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Understanding the determinants of household cooking-fuel choice in sub-Saharan Africa:evidence from Nigeria

Clean Energy 2024年第2期8卷 144-155页

作者： Raheem Olatunji Aminu Maxwell Adizor Dzudzor Funminiyi Peter Oyawole Samson Oluwaseyi Afolayan School of Agriculture Policy and DevelopmentUniversity of ReadingReadingUK department of Agricultural Economics and Farm management Federal University of Agriculture AbeokutaOgun StateNigeria department of Agricultural Economics and Agribusiness University of GhanaAccraGhana

Overreliance on traditional cooking fuels by agricultural households poses a significant obstacle to achieving the United Nations Sustainable Development Goal 7 by 2030 in *** the emerging recognition of remittances as a crucial factor influencing cooking-fuel choices in the energy-transition literature,there is a paucity of studies examining this influence in *** data from 4400 agricultural households sourced from the fourth wave of the Nigerian Living Standard Measurement Survey data sets,this study examined the influence of remittances on cooking-fuel choices,among other factors in *** descriptive statistics and the multinomial logit regression model,the analysis reveals that traditional cooking fuels,including wood,crop residue and animal dung,continue to dominate the cooking-fuel *** empirical result of the multinomial logit model showed that households that receive remittances are more likely to use modern cooking ***,wealthier,more educated households with access to electricity are more likely to use modern and transitional cooking fuels than traditional cooking *** on the findings,the study suggests the incentivization of remittances into the country through the reduction in associated transaction costs and accelerated public infrastructural investment in affordable electricity and good road networks to connect rural areas to gas-supply networks to drive the transition to modern cooking ***,educational and awareness campaigns about the health risks associated with traditional cooking energy,particularly indoor air pollution,should be encouraged,especially in rural areas.

关键词： agricultural households cooking fuels energy ladder Nigeria remittance SDG 7

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Diplomatic Relations and Investment Location of Chinese Multinationals:An International Political economy Perspective

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China & World economy 2024年第5期32卷 87-112页

作者： Diego Quer department of management University of AlicanteSpain

Past research has suggested that diplomacy can play a significant role as a mechanism to pave the way for multinational enterprises(MNEs)in foreign *** on the international political economy perspective,this article analyzes the influence of the diplomatic activities of the Chinese government on the location of Chinese *** develops several hypotheses regarding the influence of three essential tools in the Chinese government's current diplomatic agenda:high-level visits by the Chinese President,the establishment of Confucius Institutes,and the Belt and Road Initiative(BRI).The empirical analysis is based on a sample of 972 country-year observations from 2013 to *** results show that high-level government visits and Confucius Institutes positively impacted the location of China's outward foreign direct investments,with the effect being lower in BRI *** impact of Confucius Institutes was higher for state-owned enterprises.

关键词： diplomacy international political economy location decisions multinational enterprises

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Assessment of the environmental kuznets curve within EU-27:Steps toward environmental sustainability(1990-2019)

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Environmental Science and Ecotechnology 2024年第2期18卷 91-103页

作者： Safwan Mohammed Abid Rashid Gill Kaushik Ghosal Main Al-Dalahmeh Karam Alsafadi Szilárd Szabó Judit Oláh Ali Alkerdi Akasairi Ocwa Endre Harsanyi Institute of Land Use Engineering and Precision Farming TechnologyFaculty of Agricultural and Food Sciences and Environmental ManagementUniversity of DebrecenBöszörményi 138H-4032DebrecenHungary Institutes for Agricultural Research and educational Farm University of DebrecenBöszörményi 138H-4032DebrecenHungary department of Economics The Islamia University of BahawalpurPakistan department of Mining Engineering Indian Institute of Engineering Science and TechnologyShibpurP.O.711103Botanic GardenHowrahWest Bengal711103India Institute of management and Organization Sciences Faculty of Economics and BusinessUniversity of DebrecenEgyetem Tér 14032DebrecenHungary School of Geographical Sciences Nanjing University of Information Science and TechnologyNanjing210044China department of Physical Geography and Geoinformatics Faculty of Sciences and TechnologyUniversity of DebrecenEgyetem tér 14032DebrecenHungary Faculty of Economics and Business University of Debrecen4032DebrecenHungary department of Trade and Finance Faculty of Economics and ManagementCzech University of Life SciencesPrague16500PragueCzech Republic department of Agricultural Economics Faculty of AgricultureKahramanmaras SütçüImam UniversityTurkey department of Agriculture Production Faculty of AgricultureKyambogo University P.O.B.1KyambogoKampalaUganda

Reducing environmental pollution is a critical goal in global environmental economics and economic *** European Union(EU)faces environmental challenges due to its development *** we present a comprehensive approach to assess the impact of carbon dioxide(CO_(2))emissions,energy consumption(EC),population structure(POP),economy(GDP),and policies on the environment within the EU using the environmental Kuznets curve(EKC).Our research reveals that between 1990 and 2019,the EU-27 experienced an increase of t1.18 million tonnes of oil equivalent(Mtoe)per year in energy consumption(p<0.05),while CO_(2)emissions decreased by 24.25 million tonnes(Mt)per year(p<0.05).The highest reduction in CO_(2)emissions occurred in Germany(7.52 Mt CO_(2)annually),and the lowest in Latvia(0.087 Mt CO_(2)annually).The empirical EKC analysis shows an inverted-U shaped relationship between GDP and CO_(2)emissions in the ***,a 1%increase in GDP results in a 0.705%increase in carbon emission,while a 1%increase in GDP2 leads to a 0.062%reduction in environmental pollution in the long run(p<0.01).These findings indicate that economic development within the EU has reached a stage where economic growth positively impacts the ***,this study provides insights into the effectiveness of environmental policies in mitigating degradation and promoting green growth in the EU 27 countries.

关键词： Invasion risk Climate change Adaptive genomic variation Genomic offset Habitat suitability

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Integrated Promotion of High-quality Opening-up and High-level Security in Foreign Exchange Administration under the Capital Account

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China Forex 2024年第1期 51-54页

作者： XIAO Sheng SAFE's Capital Account management department

CHINA FOREX:In2023,what work has been done to promote the high-level opening-up of the capital account,and what has been done towards serving the real economy with foreign exchange administrated under the capital acco... 详细信息

关键词： Opening serving Exchange

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Increasing phosphorus fertilizer value of recycled iron phosphates by prolonged flooding and organic matter addition

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Pedosphere 2024年第3期34卷 631-640页

作者： Rochelle Joie SARACANLAO Hannah VAN RYCKEL Mieke VERBEECK Maarten EVERAERT Erik SMOLDERS Division of Soil and Water management Department of Earth and Environmental ScienceKU LeuvenKasteelpark Arenberg 20Heverlee B-3001(Belgium) Soil Service of Belgium.Willem De Croylaan 48 Leuven 3001(Belgium)

Iron(Fe)minerals are commonly used to remove phosphorus(P)from waste streams,producing P-loaded Fe(Ⅲ)oxides or Fe(Ⅱ)phosphate minerals(e.g.,vivianite).These minerals may be used as fertilizers to enhance P circularity if solubilized in ***,we tested the P fertilizer value of recycled Fe phosphates(FePs)in a pot trial and in an incubation experiment,hypothesizing that P release from FePs is possible under Fe(Ⅲ)-reducing ***,a pot trial was set up with rice(Oryza sativa)in all combinations of soil flooding or not,three P-deficient soils(acid,neutral,and calcareous),and six FePs(three Fe(Ⅲ)Ps and three Fe(Ⅱ)Ps)referenced to triple superphosphate(TSP)or zero *** P uptake responded to TSP application in all treatments but only marginally to *** redox potential did not decrease to-200 mV by flooding for a brief period(13 d)during the pot trial.A longer incubation experiment(60 d)was performed,including a treatment of glutamate addition to stimulate reductive conditions,and P availability was assessed with CaCl_(2)extraction of *** addition and/or longer incubation lowered soil redox potential to<-100 *** the longer term,Fe(Ⅲ)minerals released P,and adequate P was reached in the calcareous soil and in the neutral soil amended with Fe(Ⅲ)*** can be concluded that prolonged soil flooding and organic matter addition can enhance the P fertilizer efficiency of ***,application of FeP in powder form may enhance P availability.

关键词： agronomic efficiency circular economy P-loaded Fe(Ⅲ)oxides paddy soil vivianite redox

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The International Order in 2023: Entering an “Era of Uncertainty”

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和平与发展 2024年第1期 210-216页

作者： Gao Fei department of Diplomacy and Foreign Affairs management

With the accelerated evolution of the global transformation unseen in a century,the year of 2023 came to an end amid turmoil and uncertainty in the *** crisis in Ukraine was not resolved,the Palestinian-Israeli conflict resumed,the world economy was in a downturn,and the restructuring of global industrial and supply chains was *** the“scar eff ect”of the COVID-19 pandemic,the world entered a new normal of political turmoil and economic *** change of the times and the transformation of the international system and order are the root causes of turbulence in the contemporary *** in the world do not want to go to a“new Cold War”,but it is diffi cult to return to the“old-day cooperation”.With the call for“cool war”and“cold peace”rising,the international order has entered an“era of uncertainty”.

关键词： peace return resume

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Digital Revolution and Job Quality of Lower Class Workers: Quasi-experimental Evidence from the Broadband China Program

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China & World economy 2024年第4期32卷 146-178页

作者： Xiumei Wang Ye Jiang Famin Yi School of Business Fuyang Normal UniversityChina department of Economics Dickinson CollegeUSA School of Economics and management South China Agricultural UniversityChina

This study examines the impact of the digital revolution on the job quality of workers with a specific focus on those at the lowest end of the spectrum in China's domestic labor market. Leveraging exogenous timing variations that result from the implementation of the Broadband China Program across different cities, it provides quasi-experimental evidence concerning the effects of the digital revolution on the job quality of lower class workers, particularly rural–urban migrant workers. Using data from China Migrants Dynamic Survey, this study reveals that migrants' comprehensive job quality index increased by 0.0138 (5.33 percent), and its component indices experienced positive effects after the Broadband China Program was implemented. This study also investigates heterogeneous policy treatment effects among workers with diverse demographic and occupational characteristics. Underlying mechanisms are considered, including positive macroeconomic shocks, increased social interactions, and Internet use. In particular, migrants' attitudes toward local settlement became more positive, suggesting that the positive effects of the digital revolution on livelihood lasted for some time. Taking China as an example, this study contributes valuable empirical evidence of how the digital revolution can affect lower class workers' employment or living conditions in a developing country. Related policy implications are also considered.

关键词： Broadband China Program digital revolution job quality lower clas workers rural-urban migrants

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Catalysts or Barriers?The Impacts of Natural Disasters on Internal Labor Migration in China

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China & World economy 2024年第2期32卷 160-199页

作者： Xingyu Zhou Liu Han Jidong Chen department of Political Science University of RochesterUS School of Finance Zhongnan University of Economics and LawChina School of Public Policy and management Tsinghua UniversityChina

This paper discusses ways in which negative economic shocks captured by natural disasters can shape internal labor migration in *** impact of negative economic shocks on migration depends on the combination of two opposite driving forces:(i)negative economic shocks can make staying in the affected area less profitable,thus enhancing returns to migration;(ii)the shocks can make it more difficult to migrate out,thus inducing a higher fixed cost of *** on a nationwide dataset of China,this paper shows that when natural disasters were not severe,they caused migration out of rural *** sufficiently severe damage,however,the negative effect of natural disasters could be mitigated by villages'prior migrant ***,with a severe shock,only clan members were able to migrate in response to natural disasters and enjoyed the complementary effects of prior migrant networks,as they could receive more help from social capital.

关键词： family clans internal labor migration migrant networks natural disasters

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Spatial distribution of shallow landslides caused by Typhoon Lekima in 2019 in Zhejiang Province, China

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Journal of Mountain Science 2024年第5期21卷 1564-1580页

作者： CUI Yulong YANG Liu XU Chong ZHENG Jun School of Civil Engineering and Architecture Anhui University of Science and TechnologyHuainan 232001China National Institute of Natural Hazards Ministry of Emergency Management of ChinaBeijing 100085China department of Civil Engineering Zhejiang UniversityHangzhou 310058China

In recent years, the coastal region of Southeast China has witnessed a significant increase in the frequency and intensity of extreme rainfall events associated with landfalling typhoons. The hilly and mountainous terrain of this area, combined with rapid rainfall accumulation, has led to a surge in flash floods and severe geological hazards. On August 10, 2019, Typhoon Lekima made landfall in Zhejiang Province, China, and its torrential rainfall triggered extensive landslides, resulting in substantial damage and economic losses. Utilizing high-resolution satellite images, we compiled a landslide inventory of the affected area, which comprises a total of 2,774 rainfallinduced landslides over an area of 2965 km2. The majority of these landslides were small to mediumsized and exhibited elongated, clustered patterns. Some landslides displayed characteristics of high-level initiation, obstructing or partially blocking rivers, leading to the formation of debris dams. We used the inventory to analyze the distribution pattern of the landslides and their relationship with topographical, geological, and hydrological factors. The results showed that landslide abundance was closely related to elevation, slope angle, faults, and road density. The landslides were predominantly located in hilly and low mountainous areas, with elevations ranging from 150 to 300 m, slopes of 20 to 30 degrees, and a NE-SE aspect. Notably, we observed the highest Landslide Number Density(LND) and Landslide Area Percentage(LAP) in the rhyolite region. Landslides were concentrated within approximately 4 km on either side of fault zones, with their size and frequency negatively correlated with distances to faults, roads, and river systems. Furthermore, under the influence of typhoons, regions with denser vegetation cover exhibited higher landslide density, reaching maximum values in shrubland areas. In areas experiencing significantly increased concentrated rainfall, landslide density also showed a corr

关键词： Typhoon rainfall Landslide characteristics Spatial distribution Southeast coastal region

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Stepwise multiple regression method of greenhouse gas emission modeling in the energy sector in Poland

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Journal of Environmental Sciences 2015年第4期27卷 47-54页

作者： Alicja Kolasa-Wiecek department of Economics and Regional Research Faculty of Economy and Management Opole University of Technology

The energy sector in Poland is the source of 81% of greenhouse gas（GHG） emissions. Poland,among other European Union countries, occupies a leading position with regard to coal consumption. Polish energy sector actively participates in efforts to reduce GHG emissions to the atmosphere, through a gradual decrease of the share of coal in the fuel mix and development of renewable energy sources. All evidence which completes the knowledge about issues related to GHG emissions is a valuable source of information. The article presents the results of modeling of GHG emissions which are generated by the energy sector in Poland. For a better understanding of the quantitative relationship between total consumption of primary energy and greenhouse gas emission, multiple stepwise regression model was applied. The modeling results of CO2 emissions demonstrate a high relationship（0.97） with the hard coal consumption variable. Adjustment coefficient of the model to actual data is high and equal to 95%. The backward step regression model, in the case of CH4 emission, indicated the presence of hard coal（0.66）, peat and fuel wood（0.34）, solid waste fuels, as well as other sources（- 0.64） as the most important variables. The adjusted coefficient is suitable and equals R2= 0.90. For N2 O emission modeling the obtained coefficient of determination is low and equal to 43%. A significant variable influencing the amount of N2 O emission is the peat and wood fuel consumption.

关键词： Greenhouse gases Burning of fossil fuels Energy sector Backward stepwise regression modeling

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