The interest bend is for the most part descending inclining, however for certain merchandise it is up slanting, Two such sorts of merchandise have been given denitions and names that are in like manner use: Veblen products, products which due to form or agging are more alluring at greater costs, and {Bitten products, which, by temperance of being second rate products that ingest an enormous piece of a customer's pay leg, staples like the exemplary illustration of potatoes in Ireland}, may see an increment in amount requested when the cost rises. The explanation the law of interest is abused for Giffen products is that the ascent in the cost of the great has a solid pay impact, strongly diminishing the buying force of the buyer so he switchesfrom extravagance merchandise to the Giffen great, eg, when the cost of potatoes rises, the Irish laborer can never again manage the cost of meat and eats more potatoes to cover for the lost calories