Income is considered to be a

In the monopoly, the firm's marginal revenue curve is ________, while in a perfectly competitive market, each firm's marginal revenue curve is ________

A) downward sloping; horizontal B) horizontal; downward sloping C) upward sloping; horizontal D) downward sloping; upward sloping

In countries with very restrictive labor laws , many firms are reluctant to hire workers. This reluctance can

A) reduce cyclical unemployment and the natural rate of unemployment. B) reduce structural unemployment and the natural rate of unemployment. C) reduce frictional unemployment and the natural rate of unemployment. D) increase the natural rate of unemployment.