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	1.		Direct and indirect effects of vaccines : Evidence from covid-19 in schools / Seth M. Freedman et al by Freedman, Seth M et al National Bureau of Economic Research Series: NBER Working Papers ; 30550 Material type: Text Publication details: Cambridge NBER 2022 Online resources: Click here to access online Availability: Items available for loan: IGIDR (1). Place hold Save to lists
	2.		Societal disruptions and child mental health : Evidence from adhd diagnosis during the covid-19 pandemic / Seth M. Freedman et al by Freedman, Seth M et al National Bureau of Economic Research Series: NBER Working Papers ; 30909 Material type: Text Publication details: Cambridge NBER 2023 Online resources: Click here to access online Availability: Items available for loan: IGIDR (1). Place hold Save to lists
	3.		Designing difference in difference studies with staggered treatment adoption : Key concepts and practical guidelines / Seth M. Freedman et al by Freedman, Seth M et al National Bureau of Economic Research Series: NBER Working Papers ; 31842 Material type: Text Publication details: Cambridge NBER 2023 Online resources: Click here to access online Availability: Items available for loan: IGIDR (1). Place hold Save to lists

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