Yale SOM’s Stefano Giglio, an expert on climate finance, explains what green investing can and can’t do to help speed the transition to a post-carbon economy.

How much of an effect the tax has depends on how price sensitive consumers are when it comes to cannabis, gambling, and tobacco.” ...

krisanapong detraphiphat / Getty Images An externality is a cost or benefit related to the production or consumption of a good or service that affects third parties unrelated to the production or ...