In this case all of the cracks and crevices are sealed. Then a hole is put in the slab to install the small fan and create sub-slab suction. The average Radon mitigation cost in Portland, Oregon, or Vancouver, Washington is between $800 to $2,500 with an average of $1,200.
The three conditions for monopolistic competition are (1) a large number of. producers, (2) differentiated products, and (3) free entry and exit. a. There are many bands that play at weddings, parties, and so on. There are no sig-. nificant barriers to entry or exit.
Monopoly Graph. 1  A Monopolist is a price maker because he does not face any competitors. 2  Therefore demand is price inelastic. 3  A monopolist will seek to maximise profits by setting output where MR = MC. 4  This will be at output Qm and Price Pm. 5  If the market was competitive the price would be lower and output higher.