1. About Dial Caliper. Nowadays, the dial caliper has become considerably more popular than the venire caliper. The reason is simple: compared to the venire caliper, a dial caliper is much easier to use and read. Additionally, compared to the digital calipers, a dial caliper is more durable. The dial caliper features the beam lock, dial, depth rod, dial calibration lock, main scale, two fixed jaws and two moveable jaws.
Total level of demand for desired goods and services (at any time by all groups within a national economy) that makes up the gross domestic product (GDP) . Aggregate demand is the sum of consumption expenditure, investment expenditure, government expenditure, and net exports.
Derived Demand. What is 'Derived Demand'. Derived demand is a term used in economic analysis that describes the demand placed on one good or service as a result of changes in the price for some other related good or service. It is a demand for some physical or intangible thing where a market exists for both related goods and services in question.