Representing Roomates' Preferences with Symmetric Utilities [PDF]
In the context of the stable roommates problem, it is shown that acyclicity of preferences is equivalent to the existence of symmetric utility functions, i.e. the utility of agent i when matched with j is the same as j 's utility when matched with i .
José Álvaro Rodrigues Neto
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Inflation Targeting, Credibility and Confidence Crises [PDF]
We study the interplay between the central bank transparency, its credibility, and the inflation target level. Based on a model developed in the spirit of the global games literature, we argue that whenever a weak central bank adopts a high degree of ...
Aloisio Araujo, Rafael Santos
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Evaluation of Default Risk for The Brazilian Banking Sector [PDF]
This paper employs new methods to measure and monitor risk in the Brazilian banking sector. We prove that the option-based risk measure is negatively sensitive to interest rates.
Benjamin M. Tabak, Marcelo Y. Takami
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Use of concomitant proton pump inhibitors, statins or metformin in patients treated with pembrolizumab for metastatic urothelial carcinoma: data from the ARON-2 retrospective study. [PDF]
Fiala O +91 more
europepmc +1 more source
The Dynamic Relationship between Stock Prices and Exchange Rates: evidence for Brazil [PDF]
This paper studies the dynamic relationship between stock prices and exchange rates in the Brazilian economy. We use recently developed unit root and cointegration tests, which allow endogenous breaks, to test for a long run relationship between these ...
Benjamin M. Tabak
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Do Inflation-linked Bonds Contain Information about Future Inflation? [PDF]
There is a widespread belief that inflation-linked bonds are a direct source of information about inflation expectations. In this paper we address this issue by analyzing the relationship between break-even inflation (the difference between nominal and ...
José Valentim Machado Vicente +1 more
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Exchange Rate Dynamics and the Relationship between the Random Walk Hypothesis and Official Interventions [PDF]
This paper examines the empirical evidence that official interventions are associated with periods of high predictability in exchange rate markets. We employ a block bootstrap methodology to build critical values for the Variance Ratio statistics and ...
Benjamin Miranda Tabak +1 more
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Comment on Market Discipline and Monetary Policy by Carl Walsh [PDF]
This paper aims at correcting flaws in the way expectations are set in a paper by Walsh (2000) in order to assess with precision the impact of complex market rigidities and market expectations in the optimal choices of inflation in a monetary game ...
Fabia A. de Carvalho +1 more
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Behavior and Effects of Equity Foreign Investors on Emerging Markets [PDF]
This paper analyzes empirically the behavior of foreign investors on emerging equity markets in a cross-country setting, including 14 emerging markets from the year 2000 to 2005. We could find little evidence that these investors have brought problems to
Barbara Alemanni +1 more
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Clinical impact of healthcare-associated infections in Brazilian ICUs: a multicenter prospective cohort. [PDF]
Tomazini BM +31 more
europepmc +1 more source

