Potatoes are categorized as inferior goods.
It is an economic term that describes a good whose demand drops when people's incomes rise. These goods fall out of favor as incomes and the economy improve as consumers begin buying more costly substitutes instead.
Why potatoes are inferior goods?
If a 10% increase in income results in 50% decline in the quantity of potatoes purchased. This implies potatoes can be categorized as inferior goods. The main reason is when people's income rise, people tend to choose the normal goods rather than inferior goods.
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