Good, concise illustration from Reddit:<p>&quot;If Powerball sells 1 million tickets at 2$ each, where the jackpot is worth 200,000,000$, is the size of that market 2M$ or 200 trillion $&quot; [1]<p>[1] <a href="https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;Economics&#x2F;comments&#x2F;3xb2xh&#x2F;all_of_the_worlds_money_and_markets_in_one&#x2F;cy3b623" rel="nofollow">https:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;Economics&#x2F;comments&#x2F;3xb2xh&#x2F;all_of_th...</a>