Investment is the amount by which ____ grows

If a small country were to levy a tariff on its imports then this would

A) decrease the country's economic welfare. B) have no effect on that country's economic welfare. C) increase the country's economic welfare. D) change the terms of trade. E) raise prices on its exports in other countries.

If a good gives rise to substantial external benefits to society that are associated with its production and/or consumption, then the good likely has too many resources devoted to its production

a. True b. False Indicate whether the statement is true or false