Author: Masao Fukui; Kohei Kawaguchi; Hiroaki Matsuura
                    Title: Does TB Vaccination Reduce COVID-19 Infection?: No Evidence from a Regression Discontinuity Analysis  Document date: 2020_4_22
                    ID: gtzi409o_10
                    
                    Snippet: where µ i and λ t are country i and age-group t specific fixed effects. We ignored the effects of potential coverage by revaccination policy in the difference-in-difference analysis......
                    
                    
                    
                     
                    
                    
                    
                    
                        
                            
                                Document: where µ i and λ t are country i and age-group t specific fixed effects. We ignored the effects of potential coverage by revaccination policy in the difference-in-difference analysis.
 
  Search related documents: 
                                Co phrase  search for related documents- age group and difference difference analysis: 1, 2
  - age group and potential coverage: 1, 2
  
 
                                Co phrase  search for related documents, hyperlinks ordered by date