Intern - Economics, WW Returns & ReCommerceJob ID: ******* | Amazon.com Services LLCWe are looking for detail-oriented, organized, and responsible individuals who are eager to learn how to apply their causal inference skillsets to solve real-world problems.The intern will work in the area of Returns & ReCommerce and develop methods to validate and contextualize causal inference estimates.Our PhD Economist Internship Program offers hands-on experience in applied economics, supported by mentorship, structured feedback, and professional development.Interns work on real business and research problems, building skills that prepare them for full-time economist roles at Amazon and beyond.You will learn how to build data sets and perform applied econometric analysis while collaborating with economists, scientists, and product managers.These skills will translate well into writing applied chapters in your dissertation and provide you with work experience that may help you with placement.These are full-time positions at 40 hours per week, with compensation awarded on an hourly basis.About the teamThe Returns & ReCommerce Economics Intelligence (RREI) team brings together economists, data scientists, data analysts, and business intelligence engineers to deliver innovative research and products that discover and surface returns-influencing behavior, trends, and their root causes.We leverage a range of scientific approaches such as causal modelling, structural and choice modelling, time series, ML, and optimisation models to yield tangible insights targeted at reducing the cost of returns and concessions without slowing down the Amazon flywheel.Basic QualificationsCandidate is enrolled in an Economics PhD program or a closely related field.Candidate is in at least the third year of their PhD program and is not currently on the job market.Preferred QualificationsExperience with machine learning (ML) tools and methods.Methods for validating causal inference estimates (experimental