01Interactive
Introduce a per-unit tax and separate the buyer’s price from the seller’s receipt.
Associated with Alfred Marshall (provisional)
Economist whose Principles of Economics developed influential accounts of supply, demand and elasticity.
Introduce a per-unit tax and separate the buyer’s price from the seller’s receipt.
These relationships distinguish discussion, development, and popularization; they do not imply sole invention. Effect pages include supporting references where verified and label provisional associations.