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321.
Letti Ariel Gustavo Bittencourt Mauricio Vaz Lobo Vila Luis E. 《Journal of Productivity Analysis》2022,58(1):55-74
Journal of Productivity Analysis - Using data from the Brazilian Higher Education Census and other public institutions, this study aims to obtain and compare efficiency scores from stochastic... 相似文献
322.
Andres Mauricio Molina Barreto Naoyuki Ishimura 《International Journal of Intelligent Systems in Accounting, Finance & Management》2023,30(3):150-170
We deal with a multivariate conditional value at risk. Compared with the usual notion for the single random variable, a multivariate value at risk is concerned with several variables, and thus, the relation between each risk factor should be considered. We here introduce a new definition of copula-based conditional value at risk, which is real valued and ready to be computed. Copulas are known to provide a flexible method for handling a possible nonlinear structure; therefore, copulas may be naturally involved in the theory of value at risk. We derive a formula of our copula-based conditional value at risk in the case of Archimedean copulas, whose effectiveness is shown by examples. Numerical studies are also carried out with real data, which can be verified with analytical results. 相似文献
323.
Portuguese Economic Journal - Distributional extensions of the benchmark AK endogenous growth model and of the Ramsey model are presented in this paper. The resulting geographic growth model - a... 相似文献
324.
325.
Luiz Ricardo Kabbach-de-Castro Henrique Castro Martins Eduardo Schiehll Paulo Renato Soares Terra 《Journal of Business Finance & Accounting》2023,50(7-8):1402-1438
We examine the role of country-level legal investor protection (i.e., shareholder and creditor protection) on firm investment–cash flow sensitivity (ICFS). Using underexplored research data on investor protection across 21 countries and working with a conservative empirical design, we extend prior literature on the relation between investor protection and ICFS and provide new evidence on how these country-level attributes interact to explain a firm's ICFS. We find that either the strong legal protection of minority shareholders or the strong legal protection of creditors reduces the sensitivity of investment to internal cash flow. However, in countries with strong levels of both minority shareholder and creditor protection, ICFS increases. Our results remain robust after controlling for several alternative explanations. The results support the argument that overregulation arises when policymakers increase investor protection at levels that lead firms to avoid external sources of finance, hampering firm investment. Our findings suggest that countries face a regulatory trade-off such that increasing investor protection (either shareholder or creditors protection) enhances financial markets efficiency, but excessive regulation can indeed lead to financial markets inefficiencies. 相似文献
326.
Gaspar José Garrido-da-Silva Liliana Vasconcelos Paulo B. Afonso Óscar 《Portuguese Economic Journal》2023,22(2):271-314
Portuguese Economic Journal - This paper studies local and global indeterminacy and transition dynamics in an endogenous growth model where public goods increase production and the... 相似文献
327.
Portuguese Economic Journal - In this paper we look at the state of Portuguese research in economics, with an emphasis on the 2000–2019 period. For this purpose we use three distinct data... 相似文献