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Financial and non-financial determinants of the indebtedness of hospitals:the case of Poland

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Journal of Management Analytics 2024年第1期11卷 26-44页

作者： Katarzyna Miszczyńska Elżbieta Antczak department of Banking Faculty of Economics and SociologyUniversity of LodzLodzPoland department of Spatial Econometrics Faculty of Economics and SociologyUniversity of LodzLodzPoland

The performance of Polish healthcare is still far from satisfactory,which is connected with growing indebtedness that adversely affects not only the development of healthcare but also the quality of medical services *** turn,the financial situation of hospitals depends on various indicators and the relationship between *** paper investigates the determinants of healthcare sector functioning in the context of hospitals’financial situation(dependent variable measured by total debt ratio).321 individual public units were examined between years 2007–*** specifically,the fixed effects panel data model in question measures and evaluates the impact of economic,regional,institutional,and social factors in determining the dependent *** study confirmed dependencies between financial and non-financial ratios along with their impact on the financial condition of studied *** management implications of our study lay the groundwork for the improvement of efficient resource management for public hospitals.

关键词： polish healthcare system hospitals’financial situation debt ratio panel data analysis

Women’s empowerment and food consumption:Evidence from female-headed households in Tanzania

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Journal of Integrative Agriculture 2024年第2期23卷 457-467页

作者： Mosses Lufuke Xu Tian College of economics and Management Nanjing Agricultural UniversityNanjing 210095China department of economics The University of DodomaDodoma 41218Tanzania College of economics and Management China Agricultural UniversityBeijing 100083China Academy of Global Food economics and Policy China Agricultural UniversityBeijing 100083China

Despite the growing recognition of women’s increasing role in the household and corresponding empowerment programs in sub-Saharan Africa,intensive research on the relationship between women’s influence and household food consumption is *** the most recent(2017-2018)national household survey data from Tanzania,this study examined the influence of women’s empowerment on household food ***,we compared the monthly consumption of eight food categories between female-headed households(FHHs)and male-headed households(MHHs)using both descriptive statistics and the propensity score matching(PSM)***,we adopted the two-stage Linear Expenditure System and Almost Ideal Demand System model(LES-AIDS)to estimate income and price elasticities for the two household *** results show that FHHs consume bread and cereals,fish,oils and fats,vegetables,and confectionery(sugar,jam,honey,chocolate,etc.)more than ***,FHHs have a significantly higher income elasticity of demand for all food groups than *** are also more price elastic than MHHs in meat,fish,oils,fats,sugar,jam,honey,chocolate,etc.

关键词： women’s empowerment food consumption income elasticity price elasticity

Tracking the change in Spanish greenhouse gas emissions through an LMDI decomposition model:A global and sectoral approach

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Journal of Environmental Sciences 2024年第5期139卷 114-122页

作者： Paula Fernández González María José Presno Manuel Landajo department of Applied economics University of OviedoAuda del Cristos/n 33011 OviedoSpain

The reduction of GHG emissions to reverse the greenhouse effect is one of the main challenges in this *** this paper we pursue two ***,we analyze the evolution of GHG emissions in Spain in 2008–2018,at both the global and sectoral levels,with the variation in emissions decomposed into a set of determining ***,we propose several actions specifically oriented to more tightly controlling the level of *** results showed a remarkable reduction(18.44%)in GHG emissions,mainly due to the intensity effect,but also to the production-per-capita *** detected somewhat different patterns among the various sectors *** the intensity effect was the most influential one in the agricultural,transport,and others sectors,the production-per-capita effect was predominant in the case of *** carbonization effect was revealed as crucial in the commerce *** above findings highlight the importance of the energy efficiency measures taken in recent years in the Spanish economy,also pointing to the need to deepen those strategies and to propose new measures that entail greater efficiency in *** efforts in areas like innovation,R&D,diffusion of more eco-friendly technologies,and a greater use of greener energies all prove to be essential reduction actions to fight the greenhouse effect.

关键词： LMDI Decomposition Spain GHG emissions

Whether to Abolish or Introduce Dual Regulation as Trade and Environmental Policy?

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China & World Economy 2024年第1期32卷 57-95页

作者： Yoshihiro Hamaguchi department of economics Faculty of Economics and Business AdministrationKyoto University of Advanced ScienceJapan

China,which has already introduced an environmental tax in an effort to decarbonize,has recently begun emissions trading and is using two environmental policies in tandem,but there are concerns about the impact on growth and *** and environmental policies affect firms'entry and exit,resulting in changes in aggregate productivity and pollution *** study compares the impacts of single regulation and dual regulation on welfare,using a research-and-development based growth model with heterogeneous *** single regulation,the cleansing effect of trade liberalization could be *** dual regulation,trade liberalization decreases pollution and improves average productivity whereas decreasing total permits reduces *** the perspective of improving welfare it is desirable to choose dual regulation because trade liberalization can reduce total pollution emissions via the cleansing effect of trade liberalization.

关键词： dual regulation heterogeneous firm Porter hypothesis research and development difficulty trade liberalization

Invasive ant learning is not affected by seven potential neuroactive chemicals

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Current Zoology 2024年第1期70卷 87-97页

作者： Henrique Galante Tomer J.Czaczkes department of Zoology and Evolutionary Biology Animal Comparative Economics LaboratoryUniversity of Regensburg93053 Regensburg Germany

Argentine ants Linepithema humile are one of the most damaging invasive alien species *** or disrupting cognitive abilities,such as learning,has the potential to improve management efforts,for example by increasing preference for a bait,or improving ants'ability to learn its characteristics or ***-feeding insects are often the victims of psychoactive manipulation,with plants lacing their nectar with secondary metabolites such as alkaloids and non-protein amino acids which often alter learning,foraging,or ***,the effect of neuroactive chemicals has seldomly been explored in ***,we test the effects of seven potential neuroactive chemicals-two alkaloids:caffeine and nicotine;two biogenic amines:dopamine and octopamine,and three nonprotein amino acids:β-alanine,GABA and taurineon the cognitive abilities of invasive *** using bifurcation *** results confirm that these ants are strong associative learners,requiring as little as one experience to develop an ***,we show no short-term effect of any of the chemicals tested on spatial learning,and in addition no effect of caffeine on short-term olfactory *** lack of effect is surprising,given the extensive reports of the tested chemicals affecting learning and foraging in *** mismatch could be due to the heavy bias towards bees in the literature,a positive result publicationbias,ordifferences inmethodology.

关键词： associativelearning caffeine memory neuroactivechemicals

SHA: QoS-Aware Software and Hardware Auto-Tuning for Database Systems

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Journal of Computer Science & Technology 2024年第2期39卷 369-383页

作者：李进陈全唐晓新过敏意 department of Computer Science Shanghai Jiao Tong UniversityShanghai 200240China department of Computer Science and Technology Shanghai University of Finance and EconomicsShanghai 200433China

While databases are widely-used in commercial user-facing services that have stringent quality-of-service(QoS)requirement,it is crucial to ensure their good performance and minimize the hardware usage at the same *** investigation shows that the optimal DBMS(database management system)software configuration varies for different user request patterns(i.e.,workloads)and hardware *** is challenging to identify the optimal software and hardware configurations for a database workload,because DBMSs have hundreds of tunable knobs,the effect of tuning a knob depends on other knobs,and the dependency relationship changes under different hardware *** this paper,we propose SHA,a software and hardware auto-tuning system for *** is comprised of a scaling-based performance predictor,a reinforcement learning(RL)based software tuner,and a QoS-aware resource *** performance predictor predicts its optimal performance with different hardware configurations and identifies the minimum amount of resources for satisfying its performance *** software tuner fine-tunes the DBMS software knobs to optimize the performance of the *** resource reallocator assigns the saved resources to other applications to improve resource utilization without incurring QoS violation of the database *** results show that SHA improves the performance of database workloads by 9.9%on average compared with a state-of-the-art solution when the hardware configuration is fixed,and improves 43.2%of resource utilization while ensuring the QoS.

关键词： auto-tuning database configuration joint tuning utilization quality-of-service(QoS)

Preserving environmental quality of ecotourism sites through community participation in Purulia District of West Bengal,India

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Regional Sustainability 2024年第3期5卷 111-123页

作者： Piyall CHATTERJEE Soumyendra Kishore DATTA department of economics the University of Burdwan West Bengal734013India

The importance of valuing environmental resources,especially in ecotourism sites,has become increasingly important over the last two *** is now considered as an important source of livelihood of local stakeholders in backward ***,the preservation of ecotourism sites through community participation seems very important to maintain continued flow of *** study aimed at recognizing the importance of community participation for the preservation of ecotourism *** this,this study executed a survey based on non-probability sampling in two ecotourism sites(Garpanchkot and Baranti)covering 100 respondents in Purulia District,West Bengal of *** central issue of this study was to assess the tendency of community participation for the conservation of ecotourism sites and find the optimum condition for offering participatory labour *** study showed that the participation of young people is high,and the majority of respondents are aware of the importance in protecting ecotourism *** respondents were too poor to offer money,the contingent valuation method(CVM)was used to elicit their willingness to pay(WTP)participatory labour time for the conservation of ecotourism ***’age,income,education level,caste,and their perceived environmental quality had significant relationship with their WTP participatory labour time by applying the ordinary least square(OLS)*** was found that the mean WTP participatory labour time of each respondent in a month is approximately 3.64 *** significance of this study is that community participation can improve the sense of belonging,trust,and credibility of ecotourism sites,making them more appreciative of the value and protection of these sites.

关键词： Ecotourism site conservation Community participation Local stakeholders Willingness to pay Participatory labour time Ordinary least square(OLS)model Contingent valuation method(CVM)

A Two-stage Service-oriented Task Offloading Framework with Edge-cloud Collaboration:A Game Theory Approach

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Journal of Systems Science and Systems Engineering 2024年第5期33卷 521-551页

作者： Shiyong Li Wenzhe Li Huan Liu Wei Sun School of economics and Management Yanshan UniversityQinhuangdao 066004

With the fast development of Mobile Internet,data traffic generated by end devices is anticipated to witness substantial growth in the future ***,processing tasks locally will cause latency due to the limited resources of the end ***-cloud collaboration,an effective solution for latency-sensitive applications,is attracting greater attention from both industry and *** combines the advantages of the cloud center with abundant computing resources and edge nodes with low-latency *** this paper,we propose a two-stage task offloading framework with edge-cloud collaboration to assist end devices processing latency-sensitive tasks either on the edge servers or in the cloud *** for homogeneous task offloading,in the first stage,the competitive end devices offload tasks to the edge *** formulate the selfish task offloading problem among end devices as a potential *** the second stage,the edge nodes request resources from the cloud center to process end devices tasks due to their limited ***,we consider the heterogeneous task offloading problem and use intelligent optimization algorithm to obtain the optimal offloading *** results show that the service prices of edge nodes influence the decisions and task offloading costs of end *** also verify the intelligent optimization algorithm can achieve optimal performance with low complexity and fast convergence.

关键词： Edge-cloud collaboration task offloading potential game simulation annealing algorithm

Collateral Monetary Policy,Regional Financial Development,and Nonfinancial Firms'Shadow Banking Activities

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China & World Economy 2024年第5期32卷 166-196页

作者： Chao Yuan Hai Jiang Jiawen Ren Nikos Kapitsinis School of Finance Guangdong University of Finance and EconomicsChina department of Finance School of EconomicsJinan UniversityChina University of Copenhagen Denmark

The disparity in credit access between large firms and small and medium-sized enterprises contributes to the prevalence of shadow banking activities,where large,nonfinancial firms with high credit ratings have become new financial *** activities vary geographically and are afected significantly by collateral monetary *** paper examines the effect of collateral monetary policy,its reform,and regional financial development characteristics on large firms'shadow banking activities,with a focus on the medium-term lending facility(MLF),the primary collateral monetary policy instrument in *** results indicate that the MLF encouraged large firms'shadow banking ***,the MLF reform in 2018 mitigated this effect by broadening the range of acceptable *** financial development,such as a higher number of bank branches around firms,facilitated large firms'shadow banking activities and amplified the MLF's stimulating *** contrast,regional advancements in digital finance and market development limited both shadow banking activities and MLF's impact.

关键词： collateral monetary policy financial geography medium-term lending facilities shadow banking