Investors might prefer to consider the problem of minimizing the semivariance of a portfolio given a certain benchmark rather than the variance, as in such case only the downside volatility is considered as risk. However, such optimization framework has received limited attention compared to the...

We consider a new robust parametric estimation procedure, which minimizes an empirical version of the Havrda-Charvat-Tsallis entropy. The resulting estimator adapts according to the discrepancy between the data and the assumed model by tuning a single constant q, which controls the trade-off...

Two important problems arising in traditional asset allocation methods are the sensitivity to estimation error of portfolio weights and the high dimensionality of the set of candidate assets. In this paper, we address both issues by proposing a new minimum description length criterion for...

This is the 17th issue of the EFFIS annual report on forest fires for the year 2016. This report is consolidated as highly appreciated documentation of the previous year's forest fires in Europe, Middle East and North Africa. In its different sections, the report includes information on the...

This report contains the annual summary of the fire season of 2023 with official figures provided by 34 contributing countries for the number of fires, burnt areas and fire prevention efforts, and the analysis of fire danger and areas mapped in the European Forest Fire Information System (EFFIS).

This report contains the annual summary of the fire season of 2023 with official figures provided by 34 contributing countries for the number of fires, burnt areas and fire prevention efforts, and the analysis of fire danger and areas mapped in the European Forest Fire Information System (EFFIS).

This issue of the EFFIS annual report on forest fires for the year 2021 is the 22nd in the series. This report is consolidated as highly appreciated documentation of the previous year's forest fires in Europe, Middle East and North Africa. The section on national reporting gives an overview of...

The year 2022 was marked by large wildfires that caused significant social, environmental and economic impacts. Describing some of the most impactful occurrences is essential, not only for historical record but also for drawing lessons that can be important for defining policies and improving...

This report contains the annual summary of the wildfire season of 2023 on the basis of data from the European Forest Fire Information System (EFFIS). It is published early in 2024 to provide an advance comprehensive analysis of the wildfire season 2023. The analysis and data in the report...