<p>The belief that rainmakers bring rain is a superstition but they are able to create cohesion among the people who believe in their powers. Stefan K&uuml;hl describes how the rainmaker effect works in the model of the learning organization. Many of the modern management principles that are billed as formulas for success &ndash; e.g. clear objectives employee identification participation and continuous learning &ndash; fail to deliver on their promises. However they do have other beneficial effects. They ensure that organizations keep evolving.</p>