Jamal consumes only two goods: lollipops and chewing gum. he treats these two goods as perfect substitutes, with one lollipop being a perfect substitute for a pack of chewing gum. initially, the price of a lollipop is $0.90, while packs of chewing gum are $2.25 each. jamal has $20 per week to spend on these two goods. suppose the price of chewing gum decreases to $1.35.
what is the substitution effect associated with the change in the price of chewing gum?
what is the income effect associated with the change in the price of chewing gum?

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.