Final answer:
Establishing quotas on imports is an action that is part of a protectionist economic policy, which aims to protect domestic industries from foreign competition by limiting imported goods.
Step-by-step explanation:
Among the following actions, the one that might be part of a protectionist economic policy is establishing quotas on imports. Protectionism is a governmental policy approach meant to reduce or block international trade with the aim of protecting domestic industries from foreign competition. This is often achieved through measures such as tariffs, import quotas, and nontariff barriers. Establishing quotas on imports limits the number of goods that can be imported, thereby shielding domestic industries from external competition and preserving domestic jobs, but often at the expense of higher prices for consumers.