An economist gather empirical data to test the proposed relationship between money and the price level by gathering data on past changes in the money supply and note the resulting changes in the price level.
<h3>Further explanation
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Economists cannot study complex relationships using data because they are unlike the researchers in the hard sciences that can run a controlled laboratory experiment for the generation of data to test the theories and relevant models. An economist would look for data on past changes in the money supply, and note the resulting changes in the price level
An economist can develop models and theories to provide a description of the world based on observed phenomena, because there is a close association between price and money.
Economists do not usually develop theoretical models of the economy but they only analyze the summary statistics about the current state of the economy. An economist would persuade the Federal Reserve to change the money supply to various levels, and also observe the resulting changes in the price level.
An economist supposed to believe that the price level in the economy is directly related to the money supply or the amount of money circulating in the economy. The following relationship is applied to that condition:
, where
P = Price Level
M = Money Supply
A = A composite of other factors including real GDP that change very slowly over time.
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<h3>Answer details</h3>
Grade: 9
Subject: business
Chapter: relationship between money and the price level
Keywords: price level, money