Labor-saving technology causes which of the following? (i) The marginal productivity of labor increases. (ii) The marginal productivity of labor decreases. (iii) Labor demand shifts to the right. (iv) Labor demand shifts to the left

Net investment

A) equals gross investment plus depreciation. B) is the only measure of investment used to calculate GDP. C) equals gross investment minus depreciation. D) is equivalent to the existing capital stock in the economy.

Many eligible voters do not vote, and many who do vote don't read the biographies of candidates before they vote. These are examples of

a. the median-voter model b. representative government c. rational ignorance d. stupidity e. laziness