IZA Journal of Labor & Development

Table 1 Wage inequality among formal and informal workers by year using Theil inequality index

From: Wage inequality and informality: evidence from Mexico

Year	Formal workers	Informal workers	% difference
1987	0.169	0.372	120
1988	0.241	0.484	101
1989	0.333	0.529	59
1990	0.312	0.533	71
1991	0.338	0.480	42
1992	0.319	0.601	89
1993	0.355	0.617	74
1994	0.341	0.530	55
1995	0.393	0.718	83
1996	0.329	0.576	75
1997	0.327	0.594	81
1998	0.332	0.539	62
1999	0.304	0.528	74
2000	0.301	0.543	81
2001	0.294	0.452	54
2002	0.307	0.450	47

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