1. Barkley, A. (2023, September). Marginal revenue and the elasticity of demand. Retrieved from socialsci.libretexts.org: https://socialsci.libretexts.org/Bookshelves/Economics/The_Economics_of_Food_and_Agricultural_Markets_(Barkley)/03%3A_Monopoly_and_Market_Power/3.03%3A_Marginal_Revenue_and_the_Elasticity_of_Demand
2. Dupuit, J. (1849). On tolls and transport charges. Macmillan.
3. Evans, M. (2021, November 18). The 4 essential types of consumer profiling. Retrieved from Attest: https://www.askattest.com/blog/videos/the-4-essential-types-of-consumer-profiling
4. Hanlon, A. (2023, March 20). The AIDA model. Retrieved from Smart Insights: https://www.smartinsights.com/traffic-building-strategy/offer-and-message-development/aida-model/
5. Nesbit, J. (2023, April 17). Costco’s Kirkland Signature Brand is wildly popular—But why? Retrieved from yahoo!finance: https://finance.yahoo.com/news/costco-evolution-kirkland-signature-brand-155446969.html#:~:text=By%201995%2C%20the%20private%20brand,other%20cost%20efficiencies%2C%20per%20CNN