Publications by authors named "Kelmara Mendes Vieira"

This article aims to assess the loss of financial well-being in the COVID-19 pandemic. The developed theoretical model identifies the impacts of the perception of financial risk and financial anxiety on financial well-being. It also seeks, through a comparative analysis, to assess whether public servants, due to their status of job stability in Brazil, are less likely to have the effects of the pandemic than private employees.

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We propose a Pandemic Risk Perception Scale. Our scale comprises two constructs, Dread Risk and Personal Exposure, divided into five dimensions: Infection Risk, Emotional Health Risk, Health System Risk,Financial Risk, and Alimentary Risk. Using multidimensional item response theory, confirmatory factor analysis, and structural equation modeling on two samples of respondents, our results show that Alimentary Risk, Health System Risk, and Emotional Health Risk are the main dimensions of risk perception for the COVID-19 pandemic.

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The aim of this study is to analyze the causality relationship among a set of macroeconomic variables, represented by the exchange rate, interest rate, inflation (CPI), industrial production index as a proxy for gross domestic product in relation to the index of the São Paulo Stock Exchange (Bovespa). The period of analysis corresponded to the months from January 1995 to December 2010, making a total of 192 observations for each variable. Johansen tests, through the statistics of the trace and of the maximum eigenvalue, indicated the existence of at least one cointegration vector.

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This paper identifies liquidity spillovers through different time scales based on a wavelet multiscaling method. We decompose daily data from U.S.

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