Reference?: http://econshark.com/pursecase-season-5-episode-10/

Kevin O'Leary is flabbergasted by its high price and immediately argues they could change cut the price by 50% and sell ten times more than they are currently selling. In his mind, Purse Case is a product with very elastic demand - so elastic that he thinks they could lower the price and collect much more in revenue.

Question: Suppose that a 20% increase in the price of gasoline causes a 5% decrease in the consumption of gasoline and a 30% drop in the sales of SUVs. What can you say about elasticities? Describe the nature of the relation between two products