15. Which of the following is mentioned in the text as a possible means by which the government may attempt to improve its balance-of-trade position (increase its exports or reduce its imports)?
    1. The government could attempt to reduce its home currency's value.
16. 2. The government could require firms to engage in outsourcing.
17. 3. The government could provide subsidies to importers.
18. 4. All of these are mentioned.