?The likelihood ratio statistic is nonnegative.

If long run average costs are constant with respect to output, you have

a. Increasing returns to scale b. Decreasing returns to scale c. Constant returns to scale d. None of the above

Economists call the difference between what you pay for a good and what you would have been willing to pay for it a(n)

a. budget deficit b. consumer deficit c. consumer marginal benefit d. consumer surplus e. economic benefit