The Diagram Below Shows the MRP Curve for a Firm

question 119

Multiple Choice

The diagram below shows the MRP curve for a firm producing copper plumbing pipe.The factor of production being considered here is hours of labour.
FIGURE 13- 2
-Refer to Figure 13- 2.Suppose this firm initially has the marginal revenue product curve MRP1.One reason that the curve could shift to MRP3 is

• A)an increase in the marginal product of labour.
• B)an increase in the wage rate.
• C)a decrease in the supply of labour.
• D)a decrease in the market price of copper plumbing pipe.
• E)an increase in demand for the firm's output,copper plumbing pipe.

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Definitions:

Transverse Tubules

These are extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells, facilitating the uniform contraction of the muscle.

Sarcolemma

The thin, plasma membrane that envelopes a muscle cell (fiber), playing a critical role in muscle contraction.

Z Lines

Positions within muscle fibers that mark the boundaries of sarcomeres, playing a critical role in muscle contraction by anchoring actin filaments.

I Bands

The light-appearing regions of a sarcomere in striated muscle fibers, primarily composed of thin actin filaments.