Managers like to think well of themselves, and of the firms that employ them. However, positive illusions can bias a manager's evaluation of market outcomes, self-servingly crediting success on the superior quality of one's own product but blaming failure on the aggressive price of a...

Friedrich Froebel, a German pedagogue, established the first kindergarten worldwide in Thuringia in 1839. We study the spatial dissemination of the kindergarten movement in Germany in the 19th and beginning of the 20th century. Spatial dissemination can be explained by the cultural proximity,...