Which of the following is not directly related to benefits of foreign direct investment to host countries? Select one: O a foreign investment provides local workers with an opportunity to learn managerial skills Ob foreign investment induces the transfer of technology O c. foreign investment creates jobs for foreigners O a foreign investment increases national employment Generally, unfavorable evidence on PPP suggests that Select one: a shipping costs can make it difficult to directly compare commodity prices O be tariffs and quotas imposed on international trade con explain at least some of the evidence O c. substantial barriers to international commodity arbitrage exist O d. all of them