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Evolution of bank efficiency in Brazil : a DEA approach

Staub, Roberta Blass; Souza, Geraldo da Silva e; Tabak, … - In: European journal of operational research : EJOR 202 (2010) 1, pp. 204-213

Persistent link: https://www.econbiz.de/10003960074

Evolution of bank efficiency in Brazil : a DEA approach

Staub, Roberta Blass; Souza, Geraldo da Silva e; Tabak, … - 2009

Persistent link: https://www.econbiz.de/10003929888

A probabilistic approach for assessing the significance of contextual variables in nonparametric frontier models : an application to Brazilian banks

Souza, Geraldo da Silva e; Staub, Roberta Blass; Tabak, … - In: Brazilian review of econometrics : the review of the … 28 (2008) 1, pp. 111-125

Persistent link: https://www.econbiz.de/10009627814

Concentração e inadimplência nas carteiras de empréstimos dos bancos brasileiros

Tecles, Patricia L.; Tabak, Benjamin Miranda; Staub, … - 2009

Persistent link: https://www.econbiz.de/10003875319

Persistence and mean reversion : analyzing sector indices for Brazil

Tabak, Benjamin Miranda; Staub, Roberta Blass - In: Economia aplicada : EA 10 (2006) 2, pp. 193-201

Persistent link: https://www.econbiz.de/10003383105

Assessing financial instability : the case of Brazil

Tabak, Benjamin Miranda; Staub, Roberta Blass - In: Research in international business and finance 21 (2007) 2, pp. 188-202

Persistent link: https://www.econbiz.de/10003478854

Algumas Considerações Sobre a Sazonalidade no IPCA

Figueiredo, Francisco Marcos R.; Staub, Roberta Blass - Central Bank of Brazil, Research Department - 2001

This article presents the results of the analysis of IPCA (Consumer Price Index) seasonality and its items in the period between January 1995 and December 2000. The discussion is based in the points surveyed by Bryan and Cecchetti (1995) regarding the idiosyncratic feature in the seasoning...

Persistent link: https://www.econbiz.de/10005419141

A Probabilistic Approach for Assessing the Significance of Contextual Variables in Nonparametric Frontier Models: an Application for Brazilian Banks

Staub, Roberta Blass; Souza, Geraldo da Silva e - Central Bank of Brazil, Research Department - 2007

This article presents an empirical application illustrating the use of a nonparametric frontier model relying on a probabilistic definition of the production frontier. The significance of the variable nonperforming loans in productive efficiency is assessed, for a sample of Brazilian banks,...

Persistent link: https://www.econbiz.de/10005467376