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Do institutions mitigate the uncertainty effect on sovereign credit ratings?
(Pontificia Universidad Católica del Perú. Departamento de Economía, 2022-07)
In a more integrated economic and financial world, sovereign credit ratings have become one of the most important factors for countries that seek to access funds in the international bond market. First, we jointly analyzed ...
Scale Efficiency Measurement in Data Envelopment Analysis with Interval Data: A Two-Level Programming Approach
(Pontificia Universidad Católica del Perú. CENTRUM, 2011)
Conventional data envelopment analysis (DEA) for measuring the relative efficiency of a set of decision-making units (DMUs) requires the observations to have precise values. When observations are imprecise and represented ...