Saad has researched how hormones affect and is affected by consumer behavior, such as how
conspicuous consumption affects testosterone levels,[13][14] how testosterone levels affect risk-taking,[15][16][17] and how hormones in the menstrual cycle affect buying decisions.[18][19] He has also researched how men and women differ in
gift giving behaviors.[20][21][22][23]
Saad, G. (2007). The Evolutionary Bases of Consumption. Mahwah, NJ: Lawrence Erlbaum.
ISBN9780805851502. Book review[28]
Saad, G. (ed.) (2011). Evolutionary Psychology in the Business Sciences. Springer: Heidelberg, Germany.
ISBN9783540927839. Book review[29][30]
Saad, G. (2011). The Consuming Instinct: What Juicy Burgers, Ferraris, Pornography, and Gift Giving Reveal About Human Nature. Amherst, NY: Prometheus Books.
ISBN9781616144296. Book review[31]
Saad, G. (2020). The Parasitic Mind: How Infectious Ideas Are Killing Common Sense. Washington, DC: Regnery Publishing.
ISBN9781621579595.
^Saad, Gad; Vongas, John G. (2009). "The effect of conspicuous consumption on men's testosterone levels". Organizational Behavior and Human Decision Processes. 110 (2): 80–92.
doi:
10.1016/j.obhdp.2009.06.001.
^Saad, Gad; Stenstrom, Eric (2011). "Calories, beauty, and ovulation: The effects of the menstrual cycle on food and appearance-related consumption". Journal of Consumer Psychology. 22: 102–113.
doi:
10.1016/j.jcps.2011.10.001.
^Laroche, Michel; Saad, Gad; Browne, Elizabeth; Cleveland, Mark; Kim, Chankon (2000). "Determinants of In-Store Information Search Strategies Pertaining to a Christmas Gift Purchase". Canadian Journal of Administrative Sciences. 17 (1): 1–19.
doi:
10.1111/j.1936-4490.2000.tb00203.x.
^Laroche, Michel; Saad, Gad; Kim, Chankon; Browne, Elizabeth (2000). "A Cross-Cultural Study of In-Store Information Search Strategies for a Christmas Gift". Journal of Business Research. 49 (2): 113–126.
doi:
10.1016/S0148-2963(99)00008-9.
^Patrick A. Stewart (2013). "Book Review: Evolutionary Psychology in the Business Sciences". Politics and the Life Sciences. 32 (2): 130–133.
doi:
10.2990/32_2_130.
S2CID145406315.
^Jevons, Colin (2013). "The Consuming Instinct by Gad Saad. Published by
Prometheus Books, 2011 in New York, NY". Psychology & Marketing. 30 (3): 293.
doi:
10.1002/mar.20605.