Final answer:
The best model to explain impulsive purchases is the emotional model, as it accounts for decisions made based on feelings and emotions rather than logical reasoning.
Step-by-step explanation:
The question '14. Impulsive purchases would be best explained by the model of decision making known as the:' refers to understanding different decision-making models in psychology and economics. Impulsive purchases are often made without premeditated thought, reflecting a spontaneous reaction to stimuli rather than a careful analysis of the consequences and benefits of the purchase. The model that best explains this behavior is the emotional model, which accounts for decisions made due to feelings and emotions at the moment rather than logic or reason. As such, the answer to the question is d. emotional model.