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31.
Carlos Pestana Barros Silvestre Dumbo Peter Wanke 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2014,82(3):455-467
This paper describes a variety of approaches used to assess the efficiency of a sample of major insurance companies in Angola between 2003 and 2012. Starting out with the bootstrapping technique, several data envelopment analysis (DEA) estimates were generated, allowing the use of confidence intervals and bias correction in central estimates to test for significant differences in efficiency levels and input‐decreasing/output‐increasing potentials. Previous studies have focused on the measurement and explanation of the factors affecting the performance rather than the prediction. The use of neural networks combined with DEA results as part of an attempt to produce a model for insurance companies’ performance with effective predictive ability is investigated. The findings indicate that older insurance companies with Portuguese origin tend to be more efficient. Results also suggest that opportunities for accommodating future demand appear to be scarce. 相似文献
32.
A partir de datos del Panel de Hogares de la Unión Europea (PHOGUE) sobre Austria, España, Grecia, Irlanda, Italia y Portugal de 1995–2001 se examina la influencia de la discapacidad en el absentismo laboral utilizando tres variables: el estado de salud autoevaluado, el número de visitas al médico y el número de noches de ingreso en hospital. Según los resultados, el absentismo entre los trabajadores con discapacidad es mayor. La gravedad de la discapacidad también tiene influencia. El efecto total de la discapacidad en el absentismo representa un incremento marginal de entre 6 y 26 días de ausencia al año (dependiendo del país). 相似文献
33.
This article analyses the level of competition in Angola’s banking industry using the Panzar–Rosse model with data from 2005 to 2014. Competition is a vital aspect of the banking market and therefore it is central to policy-making. The results reveal that Angola banking competition is monopolist and therefore lower competition is found in Angola banks. Policy implication is derived. 相似文献
34.
Juan Carlos Martín Augusto Voltes-Dorta 《Transportation Research Part E: Logistics and Transportation Review》2009,45(1):250-254
Benefits and costs associated to hubbing practices of airlines are still subject to much debate. In the previous literature, some standard spatial concentration indices have been proposed to measure it. However, we show that these indices are “ill-defined” because they do not take into account the salient characteristic of hubbing: connecting passengers. The purpose of this research is to present a new methodology which avoids the pitfalls of other methods. Our new methodology also analyzes the level of concentration of the connecting passengers studying two different dimensions: hub airports and routes. Finally, we apply our methodology to some US carriers. 相似文献
35.
Economic recovery post-COVID-19 will be structured around answering a number of fundamental questions. It is necessary to take stock of the extent of the recovery and of the transformation our economies have experienced in the last year and a half.
相似文献36.
Zelmanovitz Leonidas Newland Carlos Rosiello Juan Carlos 《The Review of Austrian Economics》2022,35(1):99-114
The Review of Austrian Economics - Many of the works that have tried to understand the proximate causes of the Great Depression have emphasized the consequences of maintaining the Gold Standard... 相似文献
37.
We study the performance reaction of investors in a specific small market context. Our sample includes all Portuguese open-end
equity funds that invested in stocks issued by Portuguese companies in the period December 1993–June 2009. Instead of the
convex flow–performance relationship usually documented for the US, we find an absence of reaction to past performance. We
find no evidence to support the “smart money effect”, given that capital flows do not favour next period performance winners.
We also document persistence of fund flows. Our results are consistent with the idea that large financial intermediaries have
the capacity “to drive” their customers to funds with larger fees. 相似文献
38.
Andrés Artal-Tur Juana Castillo-Giménez Carlos Llano-Verduras Francisco Requena-Silvente 《International Review of Economics & Finance》2011,20(2):157-172
The Heckscher–Ohlin–Vanek (HOV) model in its strict form has been strongly rejected by the data. Relaxing some assumptions of the standard HOV model is key to find improvements in its performance. We apply the Davis and Weinstein (2001) methodology to analyse the validity of the HOV model using regions rather than countries. Surprisingly, our results using data for 17 Spanish regions are similar to theirs with international data for OECD countries. Accounting for technological differences improves the predictive capacity of the factor proportions model and including trade costs and geography reduces significantly the missing trade problem. However, relaxing the assumption of factor price equalisation does not improve the performance of the HOV model in a regional setting. 相似文献
39.
We consider a pure exchange economy with a finite set of types of agents which have incomplete and asymmetric information
on the states of nature. Our aim was to describe the equilibrium price formation and analyze how the lack of information may
affect the allocation of resources. To do so, we adapt to an asymmetric information scenario a variant of the Shapley–Shubik
game introduced by Dubey and Geanakoplos (J Math Econ 39:391–400, 2003 ). 相似文献
40.
Carlos García‐Serrano 《Scottish journal of political economy》2011,58(2):221-247
Using a detailed survey on Spanish workers, this paper investigates the relationship between firm size and working conditions, the extent to which firm size differences in workers' job satisfaction can be accounted for by differences in their work environment and the impact of firm size on workers' quit intentions. The results indicate that: (1) employees in larger firms face a worse work environment; (2) working in large firms significantly reduces job satisfaction when no controls for working conditions are included, but taking them into account makes differentials across size categories statistically insignificant; and (3) no systematic differences exist in intentions to quit across firm size categories, irrespective of conditioning on wages. 相似文献