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31.
Axel Grossmann Emiliano Giudici Marc William Simpson 《Journal of Economics and Finance》2014,38(1):1-26
Using a frequency domain approach, we compare the spectra of equity market index returns for the 12 Euro-zone countries, the UK, the US, and Japan, over several time frames before and after the introduction of the Euro. In the immediate aftermath of the Euro-introduction, we find a reduced volatility over all frequencies, in which no strong cyclical components are present. However, in the long run, equity markets exhibit a volatility increase: the larger European equity markets develop dynamics that exhibit strikingly similar patterns, while the smaller European equity markets appear to follow dynamics closely resembling white noise. The similarity in dynamics is a likely candidate to explain the increase in correlation among the European markets. Furthermore, the European equity markets initially exhibited dynamics that resembled those of the US, while after the introduction of the Euro, the dynamics of the European Markets exhibits patterns similar to those found the UK. This suggests a change in the dynamic interdependency between the UK and the European markets and an increased convergence of UK market behavior with that behavior dominant in the Euro-zone. The findings may provide important implications for investors seeking to take advantage of international diversification. 相似文献
32.
Mohammed H. I. Dore Mariano Matilla-García Manuel Ruiz Marín 《Atlantic Economic Journal》2013,41(2):97-113
The paper is a parametric and nonparametric analysis of past precipitation data. We analyze 90 years of daily precipitation data at the Sooke Reservoir in British Columbia, Canada, for evidence of climate change. We fit probability density functions (PDFs) to the data and find evidence of a structural break in the data generating process by using the Andrews-Ploberger test. To confirm this finding, we analyze higher moments of the distribution of precipitation and show that the PDFs have become more leptokurtic. The results show how the pattern of precipitation has changed. 相似文献
33.
A new characterization of the Banzhaf semivalue on the domain of monotonic simple games is given. We use the well-known valuation
and dummy axioms plus two additional properties. The first one simply requires that the power-index be bigger for those players
belonging to more winning coalitions. The second one is the proportionality axiom introduced by Owen in (1982) which is suitable
for those simple games that represent an indirect voting process. 相似文献
34.
In this paper we analyse the potential asymmetric response of retail prices for gasoline and diesel‐fuel to changes in oil prices for the Spanish economy and its relation with the so‐called ‘rockets and feathers’ behaviour. We show that the assumption made by previous studies, which use as the key explanatory variable the sign –positive or negative‐ of the change in international oil prices, is inadequate for the Spanish case and the magnitude of the change in international oil prices is also relevant. For small changes in international oil prices there is neither price asymmetry nor rockets and feathers behavior in the retail markets. However, price asymmetries in line with rockets and feathers behavior in retail gasoline and gasoil markets are present when these changes exceed a certain threshold. Following Martín‐Moreno et al. (2018) we first apply an Auto‐regressive Error Correction Model and endogenously estimate the threshold triggering the rockets and feathers behaviour. A time‐varying nature for the dynamic response of retail prices to oil price shocks is revealed when we estimate the TAR‐ECM model using rolling windows. Hence, in a second stage, we use a Markov‐switching estimation of the model to test the robustness of the results given its suitability to changing environments. This study could have relevant policy implications for the Spanish gasoline and gasoil retail markets due to the ongoing debate on the existence of a rockets and feathers behavior in gasoline and gasoil retail markets between the Spanish regulatory body and the oil companies. 相似文献
35.
Decisions in Economics and Finance - We propose a deep learning-based methodology to investigate the complex dynamics of electricity prices observed in power markets. The aims are: (a) to process... 相似文献
36.
Mario Arturo Ruiz Estrada 《Quality and Quantity》2017,51(5):2115-2139
The rationale of Econographicology revolves around the efficacy of multidimensional graphs as the most effective visual tool to understand any economic phenomenon from a multidimensional view. The main motivation behind the creation of Econographicology is to evaluate multidimensional graphs evolved so far in economics and to develop new type of multidimensional graphs to facilitate the study of economics, as well as finance and business. Thereby, the mission of Econographicology is to offer academics, researchers and policy maker’s an alternative multidimensional graphical modeling approach for the research and teaching–learning process of economics, finance and business from a multidimensional perspective. Hence, this alternative multidimensional graphical modeling approach is offer a set of multi-dimensional coordinate spaces to build different types of multidimensional graphs to study any economic phenomenon. The following new types of multi-dimensional coordinate spaces are presented: the 5-dimensional coordinate space (vertical position and horizontal position), the mega-dynamic disks coordinate space (vertical position and horizontal position), and the mega-disks networks mapping. 相似文献
37.
Pablo Ruiz‐Verdú 《European Financial Management》2008,14(5):921-943
This paper presents a model of the firm in which the manager has discretion over his own compensation, constrained only by the threat of shareholder intervention. The model addresses two main questions. How does shareholder power affect managers' compensation and their incentives to maximise firm value? And what is the optimal level of shareholder power? Expectedly, the model shows that increasing shareholder power leads to lower managerial pay. Greater shareholder power, however, also weakens the manager's incentives to maximise value and may even lead to lower profits for shareholders. There might, thus, be too much, as well as too little, shareholder power. The model characterises the optimal level of shareholder power and yields predictions about the relation between shareholder power, managerial pay, performance and firm characteristics. 相似文献
38.
Mario Arturo Ruiz Estrada Donghyun Park Ibrahim Ndoma Jung Suk Kim 《Quality and Quantity》2016,50(3):1059-1072
The debate on the possible unification of South Korea and North Korea has often been assessed from the economic perspective, which is insufficient since unification entails not only the integration of two economies but political, social and technological integration of two territories. Using the box negotiation diagram model, this paper expands the scope of the study on South Korea and North Korea unification through a multidisciplinary approach encompassing the political, economic, social and technological perspectives. Given the huge imbalanced points of unification drawn from our analysis, we observed more divergence than convergence hence, hinging the possibility of unification of serious negotiation. 相似文献
39.
Liang Wang Emiliano A. Valdez FSA PhD John Piggott FASSA PhD 《North American actuarial journal : NAAJ》2013,17(4):345-371
Abstract The reverse mortgage market has been expanding rapidly in developed economies in recent years. The onset of demographic transition places a rapidly rising number of households in an age window in which reverse mortgages have potential appeal. Increasing prices for residential real estate over the last decade have further stimulated interest. Reverse mortgages involve various risks from the provider-s perspective that may hinder the further development of these financial products. This paper addresses one method of transferring and financing the risks associated with these products through the form of securitization. Securitization is becoming a popular and attractive alternative form of risk transfer of insurance liabilities. Here we demonstrate how to construct a securitization structure for reverse mortgages similar to the one applied in traditional insurance products. Specifically, we investigate the merits of developing survivor bonds and survivor swaps for reverse mortgage products. In the case of survivor bonds, for example, we are able to compute premiums, both analytically and numerically through simulations, and to examine how the longevity risk may be transferred to the financial investors. Our numerical calculations provide an indication of the economic benefits derived from developing survivor bonds to securitize the “longevity risk component” of reverse mortgage products. Moreover, some sensitivity analysis of these economic benefits indicates that these survivor bonds provide for a promising tool for investment diversification. 相似文献
40.
Since time immemorial, the phenomenon of leadership and its understanding has attracted the attention of the business world
because of its important role in human groups. Nevertheless, for years efforts to understand this concept have only been centred
on people in leadership roles, thus overlooking an important aspect in its understanding: the necessary moral dimension which
is implicit in the relationship between leader and follower. As an illustrative example of the importance of considering good
morality in leadership, an empirical study is conducted in which a good performance of the “leader–follower” relationship
is reflected when individuals perceive ethical leadership in higher hierarchical managerial levels. To be precise, findings
of this study demonstrate that follower job response is improved through an ethics trickle-down partial effect from the Top
Manager to the immediate supervisor, and also reveal both key aspects and managerial level on which the practice of ethical
leadership should rest upon to have a stronger effect on the follower positive job response. Practical implications of these
findings and directions for future research are finally presented. 相似文献