The price mechanism cannot ?

A. Act as a signal
B. Act as a incentive
C. Act as a rationing device
D. shift the demand curve

The reason for the kinked demand curve is that ?

A. The oligopolist believes that competitors will match output increase but not output reduction
B. The oligopolist believes that competitors will match price increase but not output reduction
C. The oligopolist believers that competitors will match price cuts but not price rises
D. The oligopolist believes that competitors will match price increase but not output increase

An increase in income will ?

A. Lead to a movement along the demand curve
B. Shift the supply curve
C. Shift the demand curve
D. Lead to an extension of demand

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