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381.
This paper studies the volatility dynamics of futures contracts on crude oil, natural gas, and gasoline. An appropriate Bayesian model comparison exercise between seven stochastic volatility (SV) models is estimated using daily prices for our futures contracts between 2005 and 2023. Moreover, to assess the impacts of COVID-19 and the Russia–Ukraine conflict on volatility, we analyze these two subsamples. Overall, we find that: (i) the Bayes factor shows that the SV model with -distributed innovations outperforms the competing models; (ii) crude oil contracts with different expiry dates may require the introduction of leverage effects; (iii) the -distributed innovations remain the appropriate model for the COVID-19 subsample, while jumps are needed in the conflict period; and (iv) other Bayesian criteria more appropriate to short-term predictive ability—such as the conditional and the observed-date deviance information criterion—suggest other rank order to model our futures contracts, despite the agreements for the best models. 相似文献
382.
Paul Elhorst Maria Abreu Pedro Amaral Arnab Bhattacharjee Luisa Corrado Justin Doran 《Spatial Economic Analysis》2018,13(3):271-275
This editorial summarizes the papers published in issue 13(3) so as to raise the bar in applied spatial economic research and highlight new trends. The first paper challenges the home market hypothesis that large countries host more firms relative to their size than small countries by considering the lobbying activities of multinational firms. The second paper analyzes the implications of a spatial weight matrix used to estimate a spatial econometric model that depends on an endogenous economic variable. By adding a spatial context, the third paper provides a novel contribution to the literature on international norms in de facto measures of human rights performance. The fourth paper examines the determinants of accepting informal work in Poland. The fifth paper deals with non-stationarity and cointegration in a dynamic spatial econometric panel data model when the number of observations in the time – rather than in the cross-sectional– domain tends to infinity. 相似文献
383.
Paul Elhorst Maria Abreu Pedro Amaral Arnab Bhattacharjee Luisa Corrado Justin Doran 《Spatial Economic Analysis》2019,14(1):1-4
This editorial summarizes the papers published in issue 14(1) so as to raise the bar in applied spatial economic research and highlight new trends. The first paper applies the Shapley-based decomposition approach to determine the impact of firm-, linkage- and location-specific factors to the survival probability of enterprises. The second paper applies Bayesian comparison methods to identify simultaneously the most likely spatial econometric model and spatial weight matrix explaining new business creation. The third paper compares the performance of continuous and discrete approaches to explain subjective well-being across space. The fourth paper applies a multiple imputation approach to determine regional purchasing power parities at the NUTS-3 level using data available at the NUTS-2 level. Finally, the last paper constructs a regional input–output table for Japan from its national counterpart using and comparing the performance of four non-survey techniques. 相似文献
384.
385.
AbstractPrevious studies on food consumption explore limited dimensions of the sustainable food production process. A model of consumer concern over the agricultural production process was developed to assess the influence of environmental attitudes, product involvement, and brand equity on the intent to buy sustainable beef. Interviews with experts, two focus groups, and a literature review were used to propose a scale for production process concerns. A survey of 725 beef consumers was conducted to test eight hypotheses. Results suggest that product involvement and concerns over the production process are related to attitude towards the environment and intent to buy sustainable beef. Moreover, as a result, the consumer bears a positive attitude towards sustainable consumption and is more likely to buy a sustainable product. Meanwhile, the rejected hypothesis refers to the relationship between brand equity and purchase intention. This new conceptual model may be validated with other food commodities. 相似文献
386.
Contrary to the usual method of most studies that apply parametric methodologies, the current study does not assume a priori a functional form to represent the cost function. Instead, a large number of functional forms are tested in order to find the most appropriate functional form for the true cost structure of utilities. The sample focuses on water utilities operating in Portugal during the period 2002–2008. The results show that there are substantial economies of output density, economies of size, and economies of scope (in the joint supply of water supply and wastewater services) and, therefore, there are huge advantages in utilities merging. 相似文献
387.
Pedro Pintassilgo Michael Finus Marko Lindroos Gordon Munro 《Environmental and Resource Economics》2010,46(3):377-402
According to international law, straddling fish stocks should be managed cooperatively through regional fisheries management
organizations (RFMOs). This paper analyzes the stability and success of these organizations through a game in partition function
form based on the classical Gordon-Schaefer bioeconomic model. Results show that the larger the number of fishing states that
compete for the fish stock the higher are the relative gains from full cooperation, but the lower is the likelihood of large
RFMOs being stable. It is also shown that new entrants increase the incentives of RFMO members to leave and decrease the incentives
of non-members to join it. Moreover, the success of coalition formation is positively correlated with the degree of cost asymmetry
among fishing states and negatively with the overall level of efficiency. 相似文献
388.
Search models of monetary exchange commonly assume that terms of trade in anonymous markets are determined via Nash bargaining, which generally causes monetary equilibrium to be inefficient. Bargaining frictions add to the classical intertemporal distortion present in most monetary models, whereby agents work today to obtain cash that can be used only in future transactions. In this paper, we study the properties of optimal fiscal and monetary policy within the framework of Lagos and Wright (2005). We show that fiscal policy can be implemented to alleviate underproduction while money is still essential. If lump sum monetary transfers are available, a production subsidy can restore the efficiency of monetary equilibria. The Friedman rule belongs to the optimal policy set, but higher inflation rates are also possible. When lump-sum monetary transfers are not available, equilibrium allocations are generally not first-best. Nevertheless, fiscal policy still results in substantial welfare gains. Money can be extracted from circulation via a sales tax on decentralized market activities, and the Friedman rule is only optimal if the buyer has relatively low bargaining power. 相似文献
389.
Rudra P. Pradhan John H. Hall Atul Gupta Yasuyuki Nishigaki Flávio de São Pedro Filho Elda du Toit 《Journal of East-West Business》2019,25(3):225-261
This paper uses country-level data of European Economic Area countries between 1989 and 2016 to examine the interactions between economic growth, innovation, and financial market activities, with specific reference to the bond and insurance markets. Our intent is to know whether causality runs among these variables both ways, or not at all. Using a vector error correction model, the study finds that financial market activities and economic growth determine innovation activities in these countries. Additionally, the study also finds bidirectional Granger causality between financial market activities and economic growth, as well as between innovation activities and economic growth. 相似文献
390.
We analyze the effects of founding conditions on the survival of new firms. Based on arguments from several theoretical perspectives, namely economics, organizational ecology, and the resource‐based view of the firm, we develop hypotheses that relate the survival of firms to the conditions confronted by firms at each moment and to those prevailing at the time of founding. We develop an empirical model that allows the effects of founding conditions to be transitory and estimate how long such effects last. The results of estimating such a model indicate that founding effects are important determinants of exit rates. Moreover, in most cases, their effect on survival seems to persist with little attenuation for several years following the founding of the firm. Overall, our findings suggest that there is no absolute superiority of any of the aforementioned theoretical perspectives over the others, and there are important elements in all of them to explain the survival of firms. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献