Zobrazeno 1 - 10
of 1 118
pro vyhledávání: '"Medeiros, Marcelo"'
This paper examines the effectiveness of several forecasting methods for predicting inflation, focusing on aggregating disaggregated forecasts - also known in the literature as the bottom-up approach. Taking the Brazilian case as an application, we c
Externí odkaz:
http://arxiv.org/abs/2308.11173
Autor:
Ferreira, Luciana Gonçalves, Ziviani, Fabrício, Oliveira, Josmária Lima Ribeiro de, Medeiros, Marcelo Lemos de
Publikováno v:
Teoria e Prática em Administração, Vol 5, Iss 1, Pp 183-203 (2015)
Objective was to investigate the influence that incentives qualification established by Law11.091/2005 has on the motivation of servers to qualify. Using quantitative methodologies, which used questionnaire from the evaluation model degree of stimulu
Externí odkaz:
https://doaj.org/article/045a461f72a345ef89accd6f5d3add7c
We propose a model to forecast large realized covariance matrices of returns, applying it to the constituents of the S\&P 500 daily. To address the curse of dimensionality, we decompose the return covariance matrix using standard firm-level factors (
Externí odkaz:
http://arxiv.org/abs/2303.16151
Publikováno v:
Textos & Contextos (Porto Alegre), Vol 8, Iss 2, Pp 358-376 (2009)
O artigo propõe uma nova definição operacional de deficiência e uma metodologia de cálculo para estimar as distribuições de pessoas idosas e deficientes incapazes para o trabalho e vida independente, dos benefícios e dos níveis de cobertura
Externí odkaz:
https://doaj.org/article/538bfdb675a54ca5b1dad280f5afe434
In this paper we examine the relation between market returns and volatility measures through machine learning methods in a high-frequency environment. We implement a minute-by-minute rolling window intraday estimation method using two nonlinear model
Externí odkaz:
http://arxiv.org/abs/2112.15108
This paper has the goal of evaluating how changes in mobility has affected the infection spread of Covid-19 throughout the 2020-2021 years. However, identifying a "clean" causal relation is not an easy task due to a high number of non-observable (beh
Externí odkaz:
http://arxiv.org/abs/2110.00597
In this paper, we apply statistical methods for functional data to explain the heterogeneity in the evolution of number of deaths of Covid-19 over different regions. We treat the cumulative daily number of deaths in a specific region as a curve (func
Externí odkaz:
http://arxiv.org/abs/2109.01952
It is widely known that Google Trends have become one of the most popular free tools used by forecasters both in academics and in the private and public sectors. There are many papers, from several different fields, concluding that Google Trends impr
Externí odkaz:
http://arxiv.org/abs/2104.03065
Publikováno v:
In Wear 15 February 2024 538-539
Publikováno v:
In Cement and Concrete Composites January 2024 145