Online pornography predicts a number of negative outcomes. Viewing pornography causes interest in deviant and illegal behaviours, 1 heightens computer addiction, 2 and deleteriously impacts the brain. 3 Indeed, online pornography can be addictive, harm- ing work productivity and relationships. 4 Use economic theory to argue that internet pornography constitutes a negative consumption externality. From a policy perspective, how would you deal with this problem? Is the optimal rate of online pornography zero? this website