Mineral raw materials are at the base of economic activities at some stage of their production chains and will continue to be more and more in the future. Certain raw materials have specific features, because both the supply risk and their economic importance vary between countries or economic...

The aim of the article is to present the author’s concept of steel market enterprises’ maturity for functioning in Industry 4.0. The model is based on the assessment of key technologies or pillars of the new industrial concept. The proposed assessment includes five levels of investment...

The economics of obesity literature implicitly assumes that measured anthropometrics are error-free and they are often treated as a gold standard when compared to self-reported data. We use factor mixture models to analyse and characterize measurement error in both self-reported and measured...

Short-time work (STW) in Germany allows for a lot of flexibility in actual usage. Ex ante, firms notify the Employment Agency about the total number of employees eligible, and, up to the total granted, firms can flexibly choose how many employees actually use STW. In firm-level surveys, which...