Time series resulting from aggregation of several sub-series can be seasonally adjusted directly or indirectly. With model-based seasonal adjustment, the sub-series may also be considered as a multivariate system of series and the analysis may be done jointly. This approach has considerable...

Aimed at providing the anticipatory ability for the proactive traffic control systems, a new adaptive online short-term univariate traffic condition forecasting method is presented in this dissertation by assimilating knowledge from previous research. Using 15-minute traffic flow series as a...

We construct multivariate, state-space mixed-frequencies models for the main componentsof the Spanish General Government sector made up of blocks for each one of its subsectors: Central Government, Social Security and aggregate of Regional and Local government sectors. Each block is modelled...

Realizamos dos contribuciones complementarias para estimar eficientemente modelos factoriales dinámicos: un algoritmo EM espectral y un procedimiento de inferencia indirecta iterada rapidísimo para modelos ARMA sin pérdida de eficiencia asintótica para cualquier número finito de...

Documentamos una subida y una caída del tipo de interés natural (r*) para varias economías avanzadas, que comienza a aumentar en la década de los sesenta y alcanza su punto álgido a finales de los años ochenta. Llegamos a esta conclusión después de demostrar que el modelo de Laubach y...

This dissertation consists of two theoretical papers on market-based environmental policy. The first paper exploits the correlation between the environmental performance of firms and their economic performance to show that financial markets can be used to help enforce environmental policy and to...

What are the conclusions that we have to draw from the foregoing discussion? We must conclude that the prevailing practice of evaluating benefits and costs in terms of present costs and prices is not only likely to lead to an under-statement of actual costs, but also may lead to gross...

In the first chapter of this dissertation, I estimate the long-run price elasticity of supply of renewable electricity generating capacity using the variation in state mandates for renewable electricity production. These mandates require electricity providers to purchase a predetermined fraction...

This research investigated the general association between corporate environmental performance and the firms' annual returns independent of any particular environmental event. The association analysis was based on the most recent environmental data for the years 2006, 2007, and 2008. The results...

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