Unequal Exchange Coffee Infograph (IMAGE) Lehigh University Caption An infograph explains Lehigh University Professor Kelly Austin's recent research on unequal exchange in coffee cultivation. Credit Kate Cassidy, Lehigh University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.