Why would the banks in the united states in the mid-1800s have used a gold and silver standard?

a: people would not trust paper money if it were not backed up by something that had real value.
b: it was more secure against theft than paper money because it weighed too much for a thief to carry away.
c: the gold rush and some rich silver mines meant there was a lot of gold and silver available.
d: federal law required that all money had to be backed by gold and silver.

The basic difference between macroeconomics and microeconomics is that: a. microeconomics looks at the forest (aggregate markets) while macroeconomics looks at the trees (individual markets). b. macroeconomics is concerned with groups of individuals while microeconomics is concerned with single countries. c. microeconomics is concerned with the trees (individual markets) while macroeconomics is concerned with the forest (aggregate markets). d. macroeconomics is concerned with generalization while microeconomics is concerned with specialization.

Increases in output and increases in the inflation rate have been linked to

Abond purchased for $950 was sold for $980 after one year. the interest received during the year is $25. the bond's yield is: