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1.
Georgios Varouxakis 《European Journal of the History of Economic Thought》2017,24(3):589-591
2.
Georgios E. Chortareas Jesus G. Garza‐Garcia Claudia Girardone 《Review of Development Economics》2011,15(2):307-325
Since the mid‐1990s the banking sector in the Latin American emerging markets has experienced profound changes due to financial liberalization, a significant increase in foreign investments, and greater merger activities often occurring following financial crises. The wave of consolidation and the rapid increase in market concentration that took place in most countries has generated concerns about the rise in banks' market power and its potential effects on consumers. This paper advances the existing literature by testing the market power (Structure–Conduct–Performance and Relative Market Power) and efficient structure (X‐ and scale efficiency) hypotheses for a sample of over 2500 bank observations in nine Latin American countries over 1997–2005. We use the Data Envelopment Analysis technique to obtain reliable efficiency measures. We produce evidence supporting the efficient structure hypotheses. The findings are particularly robust for the largest banking markets in the region, namely Brazil, Argentina, and Chile. Finally, capital ratios and bank size seem to be among the most important factors in explaining higher than normal profits for Latin American banks. 相似文献
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The article tests for the presence of short-term continuation and long-term reversal in commodity futures prices. While contrarian strategies do not work, the article identifies 13 profitable momentum strategies that generate 9.38% average return a year. A closer analysis of the constituents of the long–short portfolios reveals that the momentum strategies buy backwardated contracts and sell contangoed contracts. The correlation between the momentum returns and the returns of traditional asset classes is also found to be low, making the commodity-based relative-strength portfolios excellent candidates for inclusion in well-diversified portfolios. 相似文献
5.
Extant literature calls for more research to identify the boundary conditions as well as the process underlying the effects of ad messages that violate specific brand beliefs. This paper examines different levels of ad–brand incongruity, considering brand schema strength and processing opportunity as factors that influence the perception and the resolution of incongruity. Moreover, it provides empirical evidence for the process mediating attitudinal responses to ad–brand incongruity. Experiment 1 shows superiority for moderately incongruent ads over congruent and extremely incongruent ads which is eliminated when participants have a weak, as opposed to a strong, brand schema. Experiment 2 replicates the nonmonotonic pattern for strong, real brands but further shows that low processing opportunity favors congruent ads. Mediation analysis reveals that the psychological satisfaction experienced during the ad interpretation process has an asymmetric mediating effect, such that moderate levels of ad–brand incongruity generate highest levels of satisfaction which then leads to more positive responses. 相似文献
6.
The present study employs the Simons, 1990, Simons, 1995 to analyse a shift in the use of control systems by government in the policy area of children and young people in England. At a time when the public is becoming increasingly disillusioned with the government's control over the work of the agencies in this policy area, high-profile cases of crises involving children (e.g. Department of Health, 1991, Laming, 2003) have raised doubts about the effectiveness of the conventional systems of control in place to keep these organisations accountable. Indeed, there is a growing body of evidence suggesting that the traditional type of control systems in government, meant to strengthen public accountability, consistently fail to promote high standards of care.This paper utilises a middle range thinking methodology (Broadbent and Laughlin, 1998) to describe and interpret changes in the policy area of children and young people in England highlighting implications for inter-organisational control. Through the lens of the Simons's levers of control (LOC) framework (1995), it advances the argument that the government is complementing their traditional diagnostic control systems with more interactive ones, principally in an attempt to manage more effectively the risk and uncertainty increasingly present in their environment. An in-depth study of a Local Safeguarding Children Board (LSCB) in ‘Brempton’, North West England, balanced with case evidence from policy documents, extends existing research in the area of control of inter-organisational relationships in the public sector. 相似文献
7.
Gikas Hardouvelis Georgios Papanastasopoulos Dimitrios Thomakos Tao Wang 《European Financial Management》2012,18(5):790-815
In this paper we investigate the relation of the value/growth anomaly with the anomaly on corporate financing activities. We confirm and expand earlier results that value/growth and external financing indicators are, to some degree, related predictors of stock returns in the cross section. We show that external financing indicators are incrementally informative since they pick up stock returns associated with earnings quality. Portfolios that combine information from both these indicators generate significantly higher returns than portfolios containing each individual indicator. More importantly, our analysis strongly suggests that the external financing anomaly is, to some extent, distinct from the value/growth anomaly, in that it may also reflect investors’ misunderstanding of the effects of opportunistic earnings management. 相似文献
8.
The structural uncertainty model with Bayesian learning, advanced by Weitzman (AER 2007), provides a framework for gauging the effect of structural uncertainty on asset prices and risk premiums. This paper provides an operational version of this approach that incorporates realistic priors about consumption growth volatility, while guaranteeing finite asset pricing quantities. In contrast to the extant literature, the resulting asset pricing model with subjective expectations yields well-defined expected utility, finite moment generating function of the predictive distribution of consumption growth, and tractable expressions for equity premium and risk-free return. Our quantitative analysis reveals that explaining the historical equity premium and risk-free return, in the context of subjective expectations, requires implausible levels of structural uncertainty. Furthermore, these implausible prior beliefs result in consumption disaster probabilities that virtually coincide with those implied by more realistic priors. At the same time, the two sets of prior beliefs have diametrically opposite asset pricing implications. 相似文献
9.
Georgios E. Chortareas John B. McDermott & Titos E. Ritsatos 《Journal of Business Finance & Accounting》2000,27(7&8):983-1002
We investigate the time series properties of the daily and weekly returns from the Athens Stock Exchange (ASE) index for the years 1987 to 1997. We investigate whether important time-series characteristics have changed significantly over time. The Greek market has recently undergone major changes including complete capital flow liberalization, the implementation of computerized trading, as well as significant increases in market volume and capitalization; we thus contrast the 1987–90 and 1991–97 periods. Our findings suggest the dynamics of the ASE composite index returns have changed as the market has developed. 相似文献
10.
Georgios K.D. Saharidis Vassilis S. Kouikoglou Yves Dallery 《International Journal of Production Economics》2009,117(1):117-126
An analysis of control policies for a two-stage supply chain with subcontractors at each stage is presented when decisions at each stage concerning safety stocks, backorders, and subcontracting are made jointly or in a decentralized manner. The inventory/admission control policies considered are base stock, echelon base stock and partial backordering, and the objective is to maximize the mean profit rate of the system. The optimal control parameters are found by exhaustive search using Markov chains. From numerical examples it appears that the policies which manage jointly sales and production levels in each stage provide much higher overall (system) profits than decentralized policies, although the latter are individually more profitable for the second stage. In addition, partial backordering provides the system with an extra profit above those that result from the lost sales (no backordering) and complete backordering policies. Finally, a number of numerical results show the impact of variations in certain system parameters on the optimal control parameters and the corresponding profit. 相似文献