Price level of the world market is pegged down by external numeraire like gold or by cooperation between central banks in the currency of the competing hypotheses.
In the world market price level is pegged down by external numeraire, such as gold, or by means of cooperation between central banks in the currency of their competitive base commands.
The price level of the world market is pegged down by external numeraire such as gold or by the cooperation between central banks in the currency of the command assumes the competition