Macroeconomists Have Good Reason to Support Say’s Law

"Many defenders of free markets, especially those interested in macroeconomics, are lambasted for defending a proposition known as Say’s Law, named after the famed 19th century Jean-Baptiste Say.
 
But there’s a big problem with dismissing Say’s Law. In this post, I will show why Say’s law is significant and why free market macroeconomists have good reason to support it."