Loneliness levels were assessed in a longitudinal, nationwide sample (N total = 6,010) collected over the course of the first 3 months of the COVID-19 pandemic in Germany. When in-person social contact restrictions were put in place, loneliness increased significantly compared to prepandemic levels but began to decrease again even before contact restrictions were eased. The loneliness costs were distributed ...
Der aktuelle Einkommensteuertarif belastet Mittelschichten und Besserverdienende relativ stark durch den schnellen Anstieg der Progression. Entlastungen durch eine Anhebung des Grundfreibetrags oder eine Abmagerung des Mittelstandsbauchs führen leicht zu Steuerausfällen von höheren zweistelligen Milliardenbeträgen im Jahr. Erhöhungen der Spitzensteuersätze wirken dem entgegen, allerdings sind die Aufkommenspotenziale ...
DIETER is an open-source power sector model designed to analyze future settings with very high sharesof variable renewable energy sources. It minimizes overall system costs, including fixed and variablecosts of various generation, flexibility and sector coupling options. Here we introduce DIETERpy thatbuilds on the existing model version, written in the General Algebraic Modeling System (GAMS),and ...
