Economist III

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.Introduction To The Team:Expedia Group's Economics and Experimentation Science team is looking for an Economist to support causal inference and marketplace measurement work that impacts billions of dollars in transaction value across one of the world's largest travel platforms.You'll help tackle high-stakes problems, including measuring incrementality in two-sided marketplaces, quantifying long-term value of customer behavior signals, and applying quasi-experimental methods to evaluate product changes that can't be measured using A/B testing alone. Your work will help inform how Expedia Group balances traveler experience, partner economics, and platform health.This is an individual contributor role with room to grow. You'll contribute to method development initiatives under the guidance of senior team members, build technical skill in causal inference, and partner closely with ML engineers, data scientists, analysts, and product leaders who value rigorous econometric thinking.In this role, you will:Build econometric models (panel data methods, DiD, RDD, IV) to help measure elasticity, changes in supplier behavior, and customer lifetime value in the presence of endogeneity, simultaneity, and platform dynamicsSupport the development of long-term impact measurement approaches, helping the team move beyond short-term experiment metrics toward quantifying sustained effects on customer retention, partner engagement, and marketplace equilibriumAssist in designing and executing causal measurement frameworks for marketplace interventions, including geo experiments, difference-in-differences, synthetic controls, and instrumental variable approachesPartner with ML teams to help integrate causal inference into production systems, supporting ranking algorithms, pricing optimization, and recommendation engines with econometrically validated insightsTranslate econometric findings into clear, well-organized analysis and visualizations that support product decisions, and present results to stakeholders with clarityCollaborate with data scientists and economists across the organization, contributing to a culture of rigorous causal reasoning and experimental designExperience and Qualifications:Master's degree in Economics, Applied Economics, Econometrics, Statistics, or a related quantitative field; or Bachelor's degree with equivalent related professional experience0-3 years of relevant professional experienceSolid foundation in microeconomic theory and applied econometrics, with developing ability to apply appropriate causal inference techniquesExposure to applying econometric methods to real-world business problems, in tech, e-commerce, or marketplace environments preferredWorking knowledge of causal inference tools such as IV, DiD, RDD, synthetic controls, panel data methods, and experimental designProficiency in Python or R with strong SQL skills to work with large-scale, noisy, real-world data, including the ability to query and process dataProficient communication skills: ability to explain econometric methodology, identifying assumptions, and business implications to non-technical audiencesAbility to work both collaboratively and autonomously in a fast-paced business environmentPreferred Qualifications:PhD in Economics, Applied Economics, Econometrics, Statistics, or a related quantitative fieldCoursework, research, or working papers involving applied economics, econometrics, or quantitative methodsExposure to marketplace or platform economics: two-sided markets, network effects, dynamic pricing, or general equilibrium modelingExposure to metalearners, doubleML, or causal forestsFamiliarity with modern AI/ML workflows and LLM-assisted analysis toolsThe total cash range for this position in Seattle is $137,500.00 to $192,500.00. Employees in this role have the potential to increase their pay up to $220,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role. Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.Benefits and perksExpedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at .Accommodation requestsExpedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at .About Expedia GroupExpedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.Important noticeEmployment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is .Equal OpportunityExpedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.SummaryLocation: Washington - Seattle CampusType: Full time