Alternatives to direct tabulation

One approach to reducing the risk of bias due to undercoverage of administrative registers and, at the same time, avoiding double data acquisition is to sample farms from a complete and updated list and perform record linkage with the register in order to capture register data corresponding to farms selected from the list. If the register is considered unreliable for some variables, related data have to be collected through interviews as well as data not found in the register due to record linkage difficulties.

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