Part of price elasticity is the fact that certain categories of goods absorb increases in cost more than others. Another part of that is supply and demand. Some products have a lot of”wiggle room” and some are extremely tied to demand.

Because of that some products will absorb the cost as that still creates the most profit. Other products will pass on the extra cost as they can without affecting profit.

If a not a subject you can read a quick blog post on to really pick up, it’s a huge part of most economic courses.