When Externalities Are Present in a Market,how Is the Well-Being

Multiple Choice

When externalities are present in a market,how is the well-being of market participants and market bystanders affected by government policies

A) Market participants are directly affected, and market bystanders are indirectly affected.
B) Market participants and market bystanders are both directly affected.
C) Market participants and market bystanders are both indirectly affected.
D) Market participants are indirectly affected, and market bystanders are directly affected.