Inflation can be caused by "demand/supply" issues with currency, namely if much more currency is 'printed', currency may become less dear and thus price of good

Inflation can be caused by "demand/supply" issues with currency, namely if much more currency is 'printed', currency may become less dear and thus price of goods come up. Whether you want to apply that to our current situation or not, demand/supply applies to dollars as much as anything else.