Book review: Principles of Competition Law, by David Unterhalter, Isabel Goodman, Patrick Smith, Paula Youens. (Oxford University Press. 2017) - World Competition View Book review: Principles of Competition Law, by David Unterhalter, Isabel Goodman, Patrick Smith, Paula Youens. (Oxford University Press. 2017) by - World Competition Book review: Principles of Competition Law, by David Unterhalter, Isabel Goodman, Patrick Smith, Paula Youens. (Oxford University Press. 2017) 42 1 World Competition