Suppose that the consumer price index at year-end 2010 was 180 and by year-end 2011 had risen to 189 . What was the inflation rate during 2011?

Defining money becomes ________ difficult as the pace of financial innovation ________

A) less; quickens B) more; quickens C) more; slows D) more; stops

The fact that the production function relating output to capital becomes flatter as we move from left to right means that

A) the marginal product of labor is positive. B) the marginal product of capital is positive. C) there is diminishing marginal productivity of labor. D) there is diminishing marginal productivity of capital.