It's the field performance of the seed you plant that counts, and the field performance of high-quality seed is definitely superior to that of low-quality seed. This article shows why "good seed costs you less."
Everson, L. E.
"Good Seed Costs You Less,"
Iowa Farm Science: Vol. 13
, Article 7.
Available at: https://lib.dr.iastate.edu/farmscience/vol13/iss8/7