Results 61 to 70 of about 9,443 (213)
Considerando as queixas de origem laboral um problema de saúde pública, objetivou-se, com o presente estudo, analisar a freqüência da população que refere queixas osteomusculares e a associação de ocorrência e severidade destas às variáveis ...
Eliane Cristina Pastre +5 more
doaj +1 more source
Life-cycle asset allocation and the peso problem: does ambiguity aversion matter?
PurposeThe study aims to show that ambiguity aversion exerts a non-negligible effect on the investors' decisions, especially due to the possibility of sharp declines in stock prices.Design/methodology/approachThe vast majority of previous studies on life-cycle consumption and asset allocation assume that the equity premium is constant.
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Machine Learning Approaches to Forecast the Realized Volatility of Crude Oil Prices
ABSTRACT This paper presents an evaluation of the accuracy of machine learning (ML) techniques in forecasting the realized volatility of West Texas Intermediate (WTI) crude oil prices. We compare several ML algorithms, including regularization, regression trees, random forests, and neural networks, to several heterogeneous autoregressive (HAR) models ...
Talha Omer +3 more
wiley +1 more source
O sobrepeso e a obesidade são atualmente um problema grave de saúde pública. Neste sentido foram objetivos deste estudo explorar os fatores e processos associados ao início do excesso de peso e à manutenção de obesidade/excesso de peso e perceber se ...
Cristina Martins Horta +3 more
doaj
Caracterización de las gestantes con recién nacidos bajo peso del Policlínico Docente “7 de Noviembre” [PDF]
Introduction: low birth weight is an important cause of perinatal morbidity and mortality, it also represents a serious health problem in the Majibacoa municipality due to its high incidence.Objective: to characterize the pregnant women with low weight ...
Mejias-Arencibia, Roberto Alejandro +4 more
core
Land Reforms in Cuba: First Empirical Assessment on Productivity Using Crop‐Level Panel Data
ABSTRACT Land reforms implemented in Cuba since 2008 have aimed to increase agricultural production by distributing state‐owned idle lands with land‐use rights. The reforms restricted farmers with the rights from cultivating perennial and capital‐intensive crops.
Yoshihiko Hashiguchi +1 more
wiley +1 more source
No Brasil, a obesidade vem crescendo cada vez mais, sendo considerada um grave problema de saúde pública, que além de ser uma doença é um fator de risco para o desenvolvimento de outras doenças como diabetes e hipertensão, as quais possuem taxas de ...
Fernando Coelho Dias +3 more
doaj
A violência na adolescência: um problema de saúde pública
Este artigo trata da problemática da violência na adolescência, fenômeno extremamente grave hoje, do ponto de vista social e de saúde pública. Procura-se mostrar que a "adolescência" como etapa biológica da vida possui, na sua configuração, um peso ...
Maria Cecília de Souza Minayo
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Macroeconomic and policy uncertainty and Exchange rate risk Premium [PDF]
The goal of this paper is to identify the main determinants of the risk premium in some European currency markets just before the EMU. To that extent, we start from Lucas (1982) exchange rate model and derive an analytical expression for the forward ...
Rodrigo Peruga Urrea +1 more
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Peso Problems, Bubbles, and Risk in the Empirical Assessment of Exchange-Rate Behavior [PDF]
April 1987This paper is a discussion of "Empirical Assessment of Foreign Currency RiskPremiums" by Richard Meese, presented at the Federal Reserve Bank of St. Louisconference on "Financial Risk: Theory, Evidence and Implications," November14-15, 1986. I am grateful for discussions with Richard Meese, for helpfulcomments from the Penn macro lunch group,
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