If the demand under price dispersion is formed by consumers with zero search costs and consumers with positive search costs, the law of one price holds at the equilibrium price level, where the lowest willingness to pay between consumers with zero search costs meets the willingness to accept or...

The theory of the optimal-consumption leisure choice under price dispersion describes the phenomenon of moral hazard as the customer's reaction on unfair insurance policy. The unfair insurance offer does not equalize marginal costs of propensity to seek healthcare with marginal benefits on...