6. Based on what we know about the economic impact of tariffs and quotas, which of the garners some conditional support from economists? 1. When concerns over human rights and the environment are used to increase tariffs. 2. When a country becomes convinced that its trading partners are engaging in dumping or currency manipulation. 3. When the value of the dollar fluctuates compared to foreign currency. 4. When a government has decided that it needs to eliminate a balance of trade deficit with another nation. 5. When, with temporary protection, an infant industry could emerge and show long-run comparative advantages over other countries