Abstract: Sample selection bias is common in economic models based on micro data. Despite the continuous generalization of panel data surveys most countries still collect microeconomic information on economic agents´ behaviour by means of repeated independent and representative cross-sections....

Sample selection bias is commonly used in economic models based on micro data. Despite the continuous generalization of panel data surveys, most countries still collect microeconomic information on the behavior of economic agents by means of repeated independent and representative...

Informality is a common phenomenon in developing countries and an unusual one in industrialized countries. The persistence of informal employment is indicative of the impossibility of moving out of this status for a certain period of time. Using pseudo panel data, empirical evidence is presented...