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I'd like to take some of your points and rework them a little if you don't mind.a few different links.
the greater effect of the international business cycle will sometimes bring 'peak' or 'boom' periods where supply constraints cannot satisfy demand, making the demand unsustainable, which causes inflation to rise
when fund managers take funds out of a country for portfolio investment in foreign financial markets, it devalues that nation's currency, causing imports to be more expensive and inflation to rise
external shocks to an economy like the oil crises in 73 and 79 cause energy prices to rise, leading to inflation and slower economic growth.
if governments institute protectionist policies to protect their industries from international competition, the higher prices that result will cause inflation to rise.