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31.
Filipe Jorge Coelho Mário Gomes Augusto Arnaldo Fernandes Coelho Patrícia Moura Sá 《The Service Industries Journal》2013,33(8):1343-1357
Satisfaction of customers' needs is particularly dependent upon the customer orientation of frontline employees. Understanding the drivers of such orientation is, therefore, a key issue in current research. Research relating perceptions of organisational values with the customer orientation of employees is rather sparse. This topic is approached by investigating the role of selected dimensions of psychological climate in promoting the customer orientation of frontline service employees. A structural equations model is developed and empirically tested, indicating that perceptions of customer, ethical, and innovation climates exert an indirect effect on the adoption of customer-oriented behaviours by frontline employees. 相似文献
32.
Regis Augusto Ely 《Latin American Business Review》2013,14(4):305-325
We examine the evidence of mean and volatility spillovers between stock and foreign exchange markets in Brazil with multivariate GARCH models and nonlinear Granger causality tests. We also use a multivariate GARCH-in-mean model to assess the relationship between risk and return in these markets. The results indicate that the stock market leads the foreign exchange market in price formation and that nonlinear Granger causalities from the exchange market to the stock market do occur. Part of these nonlinear causalities are explained by volatility spillovers. We show that exchange rate volatility affects not only stock market volatility but also stock returns. 相似文献
33.
Márcio Augusto Averbeck Andrei Krassioukov Nikesh Thiruchelvam Helmut Madersbacher Mette Bøgelund Yasuhiko Igawa 《Journal of medical economics》2018,21(10):945-952
Aims: Intermittent catheterization (IC) is the gold standard for bladder management in patients with chronic urinary retention. Despite its medical benefits, IC users experience a negative impact on their quality of life (QoL). For health economics based decision making, this impact is normally measured using generic QoL measures (such as EQ-5D) that estimate a single utility score which can be used to calculate quality-adjusted life years (QALYs). But these generic measures may not be sensitive to all relevant aspects of QoL affected by intermittent catheters. This study used alternative methods to estimate the health state utilities associated with different scenarios: using a multiple-use catheter, one-time-use catheter, pre-lubricated one-time-use catheter and pre-lubricated one-time-use catheter with one less urinary tract infection (UTI) per year.Methods: Health state utilities were elicited through an internet-based time trade-off (TTO) survey in adult volunteers representing the general population in Canada and the UK. Health states were developed to represent the catheters based on the following four attributes: steps and time needed for IC process, pain and the frequency of UTIs.Results: The survey was completed by 956 respondents. One-time-use catheters, pre-lubricated one-time-use catheters and ready-to-use catheters were preferred to multiple-use catheters. The utility gains were associated with the following features: one time use (Canada: +0.013, UK: +0.021), ready to use (all: +0.017) and one less UTI/year (all: +0.011).Limitations: Internet-based survey responders may have valued health states differently from the rest of the population: this might be a source of bias.Conclusion: Steps and time needed for the IC process, pain related to IC and the frequency of UTIs have a significant impact on IC related utilities. These values could be incorporated into a cost utility analysis. 相似文献
34.
Juan Carlos Martín Concepción Román Augusto Voltes-Dorta 《Journal of Productivity Analysis》2009,31(3):163-176
There exists a common belief among researchers and regional policy makers that the actual central system of Aeropuertos Españoles y Navegación Aérea (AENA) should be changed to one more decentralized where airport managers could have more autonomy. The main objective of this article is to evaluate the efficiency of the Spanish airports using Markov chain Monte Carlo (MCMC) simulation to estimate a stochastic frontier analysis (SFA) model. Our results show the existence of a significant level of inefficiency in airport operations. Additionally, we provide efficient marginal cost estimates for each airport which also cast some doubts about the current pricing practices. 相似文献
35.
Esther Lpez‐Zafra Rocio Garcia‐Retamero Jos M. Augusto Landa 《Journal of Leadership Studies》2008,2(3):37-49
The concept of emotional intelligence and its connections with other important psychological constructs have been the focus of a wide range of current research (see Mestre & Fernández‐Berrocal, 2007, and Salovey, Woolery, & Mayer, 2001, for reviews). Yet the relationship between emotional intelligence and transformational leadership, a leadership style that is highly correlated with efficiency and satisfaction of the leaders' followers, has scarcely been analyzed. We hypothesize that individuals who score high in emotional intelligence emerge as leaders more easily than low‐emotional‐intelligence individuals due to the fact that they are more transformational in their leadership style. We further suggest that this is especially the case in highly cohesive groups. In this study, we test these ideas and find empirical support for our hypotheses. 相似文献
36.
Guilherme Augusto Barucke Marcondes Rafael Coradi Leme Marcela da Silveira Leme Carlos Eduardo Sanches da Silva 《工程经济学家》2017,62(1):33-53
Although a variety of models have been studied for project portfolio selection, many organizations still struggle to choose a potentially diverse range of projects while ensuring the most beneficial results. The use of the mean-Gini framework and stochastic dominance to select portfolios of research and development (R&D) projects has been gaining attention in the literature despite the fact that such approaches do not consider uncertainty regarding the projects’ parameters. This article discusses, with relation to project portfolio selection through a mean-Gini approach and stochastic dominance, the impact of uncertainty on project parameters. In the process, Monte Carlo simulation is considered in evaluating the impact of parametric uncertainty on project selection. The results show that the influence of uncertainty is significant enough to mislead managers. A more robust selection policy using the mean-Gini approach and Monte Carlo simulation is proposed. 相似文献
37.
The shortage of studies on spatial spillovers of capital subsidy policies is rather surprising, considering that such policies are usually designed to generate spatial externalities. We propose a new framework that allows positive agglomeration effects to be contrasted with the negative cross-sectional substitution and the crowding-out effect. The global evaluation of the ATT and the spillover parameters shifts the spotlight from the policy effect on subsidised firms to the global effect of capital subsidy policies on the targeted territory. The empirical evaluation of a policy in Italy mainly directed towards small- and medium-sized firms shows that the impact on investments, turnover and employment is positive and large, but is negative on TFP. However, the employment growth is partially determined to the detriment of the untreated firms. 相似文献
38.
This paper proposes a hurdle model of repayment behaviour in loans with fixed instalments. Using information on previous and current contracts, the approach yields a model of customer behaviour, useful, for example, in assessing the impact of determinants of default, a natural concern for credit and behavioural scoring. Under plausible assumptions, a debtor in each period faces a number of missed payments, which depends on his previous repayment decisions; meanwhile, as most debtors are expected to meet financial obligations, the number of missed payments is bound to display excess zeros, with reference to a single-part law. Each sequence of missed payments is modelled by using the binomial thinning, a conceptual tool that allows for dependence between integers by defining the support of consecutive counts. Under suitable assumptions on heterogeneity, the model can be produced under a random effects approach, leading to a two-part panel data model, estimable by quasi-maximum likelihood. The proposed approach is illustrated using a panel data set on personal loans granted by a Portuguese bank. 相似文献
39.
Augusto Bellieri dei Belliera 《Decisions in Economics and Finance》1978,1(1):76-104
The object of the present study is the class of games of timing of incomplete information (silent-noisy duels) and the demonstration that the main theorem concerning this class of games is sometimes defective both concerning the uniqueness of the optimal strategies and their types. Some observations and theorems consent finally to characterize in any possible case the type of optimal strategies. 相似文献
40.
Augusto Freddi 《Decisions in Economics and Finance》1984,7(1-2):53-66
In questo lavoro viene postulata e analizzata, in regime d'inflazione, una determinata condizione d'indifferenza per il contraente verso una generica polizza vita.Essa, usata da sola e insieme ad una seconda condizione standard, permette di introdurre due indici di «commerciabilità» per dette polizze, uno relativo e l'altro assoluto.In presence of an inflation ratey>0, the «actual» annual rate of interest, , produced by a generical life assurance policy results lower than the «nominal»,i, fixed on the technical basis but at same time the policy-holder's disinclination for the risk decreases.We consider a determinate indifference condition for the policy-holder to a generical life assurance policy and examine the consequent relations among the variablesi, y and , the revaluation coefficient of the premiums, life annuity funds and insured capitals.In this paper we also introduce two indexes of «marketability» — one of them is relative and the other one is absolute — for a generical life assurance policy in inflation time. 相似文献