Under international public law, states are sovereign in determining the entry and stay of foreigners including foreign investors. In the global market place, however, countries compete to attract high value-added foreign investment as a key development tool for their economies. In order to make use of their sovereign rights effectively and concurrently attract much needed intra-regional and other foreign investment, a new generation of foreign investment laws are currently emerging in Middle East and North Africa (MENA) countries participating in the MENA-OECD Investment Programme.