We develop models of markets with procrastinating consumers where competition operates - or is supposed to operate - both through the initial selection of providers and through the possibility of switching providers. As in other work, consumers fail to switch to better options after signing up...

We develop a model of fragile self-esteem — self-esteem that is vulnerable to objectively unjustified swings — and study its implications for choices that depend on, or are aimed to protect, one's self-view. We assume that a person's self-esteem is determined by sampling from his store of...

We propose a theoretical model of insecurity --- high-but-fragile self-esteem --- that seeks to integrate and help make sense of diverse strands of research in psychology. Adopting from behavioral economics the concept of a ``personal equilibrium" --- a situation in which an individual's...