Assessing the future is vital in informing public policy decisions. One of the most widespread approaches is the development of scenarios, which are alternative hypothetical futures. Research has indicated, however, that the reality of how professionals go about employing scenarios is often starkly at odds with the theory - a finding that has important ramifications for how the resulting images of the future should be interpreted. It also shows the need for rewriting and updating theory. This book, based on an intensive five year study of how experts actually go about assessing the future,...