Engineering Economics
“Under conditions of perfect competition, the price at which any given product will be supplied and purchased is the price that will result in the supply and the demand being equal.” This statement is known as the:

Law of demand
Law of supply and demand
Law of supply
Law of diminishing return

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Engineering Economics
Which one of the following questions is relevant to the construction estimates?

Did the estimators precisely evaluate site conditions
How much money will the contractor's risk, loosing if he were to submit bid on the raw estimate of cost
All of these
Did the estimators use short cut methods which may be unrealistic in their situation

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