更多
关键词 Carbon market Power-grid enterprises investment benefit evaluation System dynamics analysis
下载PDF
How R&D investment promotes green technology innovation in the context of digitalization?-An empirical analysis based on provincial panel data
5
作者 LIU Jie LI Zhi-hui WEI Fang-xin 《Ecological Economy》 2024年第1期39-52,共14页
Green technology innovation is an important driving force and source to promote my country’s high-quality development,and it is the core path to achieve sustainable development.This paper uses my country’s provincia... Green technology innovation is an important driving force and source to promote my country’s high-quality development,and it is the core path to achieve sustainable development.This paper uses my country’s provincial panel data from 2016 to 2019 to study the impact mechanism of R&D investment on green technology innovation,and introduces the level of digitization,using the panel threshold model to discuss its role in the impact mechanism of R&D investment on green technology innovation.The study found that when the level of digitalization in a region is low,increasing R&D investment does not necessarily improve the ability of green technology innovation;when the level of digitalization is relatively high,R&D investment has a positive role in promoting green technology innovation.Therefore,it is necessary to improve policies to encourage enterprises to increase investment in research and development;at the same time,it is necessary to promote the coordinated development of digital foundation,digital investment,digital literacy,digital economy and digital application,and promote the deep integration of digitalization and green technology innovation. 展开更多
关键词 green technology innovation R&D investment digital level panel model
下载PDF
By Deepening Regional Cooperation,the CCPIT Serve as a Bridge for Foreign Investment
6
作者 Lily Wang 《China's Foreign Trade》 2024年第4期32-35,共4页
On June 28,t he China Council for the Promotion of International Trade(CCPIT)held its regular monthly press conference in Beijing.Spokesperson Zhao Ping introduced China’s latest progress and policy trends in terms o... On June 28,t he China Council for the Promotion of International Trade(CCPIT)held its regular monthly press conference in Beijing.Spokesperson Zhao Ping introduced China’s latest progress and policy trends in terms of attracting foreign investment,regional cooperation and supporting Chinese brands at the meeting. 展开更多
关键词 investment attracting policy
下载PDF
China’s Unprecedented Focus on Foreign Investment
7
作者 Ada Wang 《China's Foreign Trade》 2024年第4期21-24,共4页
The Communique of the Third Plenary Session of the 20th Central Committee of the Communist Party of China(CPC),which has just been concluded,mentions that it is necessary to steadily expand institutional opening-up,de... The Communique of the Third Plenary Session of the 20th Central Committee of the Communist Party of China(CPC),which has just been concluded,mentions that it is necessary to steadily expand institutional opening-up,deepen foreign trade structural reform,further reform the management systems for inward and outward investment,improve planning for regional opening up,and refine the mechanisms for high-quality cooperation under the Belt and Road Initiative. 展开更多
关键词 investment FOCUS COMMUNIST
下载PDF
National Social Investment Programmes in Nigeria:A Descriptive Analysis of the Socio-Economic Contributions of N-Power Programme in Benue State
8
作者 Robert Idoko Ogwola Dennis Anyebe Olofu Charles Amobi Aneke 《Management Studies》 2024年第1期9-20,共12页
This study analysed the socio-economic contributions of N-Power programme amongst the beneficiaries of the scheme in Benue State.Prior to the introduction of N-Power programme,successive administrations in Nigeria hav... This study analysed the socio-economic contributions of N-Power programme amongst the beneficiaries of the scheme in Benue State.Prior to the introduction of N-Power programme,successive administrations in Nigeria have made concerted efforts towards improving the standard of living of the citizenry through the execution of various welfare or social intervention programmes,but not much successes were recorded.Learning from the mistakes of the past regimes,and by way of deliberate state policy,the Buhari’s government initiated a multi-pronged social investment policy,one of which is the N-power programme that came onboard in 2016,which also doubles as the subject of this study.To achieve the goal of this study,a combination of desktop research and survey design was employed.Questionnaires were administered to 390 respondents through a combination of stratified and random sampling techniques.The results of the survey were matched with that of the secondary data obtained through online websites and other related sources.The result indicated that N-Power made positive contributions to the socio-economic life of the beneficiaries in Benue State:specifically,the scheme contributed in poverty eradication,employment generation,skills acquisitions and capacity building.However,some aspect of our findings revealed that the programme has a number of challenges such as:inadequate cash support,delay in monthly cash transfer to beneficiaries,distance participants had to move to their work stations,absence of posting in N-Teach scheme,and lack of adequate working tools amongst others.To salvage this problem the paper recommended the following solutions:expansion of the scheme to cover N-Teach and other aspects,increment in the monthly cash transfer to cushion the high rate of inflation,support for the participants/beneficiaries in transportation and logistics,enrolment of more youth into the various schemes,proper monitoring and evaluation of the implementation of the schemes amongst others. 展开更多
关键词 NATIONAL social investment programme N-Power CONTRIBUTIONS socio-economic development
下载PDF
Chinese Enterprises’ Investment in Southeast Asia Continues Unabated
9
作者 Ada Wang 《China's Foreign Trade》 2024年第1期45-46,共2页
As we all know,Southeast Asia has become a hot destination for Chinese enterprises to invest in.The latest report shows that Southeast Asia continues to attract China’s capital,within which the medical industry has b... As we all know,Southeast Asia has become a hot destination for Chinese enterprises to invest in.The latest report shows that Southeast Asia continues to attract China’s capital,within which the medical industry has become an important area for Chinese enterprises to invest in,and the investment activity has gradually warmed up despite fluctuations. 展开更多
关键词 ENTERPRISES investment SOUTHEAST
下载PDF
How to Further Attract and Stabilize Foreign Investment
10
作者 Zhao Ailing 《China's Foreign Trade》 2024年第2期29-31,共3页
During the Two Sessions,how to attract foreign investment to China and how to further optimize the business environment for foreign investment have become hot topics in the economic field.The 2024 government work repo... During the Two Sessions,how to attract foreign investment to China and how to further optimize the business environment for foreign investment have become hot topics in the economic field.The 2024 government work report proposes increased efforts to attract foreign investment.It will continue to reduce the negative list of foreign investment access,completely lift restrictions on foreign investment accessto the manufacturing industry. 展开更多
关键词 investment CONTINUE field.
下载PDF
Renewing Chinese Investment in Indonesia’s Energy Sector
11
作者 Huang Jiangqin 《China Report ASEAN》 2024年第5期48-49,共2页
On April 1,the China RE Invest Indonesia 2024,a symposium cohosted by the Embassy of the Republic of Indonesia in China,the Southeast Strategics(a business and investment research and advisory institute),and the Cente... On April 1,the China RE Invest Indonesia 2024,a symposium cohosted by the Embassy of the Republic of Indonesia in China,the Southeast Strategics(a business and investment research and advisory institute),and the Center for Strategic and International Studies(CSIS)Indonesia,took place in Beijing.Representatives from renewable energy investment companies,equipment manufacturers,financial institutions,government departments,renewable energy-related enterprises. 展开更多
关键词 COMPANIES investment ENTERPRISES
下载PDF
Which Cities are More Attractive for Business Investment?
12
作者 Jenny Hu 《China's Foreign Trade》 2024年第1期61-63,共3页
A good business environment is the soft power and core competitiveness for urban economic development,and is a key element to attract business investment.Recently,the“Top 50 Cities with Business Investment Attraction... A good business environment is the soft power and core competitiveness for urban economic development,and is a key element to attract business investment.Recently,the“Top 50 Cities with Business Investment Attraction”(hereinafter referred to as the Survey)released by the Big Data Research Institute of Qi Chacha shows that the siphonic effect of the first-tier cities is significant,and in the past five years,enterprises in Shanghai,Beijing and Shenzhen have been invested in the most frequently. 展开更多
关键词 invested ENTERPRISES TRACTION
下载PDF
Research on the Threshold Effect of China’s Pharmaceutical Export Trade on Internal and External R&D Investment
13
作者 Qiao Jiahui Song Yu +1 位作者 Gong Jingran Chen Yuwen 《Asian Journal of Social Pharmacy》 2024年第2期135-146,共12页
Objective To study the threshold effect of export trade on internal and external R&D investment in China’s pharmaceutical industry,and to provide reference for some pharmaceutical enterprises to improve the inves... Objective To study the threshold effect of export trade on internal and external R&D investment in China’s pharmaceutical industry,and to provide reference for some pharmaceutical enterprises to improve the investment.Methods The panel data of pharmaceutical industry in 25 provinces and cities in China from 2009 to 2019 were selected to conduct empirical analysis by establishing a threshold regression model,and a better export trade interval was obtained.Results and Conclusion There is a threshold value for the effect of new product export on both internal and external R&D expenditures,and the threshold values are 845.2788 million yuan and 318.4198 million yuan,respectively.There is a single threshold effect of export trade on both internal and external R&D investment in China’s pharmaceutical industry,and the effect of export trade on internal and external R&D investment changes from negative to positive as the export trade develops from low to high. 展开更多
关键词 pharmaceutical industry threshold effect export trade R&D investment
下载PDF
Boosting Bilateral Trade and Investment
14
作者 BUSANI NGCAWENI 《ChinAfrica》 2024年第10期38-39,共2页
China,South Africa committed to broadening economic exchanges during South African leader’s state visit to China.The South African branch of Bank of China,in partnership with the School of Economics and Finance of th... China,South Africa committed to broadening economic exchanges during South African leader’s state visit to China.The South African branch of Bank of China,in partnership with the School of Economics and Finance of the University of the Witwatersrand,launched the Chinese Investors’Confidence Index for South Africa in 2023.A first of its kind,the index reports on South Africa’s economic and investment environment based on the views and experiences of Chinese investors in South Africa. 展开更多
关键词 investment AFRICA branch
下载PDF
Innovative Strategies for Financial Investment Management Strategies of Enterprises in the New Era
15
作者 Xuanyi Huang 《Proceedings of Business and Economic Studies》 2024年第2期170-177,共8页
With the in-depth development of economic globalization and the continuous emergence of new technologies,the importance of enterprise financial investment management strategy is becoming more and more prominent.The tr... With the in-depth development of economic globalization and the continuous emergence of new technologies,the importance of enterprise financial investment management strategy is becoming more and more prominent.The traditional financial investment management strategy can no longer meet the needs of enterprises in the new era and needs to be innovated with the times.For enterprises,the effectiveness and scientificity of financial investment management strategy will directly affect the competitiveness and long-term development of enterprises.Therefore,this study chooses the innovation based on the financial investment management strategy of enterprises in the new era as the research theme,aiming at exploring the innovative strategy to adapt to the needs of enterprises in the new era. 展开更多
关键词 New era Financial investment management Innovative strategy
下载PDF
Research on the Investment Mode and Path of China’s Construction Waste Resourceization Industry
16
作者 Lian Tan 《Journal of Architectural Research and Development》 2024年第3期26-35,共10页
At present,China’s construction waste accounts for about 40%of the total municipal solid waste,with a large stock,a large increment,and a low rate of resource utilization,which is still a big gap compared with develo... At present,China’s construction waste accounts for about 40%of the total municipal solid waste,with a large stock,a large increment,and a low rate of resource utilization,which is still a big gap compared with developed countries.However,the market prospect of the construction waste industry is relatively broad,the reuse value of the construction waste is high,so these resources should be fully utilized.This paper presents an in-depth analysis of projects in the construction waste resourceization industry,examining the industrial chain,development history,current status,investment and financing modes,and case studies.It proposes targeted strategies for companies to focus on the upstream and downstream segments of the construction industry’s value chain and explores the implementation of investment opportunities in construction waste resourceization. 展开更多
关键词 Construction waste Resourceization investment mode and path
下载PDF
Research on the Application of Virtual Simulation Experimental Teaching in the Securities Investment Course
17
作者 Beini Zhu 《Journal of Contemporary Educational Research》 2024年第7期35-40,共6页
With the rapid development of information technology and the increasing complexity of the financial market,the teaching methods and means of the Securities Investment course in universities are facing new challenges a... With the rapid development of information technology and the increasing complexity of the financial market,the teaching methods and means of the Securities Investment course in universities are facing new challenges and opportunities.The purpose of this paper is to discuss the application and construction path of virtual simulation experimental teaching in the Securities Investment course.Firstly,it analyses the problems existing in the teaching of traditional securities investment courses,such as the disconnection between theory and practice and the single teaching mode.In order to solve these problems,this paper puts forward the necessity of introducing virtual simulation experimental teaching and details the specific application path of virtual simulation experimental teaching in the Securities Investment course. 展开更多
关键词 Virtual simulation experimental teaching Securities investment Teaching reform
下载PDF
Research on the Mechanism and Strategy of Equity Investment Driving the Transformation of New Material Innovation Achievements
18
作者 Xiao Zhang 《Proceedings of Business and Economic Studies》 2024年第4期136-141,共6页
Under the wave of global technological revolution,the new materials industry is facing difficulties in innovation and transformation.Equity investment has become a key driving force due to its flexible mechanism,risk ... Under the wave of global technological revolution,the new materials industry is facing difficulties in innovation and transformation.Equity investment has become a key driving force due to its flexible mechanism,risk sharing,and deep participation.Based on introducing the current development status of China’s new materials industry,this article reveals the mechanism of equity investment in financial support,risk management,incentive constraints,and resource integration.The article proposes optimization strategies,such as building an information-sharing mechanism and a diversified investment fund system,to promote the high-quality development of the new materials industry driven by innovation and provide strategic guidance for policymakers,investors,and enterprises. 展开更多
关键词 New materials industry Transformation of innovative achievements Equity investment
下载PDF
Risk Assessment and Control in Medical Investment,Merger,and Acquisition
19
作者 Feng Qian 《Proceedings of Business and Economic Studies》 2024年第1期51-55,共5页
The risk assessment and control of medical investment,merger,and acquisition are crucial topics within the medical industry,encompassing various aspects of investment,merger,and acquisition within this sector.The proc... The risk assessment and control of medical investment,merger,and acquisition are crucial topics within the medical industry,encompassing various aspects of investment,merger,and acquisition within this sector.The process primarily targets the unique nature and associated risks of the medical industry,focusing on effective risk management and control strategies to facilitate the smooth progression of investment,merger,and acquisition activities. 展开更多
关键词 Medical investment merger and acquisition Risk assessment CONTROL
下载PDF
Optimal Quota-Share and Excess-of-Loss Reinsurance and Investment with Heston’s Stochastic Volatility Model 被引量:1
20
作者 伊浩然 舒慧生 单元闯 《Journal of Donghua University(English Edition)》 CAS 2023年第1期59-67,共9页
An optimal quota-share and excess-of-loss reinsurance and investment problem is studied for an insurer who is allowed to invest in a risk-free asset and a risky asset.Especially the price process of the risky asset is... An optimal quota-share and excess-of-loss reinsurance and investment problem is studied for an insurer who is allowed to invest in a risk-free asset and a risky asset.Especially the price process of the risky asset is governed by Heston's stochastic volatility(SV)model.With the objective of maximizing the expected index utility of the terminal wealth of the insurance company,by using the classical tools of stochastic optimal control,the explicit expressions for optimal strategies and optimal value functions are derived.An interesting conclusion is found that it is better to buy one reinsurance than two under the assumption of this paper.Moreover,some numerical simulations and sensitivity analysis are provided. 展开更多
关键词 optimal reinsurance optimal investment quota-share and excess-of-loss reinsurance stochastic volatility(SV)model exponential utility function
下载PDF
上一页 1 2 250 下一页 到第
使用帮助 返回顶部