Final answer:
The opportunity cost of a bowl of colcannon when a producer increases colcannon production from 9 bowls to 11 bowls cannot be determined accurately without the specific slope of the production possibilities curve (PPC) for colcannon.
Step-by-step explanation:
The opportunity cost of a bowl of colcannon when a producer increases colcannon production from 9 bowls to 11 bowls can be determined using the concept of opportunity cost. The opportunity cost is defined as the value of the next best alternative that is foregone when a choice is made.
In this scenario, the opportunity cost of the two additional bowls of colcannon is the amount of another good that the producer has to give up to produce those additional bowls.
To determine the opportunity cost, we need to know the slope of the production possibilities curve (PPC) for colcannon. Unfortunately, the specific information regarding the slope of the PPC for colcannon is not provided in the given reference. Without that information, we cannot accurately calculate the opportunity cost for this particular scenario.