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21.
We study the behavior of U.S. natural gas futures and spot prices on and around the weekly announcements by the U.S. Energy Information Administration of the amount of natural gas in storage. We identify an inverse empirical relation between changes in futures prices and surprises in the change in natural gas in storage and that this relation is not driven by the absolute size of the surprise. The evidence also indicates prices react first in the futures market for natural gas with that information then flowing to the spot market. Post 2005, corresponding to a period of significant increases in the production of natural gas in the United States, the response of prices to storage surprises was larger in absolute value. No evidence is found of economically meaningful reactions to the surprise other than on the date the storage news is released. The results demonstrate the importance of fundamental information in the formation of natural gas prices. 相似文献
22.
Accounting instructors face numerous challenges in structuring and teaching accounting classes. This paper describes the experience of redesigning classes in an introductory accounting course to follow the format of team training sessions in the sport of soccer. The soccer format includes six sections: warm‐up, balance/agility/coordination, skill/technique, simplified small game, game, and cooldown. We explain how the activities in each of these sections can be translated into parts of a class session. While adopting this format requires instructors to invest time in preparation and to be flexible and responsive when facilitating classes, informal results indicate that this class format is rewarding for both instructor and students and that it enhances student performance and experience. We suggest that elements of this class format could be successfully adopted for courses in other business subjects, and in nonbusiness disciplines. 相似文献
23.
Stephen P. McKenna Alice Heaney Jeanette Wilburn A. Jackson Stenner 《Journal of medical economics》2019,22(6):516-522
AbstractPatient-reported outcome measures (PROMs) are used to collect information directly from patients. They may cover several different types of outcomes ranging from symptoms, functioning, utility, satisfaction, through to quality-of-life (QoL). They generally consist of self-completed questionnaires that can be administered by means of hard copies or in a range of electronic formats. PROMs vary considerably in terms of the constructs they assess, the care with which they are developed, and their scientific quality. However, none of the PROMs available approach the quality of measurement achieved by measures/instruments used in physics. PROs are examples of latent variables. These are not directly observable, but can be inferred from, for example, responses to a questionnaire. The only measure of a latent variable that approaches the quality of measurement achieved by the physical sciences is the Lexile Framework for Reading. This framework is based on a construct theory that grew out of an analysis of several available reading measures. A specification equation was generated that was able to link the construct theory to scores obtained with the Lexile measure. A fundamental requirement of this quality of measurement is that the data collected with the model fit Rasch Measurement Theory (RMT). It is argued that PROM developers should aspire to match this level of measurement sophistication if their instruments are to provide valid insights into the impacts of disease and its treatment. 相似文献
24.
A study on factors affecting privacy risk tolerance to prevent the spread of COVID-19 in South Korea
《Business Horizons》2021,64(6):735-741
South Korea has been evaluated as a country that is responding well to COVID-19. The Government of the Republic of Korea discloses where, when, and by which means of transportation people confirmed to have the virus have visited. Although disclosure of movement has contributed to flattening the curve and providing timely medical service, concerns about privacy infringement have also been raised. This article determines what factors influence privacy risk tolerance, looking specifically at threat severity, vulnerability, response efficacy, and response cost. We also provide implications for the preparation of better countermeasures for the government to implement. 相似文献
25.
Using data on household consumer durables from the Asian Barometer Survey, this paper examines the evolution of inequality, poverty and welfare in six countries of South East Asia: Cambodia, Indonesia, Malaysia, the Philippines, Thailand and Vietnam. We start by deriving the most common order of acquisition of these durables, using first an algorithm proposed by Paroush (1965), and then Item Response Theory. We also compute the frequency distribution of the number of durables owned by households. We then use these results to compute inequality, poverty and achievement or welfare indices adapted to the case of ordinal variables.Our empirical results confirm the existence of an order of acquisition. The results show that inequality was higher in Cambodia, Indonesia and the Philippines and lower in Vietnam, Thailand and Malaysia. A similar classification of countries was obtained when computing multidimensional poverty indices.Finally, using the welfare or achievement index recently introduced by Apouey et al. (2019), we found that welfare was generally higher in Vietnam, Thailand and Malaysia and lower in Cambodia, Indonesia and the Philippines. 相似文献
26.
Topi Miettinen Olli Ropponen Pekka Sääskilahti 《The Scandinavian journal of economics》2020,122(4):1535-1574
We study a bilateral negotiation set-up where, at a bargaining impasse, the disadvantaged party chooses whether to escalate the conflict or not. Escalation is costly for both parties, and it results in a random draw of the winner of the escalated conflict. We derive the behavioral predictions of a simple social utility function, which is convex in disadvantageous inequality, thus connecting the inequity aversion and the prospect theory models. Our causal laboratory evidence is, to a large extent, consistent with the predicted effects. Among other things, the model predicts that the escalation rate is higher when escalation outcomes are riskier, and that the disagreement rate is lower when the cost of escalating the conflict is higher. 相似文献
27.
《Contaduría y Administración》2015,60(1):261-282
The purpose of our study is to know whether the efforts carried out by the Mexican Council for Financial Information managed to reduce the differences in the calculation of the Mexican accounting reports and those calculated under American principles (US GAAP) in the period 1997-2010. To achieve the objectives set out, we analyzed 230 20-F reports that correspond to 27 Mexican companies listed in the New York Stock Exchange. The results obtained in the implementation of the linear regression models show the existence of certain factors that explain the degree of comparability of fundamental accounting variables obtained under Mexican GAAP and US GAAP. 相似文献
28.
Fei Xu Mian Yang Qiangyi Li Xiaolei Yang 《Business Strategy and the Environment》2020,29(6):2251-2264
In this study, we aim to investigate the long‐term economic consequences of corporate environmental responsibility (CER) by companies from the perspective of earnings persistence and investors' response. Based on firm‐level data of 1,010 heavily polluting listed companies in China, the empirical results are as follows. First, the CER of China's heavily polluting listed companies has significantly improved their earnings persistence, that is, earnings quality. Second, the positive long‐term economic effect of CER has been achieved through two paths: improving companies' operational efficiency and reducing their credit costs. Third, CER increases investors' response to heavily polluting companies' accounting earnings. Moreover, state‐owned listed companies achieve more significant positive long‐term economic effects from CER than others. The results suggest that heavily polluting companies should correctly identify the long‐term value of CER rather than pay excessive attention to the impact of CER on their current costs and benefits. 相似文献
29.
江苏省商业经济学会课题组 《江苏商论》2020,(2):3-5
2019年底、2020年初,一场猝不及防的新冠肺炎(NCP)病毒突袭我国的武汉地区。在地点上,武汉地区是京广线的重要节点城市,长江水运与京广铁路构成中国交通十字形的重要枢纽;在时间上,正逢中国传统春节,是中国节日经济的一个重要时期。病毒的“精准投放”并蔓延,在全国造成了严重后果,使全国上下纷纷动员进行应对,造成社会生活的暂停和群众生活的困难,对我国经济发展产生了重大影响,江苏商贸流通业也不例外地受到重创。江苏在中央的英明领导下进行了坚决的防治,商贸流通业也做了大量的工作,后期将继续做好止损增销工作。 相似文献
30.
汪炜 《广东财经职业学院学报》2014,(4):87-95
随着跨国公共卫生安全在全球治理中分量日益加重,流行病应急响应(Epidemic preparedness and response)的国际合作逐步被提上了全球日程。2005年,人感染高致病性禽流感在全球范围内的大规模传播,国际社会尤其是联合国领导下的相关组织如何构建防疫机制来应对这一形势成为焦点。经过多年的努力,联合国领导下的禽流感防疫机制日臻完善,该机制主要包括核心领导机构、法理基础、重要应急措施以及相关国际行为体参与4个方面。同时,该机制的有效性与局限性并存,值得引起人们的注意。 相似文献