To What Extent Does the Market Price of Imported Fishmeal Affect the Market Price of Pisciculture Products in Japan？ The Case of Yellowtail and Sea Bream

This study investigates the extent of the influence of imported fishmeal price changes on the market price of pisciculture products. To date, there have been only a few insufficient researches on this topic in Japan. This paper aims to reveal the causality relationship between the market price of imported fishmeal and the market price of pisciculture products using the granger causality test, and to simulate the market price of pisciculture products using impulse response functions as the price of imported fishmeal increases. The results of the granger causality test and impulse response function analyses were as follows： （1） there is a market linkage from the price of imported fishmeal to the market price of sea bream, but no causality with the market price yellowtail; and （2） this has a positive impact on the market price of sea bream when the price of imported fishmeal changes. Moreover, spillover effects were noticed in this simple scenario （at a market price of 800 yen/kg and one unit shock of 1 yen） of about 3 yen/kg.

AR Model Based on Time Series Modeling for Predicting Egg Market Price in 2021

Eggs,as a meat consumer product in China,are closely related to the vegetable basket project.Exploring and predicting the future trend of egg market price is of great significance for stabilizing egg price and market supply.In this study,the time series AR model was used for fitting the egg market prices in the 66 d from January 1 to March 7,2021,and the delay operator nlag18 was used for white noise test,giving pr>probability of chisq<0.005.The time series was not a white noise series,and then the stationary series was used for modeling.The optimal model was selected as the AR series(BIC(3,0)),and finally,the egg market price model AM was obtained as X_(t)=9.0556+(1+0.8926)ε_(t),which was the optimal model.The model showed that the egg price fluctuations in 2021 will be clustered,and the later price will be significantly affected by external factors in the previous period.The dynamic prediction results of the model showed that the egg price would stop falling in March 2020,and the egg price would continue to slow down in March.

Determinants of market price of stock： A study on bank leasing and insurance companies of Bangladesh

Financial firms make up a substantial fraction of the domestic equity market. A number of studies subsequently used different conceptual and methodological approaches to model equity return of financial services firms. Movement of the stock price as the consequence of the movement of the micro and macroeconomic factors is strongly supported by the literature review. Dhaka Stock Exchange in Bangladesh is inefficient in weak form. Multiple regression analysis is conducted to find out the relationship microeconomic factors with the stock price. In this study found a significant linear relationship among market return and some microeconomic factors such as net asset value per share, dividend percentage, earning per share of bank leasing and insurance companies. Also found non-linear relationship among the variables is insignificant at 95 percent level of significance.

Rice quality in relation to market prices in Yunnan Province

Factors affecting rice quality and their impacts on market price were investigated in this study. On-farm survey and market survey was undertaken in three selected sites namely Kunming, Dali, and Xishuangbanna in Yunnan Province, China. Market sampling was conducted to determine important rice quality characteristics. Sixty milled rice samples were collected from domestic markets of the three sites during a period of Mar to Apr in 1994. The grain physicochemical properties of the milled rice samples were analyzed on the basis of Chinese Agricultural Ministry Standard for testing rice quality. A hedonic price model (implicit price model) was further employed to quantify relationships between quality characteristics and market prices of rice. The model can be expressed mathematically as the following function (1) This function shows that the average price paid by consumer for different grades of rice with attribute Xj. Using the ordinary least square (OLS) regression of observed market prices on measures

Economic Assessment of Selected Regulatory Ecosystem Services (RES) in the Elgeyo and Nyambene Watersheds Ecosystems in Kenya

Evidence of increased valuation of ecosystem services (ES) globally is significant. However, most of these studies focus on marketed subsets of ES at national and international levels. Ecosystems differ in spatial scale, biophysical and ecological structure, and functionality. This requires conducting studies at the local level to understand how, for example, the watershed ecosystem contributes to humanity locally and nationally. This study focuses on selected regulatory ecosystem services (RES) in Kenya’s catchment area ecosystems (Elgeyo and Nyambene). Field-based sampling and Landsat imagery with secondary information were used to generate biophysical and ecological data. The study used market price-based, cost-based, and unit transfer methods for RES valuation. The study estimates the total value of the six selected regulatory ecosystem services (RES) at KES 41.4 billion (US$386.7 million) and KES 14.73 billion (US$137.71 million) for Elgeyo and Nyambene, respectively. This equates to KES 1.64 million (US$15,331.19) and KES 2.72 million (US$25,375) per hectare per year. Extrapolating the study estimates to the national level, the country’s regulatory ecosystem services would range from US$18.4 billion to US$30.45 billion annually. This equates to between 16.7% and 27.7% of Kenya’s GDP in 2021, underscoring the importance of watersheds to the national economy.

Seminar on“Cotton Price and Market”Outlook and Expectation for 2011

Sponsored by Cotton Council International and co-organized by the Hong Kong Association of Textile Bleachers,Dyers,Printers and Finishers and the Hong Kong Cotton Spinners Association,the seminar on"Cotton Price and Market:Outlook and Expectation for 2011"was held at the Clothing

Cotton Market Fundamentals ＆ Price Outlook

Recent price movement All benchmark prices except the CC Index increased over the past month.Prices for the March NY futures contract surged in late December,rising from75 cents/lb to just below 80 cents/lb.Following that round of increases,

有效市场、有为政府与深化能源体制革命

能源体制革命是能源安全新战略的组成部分。本文从市场建设、价格改革、管理优化、法治完善等方面,梳理了2014年“四个革命、一个合作”能源安全新战略,此战略提出后我国深入推进能源体制改革,本文分析了新形势下深化能源体制改革面临的新要求,对进一步深化能源体制改革进行了探论和建议。

Pricing Decision Support System for Generation Companies in Electricity Market

In order to meet the requirement of separating power plants from power network and that of the competition based power transaction in power market, the pricing decision support system for generation companies (GCPDSS) is built in electricity market. This paper introduces the conception of intelligent decision support system (IDSS) and puts emphasis on the systematical structural framework, work process, design principal, and fundamental function of GCPDSS. The system has the module to analyze the cost, to forecast the demand of power, to construct the pricing strategies, to manage the pricing risk, and to dispatch giving the pricing strategies. The case study illustrates that the friendly window-based user interface of the system enables the user to take full advantage of the capabilities of the system in order to make effective real-time decisions.

考虑灵活调节需求的容量市场出清模型与定价方法

新能源占比的提升使得电力系统对灵活调节资源的需求显著增加,而传统容量市场仅以保障负荷峰值时段的系统充裕度为目标,仍可能存在因灵活调节能力不足而导致电力供应短缺的情况。为此,提出考虑灵活调节需求的容量市场鲁棒优化出清模型与定价方法,给出不同类型资源的结算规则,并验证所提出的容量市场机制能够满足社会效率、收支平衡、个体理性、激励相容等性质。最后,采用IEEE 118节点系统进行算例验证。结果表明,所提出的容量市场机制能够同时保障负荷峰值时段系统充裕度与灵活调节能力的充裕度,合理刻画灵活调节资源的容量价值,有效区分不同类型资源的有效容量贡献与引起灵活调节需求的责任,有助于引导新能源机组平抑出力不确定性波动,激励灵活性资源提供容量满足系统灵活调节需求。

跨国跨州/跨省跨区输电定价机制及对中国专项工程定价的启示

中国资源禀赋和能源需求呈逆向分布,促进新能源资源在更大范围的优化配置是中国新型电力系统建设的内在要求。跨省跨区输电价格作为跨省跨区电力交易价格的重要组成部分,其定价机制的合理性不仅会影响输电工程投资成本的合理回收,还会影响电力市场竞争效率乃至资源在更大范围内优化配置。为此,在梳理中国及欧洲、美国典型电力市场跨省跨区和跨国跨州输电工程现状的基础上,对国际典型电力市场跨国跨州和跨市场输电定价机制的历史沿革和发展情况进行梳理,探究影响跨国跨州和跨市场输电定价的关键因素,并结合中国跨省跨区专项工程输电定价机制的发展沿革,分析了中国现行的跨省跨区专项工程输电定价机制在新型电力系统和全国统一电力市场体系建设的背景下将面临的问题,提出对中国跨省跨区专项工程输电定价的启示与未来发展方向。

电力体制改革回顾与展望

2014年,在能源安全新战略的指引下,我国电力体制改革取得了新的突破。本文聚焦从新一轮电力体制改革至今取得的历史性成就,总结回顾电力体制改革的时代背景与战略要求,从输配电价改革、电力市场建设、竞争性环节电价放开、配售电改革、交易机构规范运行、电力科学监管等方面,系统评估电力体制改革取得的积极进展与显著成效,并围绕碳达峰碳中和目标、新型电力系统建设等新形势新要求,展望新征程上进一步深化电力体制改革的可行路径。

高水平社会主义市场经济体制:理论逻辑、目标指向与路径对策

新时代以来,全面深化经济体制改革并构建高水平社会主义市场经济体制成为推动我国经济高质量发展的关键性课题。基于对社会主义市场经济体制的理论探析,以及对中国特色社会主义市场经济发展历程的梳理,研究认为,构建高水平社会主义市场经济体制应在夯实坚持党的核心领导、公有制和多种所有制共同发展、政策调控与市场激励相结合等社会主义市场经济体制基本要求的基础上,进一步确保多种所有制经济活力更强、价格机制反应的灵敏度更高、政策引导调控的靶向更准,其目标得以实现,关键则在于要不断提升党和政府执政能力、持续完善要素配置体制机制、更加优化产权权能结构体系、坚持创新服务供给技术平台、聚力营造共建共享营商环境等。

国际碳市场发展及对油气行业的影响分析

国际碳市场自1997年起步以来发展迅速,截至2023年末,全球已建成36个不同级别的碳市场,覆盖99亿吨二氧化碳当量,占全球温室气体排放量的18%以上。碳市场在全球温室气体控排中发挥的作用越来越重要,已成为世界各国应对气候变化的主要政策工具之一。随着碳市场逐渐向主要油气资源国拓展、覆盖范围不断扩大,油气行业面临更大的减排和成本上升压力,全球油气投资和贸易格局也将重塑。未来油气行业应继续深度参与全球气候治理,积极采取行动应对气候变化,塑造行业绿色低碳新形象,保持行业竞争力,同时,加强低碳技术合作,推动行业减排标准和方法学制定与完善。油气企业需要加速低碳转型,努力实现产业链和产品深度脱碳,并密切关注全球碳定价政策变化,将碳成本纳入项目投资决策,加强碳资产和碳价格风险管理。

现货市场中实现保供目标的容量补偿定价方法

为解决电力现货市场环境下的电力系统装机充裕度不足的问题,提出一种实现电力系统保供目标的容量补偿定价方法。首先,根据保供要求的电力系统可靠性标准,构建基于内部收益率评估的机组投资、退役决策模型;其次,通过“机组电能市场收入评估、机组容量补偿收入评估、投资退役决策”的迭代,确定目标年份市场中分类型机组的预期装机;然后,计算目标年份的可靠性指标,根据可靠性指标与标准的偏差调整容量补偿价格,使得发电充裕度能够满足目标年份系统的可靠性标准。算例结果表明,所提定价方法能够在保证电力系统可靠性的基础上,降低电力用户的综合购电成本。

注册制新股发行市场化改革成效及优化研究——基于市场化定价效率视角

注册制下新股发行市场化定价的合理性,应考察公司首发价格是否反映公司的内在价值、行业前景、成长与发展等关键要素。文章回顾了我国证券市场的发展历程,对三大股票发行制度进行比较。继而以全面注册制改革为背景,研究分析其新股发行定价机制、市场化定价效率现状。通过对影响我国市场化定价效率的诸多因素研究,得出主要影响因素,如新股发行时存在的代理问题、承销商有待加强的定价能力和自我约束能力、机构投资者的非理性交易行为等,进而为我国证券市场发展提出建议:第一,提高注册制下新股发行的信息披露质量;第二,压严压实中介机构责任;第三,提升承销商定价能力与自我约束能力;第四,加强投资者教育和投资者保护。

注册制改革对创业板IPO定价效率的影响

基于2018年8月24日至2022年11月24日期间数据,运用混合截面双重差分模型进行实证检验,验证注册制改革对创业板IPO定价效率的影响。实证结果表明,创业板注册制改革在短期内催涨“炒新”投机情绪,抑制了创业板IPO的定价效率;但从长远来看,注册制改革显示出积极的激励作用。异质性检验结果表明,注册制改革在低承销商声誉组和低筹资金额组样本中发挥更为显著的正向激励作用。上述结论说明注册制改革并未解决信息不对称问题,承销商功能仍未得到市场和投资者认可。鉴于此,建议政府和监管机构完善定价机制及引导投资者结构优化,以遏制短期内的投机行为,确保注册制改革维护市场稳定的长期目标得以实现。

源网荷储一体化价格政策的研究

源网荷储一体化策略在电力系统的经济性、稳定性以及可持续性中发挥着重要作用。聚焦于源网荷储一体化价格政策,旨在通过定量分析和模型构建,探讨影响价格政策的关键因素,以及这些政策对电力市场和终端用户的潜在影响。结果表明,合理的价格政策能有效激励源网荷储一体化项目的发展,提升电力系统的效率和灵活性。

电改背景下电力营销的电价管理机制研究

随着我国工业化与城市化进程的不断推进,居民生产生活对电能的需求急剧地增加,使得我国电力企业的发展也随着面临着巨大电能供给挑战,并且电力能源作为我国经济增长与社会发展过程中重要的物质基础,因此,为了保证居民使用电能供电的稳定性与经济性,提高电力企业的市场竞争力,国家相关电力管理部门提出了电力体制改革。在电力体制改革过程中,电价的管理机制是电力改革的核心内容,关系着电力市场电力营销的发展前景。基于电改背景下,电力企业要充分重视电力营销过程中电价管理机制的建立与优化。为此,简要介绍了现阶段我国电力体制改革的主要内容,根据相关建议与要求,提出了电费电价分析法,并对电费电价分析法在电力营销中的应用进行了深入的探究,以期为促进我国电力体制改革提供有效的借鉴。