The government is redesigning its mailed notices for traffic violations to take into account nudge theory. Its goal is to increase on-time payments.

(a)Propose a nudge whose effectiveness relies on one of the biases we have studied involving intertemporal preferences (i.e. present bias, anticipatory utility, or projection bias). Explain in at most three sentences.

(2 marks)

(b)Propose a nudge whose effectiveness relies on one of the biases we have studied involving social preferences (i.e. altruism, fairness, conformity, etc.).