This revised edition, dated 2014, contains a new section on investment opportunities in developing
countries (paragraph 3.7).
Special thanks go to Prof Angela Cielo and Ms Imelda Valenton for their research support, to Engr.
Eduardo Manalili, for his editorial support, to Simone Morini for the cover design and to Larissa
D’Aquilio for the desktop publishing and graphic project coordination.