Engineering Economics Flashcards
It is the analysis and evaluation of factors that will
affect the economic success of engineering projects to the end that a
recommendation can be made which will insure the best use of the capital.
Engineering Economy
It is the amount of money paid for the use of borrowed capital or
the income produced by money which has been loaned.
Interest
It is calculated using the principal only, ignoring any interest
that had been accrued in preceding periods.
Simple interest
It is computed on the basis of 12 months of 30
days each or 360 days a year
Ordinary simple interest
It is based on the exact number of days in year.
Exact simple interest
It is simply a graphical representation of each flows
drawn on a time scale.
Cash-flow diagram
Positive cash flow or cash inflow
Receipt
Negative cash flow or cash outflow)
Disbursement
It is
calculated on the principal plus the total amount of interest accumulated in
previous periods
Compound interest
It specifies the rate of interest and a number of
interest periods in one year.
Nominal rate of interest
It is the actual or exact rate of interest on the
principal during one year.
Effective rate of interest
It is obtained by setting the sum of the values on a certain
comparison or focal date of one set of obligations equal to the sum of the
values on the same date of another set of obligations.
Equation of value
Products or services tht are directlt used by people to satisfy their wants
Consumer goods and services
Used to produce consumer goods and services or other produce; goods
Producer goods and services
Products or services that are required to support human life and activities, that will be purchased in somewhat the same quantity even though the price varies considerably
Necessities
Products or services that are desired by humans and will be purchased if money is available after the required necessities have been obtained
Luxuries
It is the quantity of a certain commodity that is bought at a certain price at a given place and time
Demand
The law of supply and demand may be stated as…
Under conditions of perfect competition the price at which a given product will be supplied and purchasef is the price that will result in the supply and demand being equal
It occurs when a decrease in selling price result in a greater than proportionate increase in sales
Elastic demand
It occurs when a decrease in the selling price produces a less than proportionate increase in sales
Inelastic demand
It occurs when the mathematical product of volume and price is constant
Unitary elasticity of demand
The quantity of a certain commodity that is offered for a sale at a certain price at a given place and time
Supply
It occurs in a situation where a commodity or service is supplied by a number of vendors and there is nothing to prevent additional vendors entering the market
Perfect competition
It exists when a unique product or service is available from a single vendor and that vendor can prevent the entry of all others into the market
Monopoly