&gt;  What&#x27;s the difference between money and &quot;actual money&quot;?<p>If I buy something from you for $10, and sell it to someone for $10 the GDP goes up by $20.<p>If on the other hand you sell it to someone for $10 the GDP goes up by $10 instead.<p>The value of money + value of tangible goods is the same in both cases, but the GDP is not.<p>They measure different things.