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La toma de decisiones de política económica requiere estimaciones del comportamiento de la actividad económica en tiempo real. Sin embargo, la información utilizada solo está disponible a nivel de indicadores de actividad y de encuestas de opinión, los cuales suelen tener distintas...
Persistent link: https://www.econbiz.de/10010561385
We suggest a theoretical basis for the comparative evaluation of forecasts. Instead of the general assumption that the data is generated from a stochastic model, we classify three stages of prediction experiments: pure non-stochastic prediction of given data, stochastic prediction of given data,...
Persistent link: https://www.econbiz.de/10010293709
Many macroeconomic forecasts and forecast updates like those from IMF and OECD typically involve both a model component, which is replicable, as well as intuition, which is non-replicable. Intuition is expert knowledge possessed by a forecaster. If forecast updates are progressive, forecast...
Persistent link: https://www.econbiz.de/10010326444
It is common practice to evaluate fixed-event forecast revisions in macroeconomics by regressing current forecast revisions on one-period lagged forecast revisions. Under weak-form (forecast) efficiency, the correlation between the current and one-period lagged revisions should be zero. The...
Persistent link: https://www.econbiz.de/10010326506
This paper derives forecasts for euro area real GDP growth based on a bottom up approach from the production side. That is, GDP is forecast via the forecasts of value added across the different branches of activity, which is quite new in the literature. Linear regression models in the form of...
Persistent link: https://www.econbiz.de/10011605021
Data on Google searches help predict the unemployment rate in the U.S. But the predictive power of Google searches is limited to short-term predictions, the value of Google data for forecasting purposes is episodic, and the improvements in forecasting accuracy are only modest. The results,...
Persistent link: https://www.econbiz.de/10012037588
There are over 3 billion searches globally on Google every day. This report examines whether Google search queries can be used to predict the present and the near future unemployment rate in Finland. Predicting the present and the near future is of interest, as the official records of the state...
Persistent link: https://www.econbiz.de/10012037651
In this report we document the ETLAnow project. ETLAnow is a model for forecasting with big data. At the moment, it predicts the unemployment rate in the EU-28 countries using Google search data. This document is subject to updates as the ETLAnow project advances.
Persistent link: https://www.econbiz.de/10012037674
This report examines whether Google search queries can be used to predict the present and the near future house prices in Finland. Compared to a simple benchmark model, Google searches improve the prediction of the present house price index by 7.5 % measured by mean absolute error. In addition,...
Persistent link: https://www.econbiz.de/10012037683
The internet has become the primary source of information for most of the population in modern economies, and as such, it provides an enormous amount of readily available data. Among these are the data on the internet search queries, which have been shown to improve forecasting models for...
Persistent link: https://www.econbiz.de/10012063503