What did Law predict would happen if paper money
was introduced to the French economy?

He believed that businesses would grow and more money would circulate.

Explanation:

Prior to the creation of paper money, French's economy used gold and silver as their main medium of exchange.

For large scale transaction , this will create a lot of problems. The payments for goods in such transaction can be really heavy and difficult to distribute. This is why John Law wanted to introduced the use of paper money.

He predict that initially people will be reluctant to change. Since they're so used in their use of gold and silver. But he believed that Businesses who use paper money for transaction will thrive because of how it easy it is to make large scale transaction. Eventually, those businesses will grow and more people will follow their footsteps in using paper money.

answer; proximity;