A certain machine will last one year, will produce $120 in income (received one year later), and will cost $100 . The lowest interest rate at which this investment will be unprofitable is

Intra-industry trade will tend to dominate trade flows when which of the following exists?

A) small differences between relative country factor availabilities B) large differences between relative country factor availabilities C) homogeneous products that cannot be differentiated D) constant cost industries E) uneven distribution of abundant resources between two countries

Which of the following would be counted as investment in the national income accounts?

A. The purchase of a newly issued stock B. The purchase of a newly built apartment house C. The purchase of a newly minted coin D. The payment of tuition at a private college