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.
A central feature of monopolistic competition is that products are differentiated. There are four main types of differentiation: Physical product differentiation, where firms use size, design, colour, shape, performance, and features to make their products different. For example, consumer electronics can easily be physically differentiated.
(7) The last difference between the two market situations is that the output of the firm under monopolistic competition is smaller and price higher than under perfect competition. This is illustrated in Figure 14 where D/AR. The LMC and LAC curves are assumed to be the same for both the firms.