Her research focuses on behavioral and experimental economics related to food, health and the environment. Her current work focuses on challenges related to consumer food choice, child nutrition and health, industry food fraud, pollinator conservation, and honey and pollination markets. She is published in the fields of environmental economics, food policy, and agricultural economics. Ehmke was a visiting Senior Lecturer to the Economics Department at the University of Otago (New Zealand) in 2015 and 2016. Ehmke completed her doctorate at Purdue University in 2005. There she was a USDA Needs and AAUW American Fellow. She also holds a master’s degree from The Ohio State University and bachelor’s degree from Kansas State University. She is a former Kansas State University Ambassador and New Zealand Home Science Association Scholar.