Economic interactions involving which of the following would most likely be studied in macroeconomics? a family’s finances trade at a duty-free shop on the U. S.-Canadian border International Monetary Fund policy a small company’s supply contract for a local town

really and truely i dont know sorry

eiffel tower

explanation:

the answer is b: an economic crisis throughout the country.

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.