IMF Publications by Author Browse by Subject A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Joydeep Roy: 2007 Title: Measuring the Effect of Foreign Aidon Growth and Poverty Reduction or the Pitfalls of Interaction Variables Author: J. J. Polak , Joydeep Roy , Catherine A Pattillo Series: Working Paper No. 07/145 Date: June 1, 2007 Subject: Development assistance Economic growth