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thank you. how to generate same id for same firm? for example ASA firms data is from 1990 - 2023 so ASA = 1 for all years?
Thank you so much. This is really helpful.
thank you. how to generate same id for same firm? for example ASA firms data is from 1990 - 2023 so ASA = 1 for all years?
Thank you so much. This is really helpful.