10EC keywords

want/willingness to buy a product to a specific price.

the human effort (mental & physical) required to produce something.

limited availability of resources (ones that will run out eventually), not enough to satisfy all the wants.

land, labour, capital, enterprise.

the number of goods/services firms are able & willing to supply at a range of prices.

the point at which the supply and demand curves cross/intersect

can be defined as foundational beliefs held by economists, governments, and business organizations.

a curve that represents possible output if the factors of production are used efficiently.

the cost of the next best alternative.