The manager-stockholder conflict generally becomes worse

What is one reason perfectly competitive firms wish to be ever more efficient?

A) Individual firms are awarded by the tax code to be more efficient. B) Individual firms can better control their costs than the price they can charge. C) Individual firms can better control their costs than their output levels. D) Individual firms don't need to be efficient; government policies do not reward efficiency.

Refer to the above table. Which of the following statements is correct?

A) The table follows economic principles because in an increasing cost industry, increases in a variable input will lead to increase in output. B) The table does not follow economic principles because in an increasing cost industry, increases in a variable input will lead to decrease in output. C) The table follows economic principles because the law of diminishing marginal product predicts that increase in a variable input will eventually lead to a decrease in the marginal physical product. D) The table does not follow economic principles because the law of diminishing marginal product predicts that increase in a variable input will eventually lead to an increase in the marginal physical product.