Economics

Are not enough to share among producers of goods and services

Needed to satisfy human wants are limited

Are never enough to share among consumers of goods and services

Required to meet our essential wants are unlimited

Can be managed if those who use them can behave rationally

Time series

Demand series

Demand curve

Demand schedule

Time schedule

Durability

Divisibility

Homogeneity

Double coincidence of wants

Portability

Galloping

Induced

Creeping

Suppressed

Run-away

A place where buyers and sellers come together to exchange goods

Any agreement made for consumers to buy all they need

any arrangement made for producers to sell all their goods

any arrangement where by buyers and sellers are in close touch with one another

a place where only consumer goods are sold