Showing 641 - 650 of 655
In this paper, we contribute to the nascent literature on nowcasting and forecasting GDP in emerging market economies using big data methods. This is done by analyzing the usefulness of various dimension reduction, machine learning and shrinkage methods including sparse principal component...
Persistent link: https://www.econbiz.de/10012915427
In this paper, we review econometric methodology that is used to test for jumps and to decompose realized volatility into continuous and jump components. In order to illustrate how to implement the methods discussed, we also present the results of an empirical analysis in which we separate...
Persistent link: https://www.econbiz.de/10012915430
In this paper, we evaluate the marginal predictive content of a variety of new business conditions and economic uncertainty indexes. Our indexes are defined as latent factors extracted from a high dimensional macroeconomic dataset (business conditions indexes) and as functions of predictive...
Persistent link: https://www.econbiz.de/10014344964
In this paper, we provide new empirical evidence of the relative usefulness of interval (density) and point forecasts of asset-return volatility, in the context of financial risk management using high frequency data. In our evaluation we use both statistical criteria (i.e., accuracy of...
Persistent link: https://www.econbiz.de/10013314352
In this paper we construct output gap and inflation predictions using a variety of DSGE sticky price models. Predictive density accuracy tests related to the test discussed in Corradi and Swanson (2005a) as well as predictive accuracy tests due to Diebold and Mariano (1995) and West (1996) are...
Persistent link: https://www.econbiz.de/10014062175
We take a model selection approach to the question of whether a class of adaptive prediction models (artificial neural networks) is useful for predicting future values of nine macroeconomic variables. We use a variety of out-of-sample forecast-based model selection criteria, including forecast...
Persistent link: https://www.econbiz.de/10014066021
French Abstract: L’analyse des données massives en économie : ce qu’on a appris jusqu’à maintenant et quelles directions pour la prochaine étape? Les travaux sur les tests de précision des prévisions demeurent au premier plan dans le monde de la prévision. Une première raison est...
Persistent link: https://www.econbiz.de/10014112315
Large aggregation interval asymptotics are used to investigate the relation between Granger causalityin disaggregated vector autoregressions (VARs) and associated contemporaneous correlation among innovations of the aggregated system. One of our main contributions is that we outline various...
Persistent link: https://www.econbiz.de/10014092997
When specifying and estimating latent factor models, a common assumption made is one of factor pervasiveness, which requires that Γ'Γ/N converges to a positive definite matrix, as N → ∞, where Γ denotes the loading matrix of the factor model. This paper builds on the recent nascent...
Persistent link: https://www.econbiz.de/10014264564
This paper provides new evidence on the rationality of early releases of industrial production (IP) and producer price index (PPI) data. Rather than following the usual practice of examining only first available and fully revised data, we examine the entire revision history for each variable....
Persistent link: https://www.econbiz.de/10013079043