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11.
We approximate probabilistic forecasts for interval-valued time series by offering alternative approaches. After fitting a possibly non-Gaussian bivariate vector autoregression (VAR) model to the center/log-range system, we transform prediction regions (analytical and bootstrap) for this system into regions for center/range and upper/lower bounds systems. Monte Carlo simulations show that bootstrap methods are preferred according to several new metrics. For daily S&P 500 low/high returns, we build joint conditional prediction regions of the return level and volatility. We illustrate the usefulness of obtaining bootstrap forecasts regions for low/high returns by developing a trading strategy and showing its profitability when compared to using point forecasts. 相似文献
12.
13.
This article investigates the relationship between fees for audit and non-audit services with Tobin's Q. Using a sample of Brazilian public companies in the period from 2009 to 2011, we estimate the association between Tobin's Q and the auditors' remuneration scaled by total assets. Additionally, to strengthen the conclusions, we present a second model with the remuneration of the auditors in absolute terms. The results suggest a significant relationship between Tobin's Q and audit and non-audit fees, positive and negative, respectively. Specifically, increases in audit fees and non-audit fees respectively increase and decrease the Tobin's Q of the audited company. The results of this study have important implications for those interested in good corporate governance practices. Managers and board members concerned with value carefully evaluate the remuneration and nature of services creation, when engaging independent auditors, should provided. 相似文献
14.
Yaniv Zaks PhD Esther Frostig Benny Levikson 《North American actuarial journal : NAAJ》2013,17(1):65-73
Abstract Consider a portfolio containing number of risk classes. Each class has its own demand function, which determines the number of insureds in this class as a function of the premium. The insurer determines the premiums based on the number of insureds in each class. The “market” reacts by updating the number of the policyholders, then the insurer updates the premium, and so on. We show that this process has an equilibrium point, and then we characterize this point. 相似文献
15.
The role of intellectual capital in the success of new ventures 总被引:1,自引:0,他引:1
Esther Hormiga Rosa M. Batista-Canino Agust��n S��nchez-Medina 《The International Entrepreneurship and Management Journal》2011,7(1):71-92
Identifying the factors that contribute to the success of new ventures is a difficult and challenging task. In that respect,
this paper proposes an analysis of the intellectual capital within new business ventures. Based on the study of a sample of
130 new companies, for the purpose of this work we have analysed the influence of the proposed intangible assets on the success
of newly-created organizations, acknowledging the key role of the human and relational capital in the first few years of the
life of the business. 相似文献
16.
Esther Hormiga Rosa M. Batista‐Canino Agustín Sánchez‐Medina 《Journal of Small Business Management》2011,49(4):617-638
This study seeks to highlight the key role played by relational capital in new business start‐ups. Following a review of previous research examining the success factors of new ventures and the role played by intellectual capital, our study sets out to achieve this objective by analyzing the impact of a set of intangible relational assets on the initial success of new business start‐ups. Based on a study of 130 firms, we analyzed six hypotheses regarding the possible positive relationship between the relational capital of a start‐up company and its success in its first few years of business. 相似文献
17.
Green marketing strategies: an examination of stakeholders and the opportunities they present 总被引:1,自引:0,他引:1
J. Joseph CroninJr Jeffery S. Smith Mark R. Gleim Edward Ramirez Jennifer Dawn Martinez 《Journal of the Academy of Marketing Science》2011,39(1):158-174
As green marketing strategies become increasingly more important to firms adhering to a triple-bottom line performance evaluation,
the present research seeks to better understand the role of “green” as a marketing strategy. Through an integration of the
marketing, management, and operations literatures, an investigative framework is generated that identifies the various stakeholders
potentially impacted through the environmentally friendly efforts of a firm. Specifically, the inter-connected nature of the
core business disciplines of marketing, management (both strategy and human resources), and operations are examined as controllable
functions within an organization from which strategies can be enacted to affect a firm’s stakeholders. The prior research
in these areas is examined to identify potential research opportunities in marketing while also offering a series of representative
research questions that can help guide future research in marketing. 相似文献
18.
Esther Yogev 《现代会计与审计》2008,4(10):45-51
The goal of this presentation is to examine the hypothesis that the ethno-political conflict in Israel can be utilized in history education to foster learning of historical thinking and to construct a tolerant space within the education system that will enable the structuring of in-principle criteria for coexistence prior to the ending of the conflict. I assumed that inculcation of historical knowledge in the education system in Israel by means of an attentive and reflexive cultural dialogue, which sensitively and skillfully confronts contradictory historical narratives as an everyday learning reality in class, will help structure a conciliatory consciousness of the kind we seek. 相似文献
19.
Household Determinants of the Adoption of Improved Cassava Varieties using DNA Fingerprinting to Identify Varieties in Farmer Fields: A Case Study in Colombia
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Victorino O. Floro IV Ricardo A. Labarta Luis A. Becerra López‐Lavalle Jose M. Martinez Tatiana M. Ovalle 《Journal of Agricultural Economics》2018,69(2):518-536
We examine factors affecting the adoption of improved cassava varieties of 217 households in the Cauca Department in southwest Colombia. Using DNA fingerprinting through Single Nucleotide Polymorphisms (SNPs), we identified different cultivars in farmers fields. We also used this information to remove possible bias in the adoption model that could have resulted from a misclassification of improved varieties (IVs). As a result, we found that farmers substantially overestimate their use of IVs and there are important differences in the determinants of adoption between farmer self‐identification and DNA fingerprinting. This finding implies that the incorporation of DNA fingerprinting in IV adoption studies is important to ensure the accuracy of future agricultural economic research and the relevance of subsequent policy recommendations. 相似文献
20.
The nutrition transition and agricultural transformation: a Preston curve approach 总被引:1,自引:0,他引:1
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William A. Masters Anaya Hall Elena M. Martinez Peilin Shi Gitanjali Singh Patrick Webb Dariush Mozaffarian 《Agricultural Economics》2016,47(Z1):97-114
The nutrition transition in diets and health is closely tied to other aspects of economic development, including agricultural transformation and urbanization as well as demographic change and epidemiological transition from infectious to noncommunicable disease. Over time, dietary patterns typically shift from widespread inadequacy of many foods and nutrients, especially for children and mothers, into surplus energy intake and rising obesity with continued inadequacy of healthier foods. Diet‐related diseases remain the largest single cause of premature death and disability in all regions. This article combines food availability and dietary intake data from more than 100 countries over 30 years with a wide range of other evidence to characterize the nutrition transition and its association with changes in agricultural production and the food environment, asking how future dietary patterns might be steered toward healthier outcomes as national incomes grow. 相似文献