Paul Hoang is Vice Principal at Sha Tin College, Hong Kong - an international school and IB World School with over 1200 students. He writes for Business Review, published by Philip Allan. Paul is the author of several publications on economics and business management, including Business Management for the IB Diploma Study and Revision Guide, Business Management for the IB Diploma Quantitative Skills Workbook Economics for the IB Diploma Revision Guide and Economics for the IB Diploma Paper 3 Workbook, published by Hodder Education.