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201.
This article deals with the analysis of house price indexes from a long-range dependence viewpoint. In particular, it estimates the fractional differencing parameter in the London and Paris house price series recognizing in some cases the potential seasonality and allowing for breaks in the data. Moreover, it analyses the stability of the parameters across the sample period examined. It is concluded that the series are nonstationary but mean reverting in some cases and very persistent in others. Policy implications are derived. 相似文献
202.
We study the dynamics of inflation persistence in 45 countries for the period 1960–2008 using a recently developed test for multiple changes in persistence, which decomposes the sample information between adjacent I (0) and I (1) periods. We find that: (i) inflation persistence and average inflation tend to fall and rise at the same time; (ii) in some countries there are changes in the level of inflation which do not seem to be related to changes in inflation persistence; (iii) around half of the countries analyzed do not present any burst of I (1) behavior, and hence have stationary inflation throughout; (iv) for the other half, we detect switches of the type I (0) ? I (1) ? I (0), hence, inflation persistence, when it has occurred, has been temporal; and, (v) for about half of the countries in which inflation has presented I (1) behavior, persistent inflation lasted more than a decade. In addition, we find that in the last 50 years there have been mainly two episodes where long bursts of I (1) inflation took place simultaneously among groups of countries. In general, the “Great Inflation” occurred during the seventies and eighties in advanced economies, whereas it occurred during the eighties and nineties in emerging economies, particularly in Latin America. 相似文献
203.
In this work, we clarify the relationship between the information that an agent receives from a signal, from an experiment or from his own ability to determine the true state of nature that occurs and the information that an agent receives from a $\sigma $ -algebra. We show that, for countably generated $\sigma $ -algebras, the larger it is, the larger the information is. The same is true for general $\sigma $ -algebras after the removal of a negligible set of states. 相似文献
204.
Cristina Quintana-García Carlos A. Benavides-Velasco 《Technology Analysis & Strategic Management》2013,25(10):1047-1061
Based on the knowledge-based view of the firm, this paper analyses how alternative configurations of technological relatedness in interfirm research and development (R&D) alliances influence specific types of product innovation. A longitudinal study of pharmaceutical firms provides support for the argument that complementary alliances contribute to the development of both radical and incremental innovation. Collaborating with partners that have similar technologies only enhances incremental innovation, although its impact is curvilinear. These evidences highlight the importance of designing a suitable portfolio of R&D alliances in order to develop different innovative competences. 相似文献
205.
Carlos P. Barros 《Journal Of African Business》2013,14(3):244-252
The Nigerian banking consolidation process is examined using a dynamic panel for the period 2000–2010. The Arellano and Bond (1991) dynamic general method of moment approach is adopted to estimate a cost function taking into account the possible endogeneity of the covariates. The main finding is that the Nigerian banking sector has benefited from the consolidation process, and specifically that foreign ownership, mergers and acquisitions, and bank size decrease costs. Directions for future research are also discussed. 相似文献
206.
Carlos Larrinaga 《Accounting Education: An International Journal》2013,22(4):382-384
207.
Felipe Arias Fogliano de Souza Cunha Carlos Patricio Samanez 《Journal of Business Ethics》2013,117(1):19-36
In this article, we studied the Corporate Sustainability Index (ISE) of the Brazilian Mercantile, Futures and Stock Exchange (BM&FBOVESPA), with the main objective of analyzing the performance of sustainable investments in the Brazilian stock market, during the period from December 2005 to December 2010. To achieve this aim, we characterized ISE portfolios and we compared its performance with the IBOVESPA (representing the market portfolio) and other BM&FBOVESPA sectoral indices. In the performance comparison, we used level of liquidity, return and risk indicators, as well as the following measures: Sharpe, Treynor, Sortino, and Omega. Our results show that although sustainable investments have presented some interesting characteristics, such as increasing liquidity and low diversifiable risk, they did not achieve satisfactory financial performance in the analysis period. This indicates that the constraints imposed by this type of investment in capital allocation in Brazil may be harming their return and risk attractiveness. 相似文献
208.
We study whether proximity to the nearest tax haven affects FDI and the number of American affiliates in a tax haven. Our results show that distance to the nearest tax haven is positively related to FDI inflows and the number of American affiliates in tax havens. These findings suggest that there is harmful competition between tax havens. We also find evidence of positive spillovers: the number of American affiliates in a tax haven is positively related to the number of affiliates in its closest neighboring tax haven. This suggests the presence of agglomeration benefits given there is an affiliate in a nearby tax haven. 相似文献
209.
Carlos F. Gomes Mahmoud M. Yasin João V. Lisboa Michael H. Small 《The Service Industries Journal》2013,33(12):974-998
This cross-sectional study of Portuguese service organizations seeks to determine the level of alignment of competitive methods with strategy typologies covered in the business literature. Surveyed firms were asked to indicate their level of utilization of several competitive methods. The results of factor analysis of the survey data indicate that 30 of the 33 competitive methods covered in this study represent seven underlying strategy dimensions. Further analysis revealed that there is some congruence between the derived strategy dimensions and established strategy typologies in the literature. Cluster analysis revealed that each of the responding firms could be classified into one of four hybrid or mixed strategy orientations. However, differences in strategy orientation were not statistically significant in explaining differences in the financial performance of these organizations. These findings are discussed in the light of their implications for strategy development, strategy choices and performance evaluation in the Portuguese service sector. 相似文献
210.
Product and process productivity: Implications for quality choice and conditional exporter premia 总被引:1,自引:0,他引:1
We develop a model of international trade with two dimensions of firm heterogeneity. The first dimension is “process productivity”, which is how we denote the standard concept of productivity as modeled in the literature. The second one is “product productivity”, defined as firms' ability to develop high-quality products spending small fixed outlays. The distinction between these two sources of productivity, together with the assumption that iceberg trade costs decrease with quality, delivers various conditional exporter premia as theoretical predictions. Conditional on size, exporters sell higher quality products, charge higher prices, pay higher input prices and higher wages, and use capital more intensively. Some of these predictions had already been documented in the empirical literature but lacked a theoretical framework for properly interpreting them. We conduct systematic tests of these predictions using manufacturing establishment data for India, the U.S., Chile, and Colombia, and find strong support for the model. 相似文献