Cost-benefit analysis is the primary tool used by policymakers to inform administrative decisionmaking. Yet its methodology of converting preferences (often hypothetical ones) into dollar figures, then using those dollar figures as proxies for quality of life, creates systemic errors so large as...

Governments rely on certain basic economic metrics and tools to analyze prospective laws and policies and to monitor how well their countries are doing. For decades, critics of such economic measures have argued that they ignore important aspects of value that are not fully reflected by output...