income is sometimes a month, sometimes a quarter, and sometimes a year. This reference period of income likely affects the …When individual or household incomes are collected for administrative or scientific surveys, the reference period of … period of income. Estimates from annual, quarterly and monthly distributions are provided for one and a half decades …

income is sometimes a month, sometimes a quarter, and sometimes a year. This reference period of income likely affects the …When individual or household incomes are collected for administrative or scientific surveys, the reference period of … period of income. Estimates from annual, quarterly and monthly distributions are provided for one and a half decades …