Virtual Seminar on the Economics of Risky Health Behaviors (VERB): https://www.human.cornell.edu/pam/research/hehbad/virtualseminars
     -Free online seminar series focusing on economic research on risky health behaviors
     -Weekly during the academic year

Electronic Health Economics Colloquium (EHEC): https://www.ehealthecon.org/
     -Free online seminar series focusing on health economics research
     -Monthly

Medicaid Insights Colloquium (MIC): https://www.medicaidinsightscolloquium.com/
     -Free online seminar series focusing on Medicaid policy and research   
    -Monthly

National Bureau of Economic Research Working Paper Series: https://www.nber.org/papers?page=1&perPage=50&sortBy=public_date
      -Working paper series with weekly releases of new economic research

American Society of Health Economists: https://www.ashecon.org/
      -A scientific society dedicated to promoting excellence in health economics research in the United States

Center for Micro-economic Policy Research: https://cmepr.gmu.edu/
      -Weekly micro-economic policy research seminar

Chloe East's Metrics Discussion: https://www.chloeneast.com/metrics-discussions.html
     -Excellent resource for contemporary difference-in-differences methods

Taylor Wright's DID reading group: https://taylorjwright.github.io/did-reading-group/   
     -Excellent resource for contemporary difference-in-differences methods