At a time of widespread disillusion, citizens keep telling us how “frustrated” they feel with their democracies. However, whilst scholars and commentators alike have heard that complain millions of times, we may not have taken it as seriously as we should. The author takes the concept of democratic frustration literally and puts it under an unprecedented analytical and empirical microscope. She applies insights from the psychology and political science literatures and uses a mixture of panel studies, surveys, interviews, and experiments to understand its sources, nature, dimensions, and...