Prior to the Age of Mass Migration, Germans left central Europe to settle primarily in modernday Hungary, Serbia, Romania, Ukraine and Russia. Despite the harsh conditions that the first generation of settlers had to endure, their descendants often fared better, not worse, compared to native...

After the fall of the Berlin Wall in 1989, more than 400 million people suddenly found themselves in a new reality, a dramatic transition from state socialist and centrally planned workers' states to liberal democracy (in most cases) and free markets. Thirty years later, postsocialist citizens...