Engineering Economics
Duopsony is a market situation where there is/are:

Many sellers and few buyers
One seller and few buyers
Few sellers and many buyers
Few sellers and few buyers

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

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

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