Dr. Haar has written fourteen books and numerous articles and consulted for firms such as: ExxonMobil, IBM, Microsoft, Merck, ING Barings, Ford Motor Company, Royal Dutch Shell, FMC, Disney, KPMG, Novartis, Heineken, and YPF oil company of Argentina. He has appeared in media such as The Wall Street Journal, The New York Times, The Washington Post, The Financial Times, The Journal of Commerce, Bloomberg Business Week, Time, Newsweek, CNN, the BBC, Fox Cable News, NBC, and CBS. He is the author of Winning Strategies for the New Latin Markets (Prentice-Hall/Financial Times, 2003).
His most recent works include Can Latin America Compete? and Small Firms, Global Markets: Competitive Challenges in the New Economy, published by Palgrave/Macmillan (London, New York 2008).