13-9g The substitutive effect will be mixed with the complementary effect, and the nature of each particular case determines which effect will be the stronger

“All goods are substitutable for one another, while fewer are complementary. When they are also complementary, then the complementary effect will be mixed with the substitutive effect, and the nature of each particular case will determine which effect will be the stronger.”

Related:

• 13-9a All goods are somewhat substitutable for one another thanks to money