Well-being throughout the COVID-19 pandemic in Germany : gendered effects of daycare and school closures / Mathias Huebener (Federal Institute for Population Research (BiB) and IZA), Sevrin Waights (Humboldt University), Katharina C. Spiess (Federal Institute for Population Research (BiB), IZA and Johannes Gutenberg University Mainz) ; IZA Institute of Labor Economics