6. One important concept we learned this semester is the relationship between productivity and cost.We learned that average variable cost and the average product of labor have a _____________ relationship, ceteris paribus.

10.Economist, in a general context, study human behavior with respect to ____?

24.If Bob the burger guy increases the price of his burgers by 30%, and as a result (ceteris paribus) the number of burgers declines by 20%, then his total sales revenue for burgers will:

28.If the average product of labor is increasing as output increases, then the marginal product of labor must be _____ the average product of labor.