نتایج جستجو برای: randomized control trial

تعداد نتایج: 1689736  

Journal: :American Economic Journal: Applied Economics 2021

We assess whether imperfect knowledge of labor regulation hinders job creation at small and medium-sized firms. partner with a law expert organization that provides information about via newsletters access to specialized website. randomly assign 1,800 firms get this service for 21-week period. Six months later, the average employment level treatment was 12 percent higher than control The interv...

Journal: :Clinical and Experimental Health Sciences 2021

Objective: The aim of this study was to evaluate the effects continuous labor support by midwife.

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