Social workers are expected to constantly improve their knowledge and experience and respond quickly to new challenges. Educators appreciate the significance of learning how to learn to prepare students for real-life demands at work. For these reasons, problem-based learning (PBL) has been used...

Voigtländer and Voth argue that the Black Death shifted England towards pastoral agriculture, increasing wages for unmarried women, thereby delaying female marriage, lowering fertility, and unleashing economic growth. We show that this argument does not hold. Its crucial assumption is...