Top  income  share  in  Italy  

Since the mid-eighties, the concentration of income has been increasing more and

more.

Vittorio Amato - http://www.docenti.unina.it/vittorio.amato

Top  10%  income  share  

25

26

27

28

29

30

31

32

33

34

35

1974

19

77

1980

19

83

1986

19

89

1992

19

95

2000

20

03

2006

20

09

Italy: Top 10% income share

Top 10%, 33,87

All the others, 66,13

Vittorio Amato - http://www.docenti.unina.it/vittorio.amato

Top  5%  income  share  

16

17

18

19

20

21

22

23

24

1974

19

77

1980

19

83

1986

19

89

1992

19

95

2000

20

03

2006

20

09

Italy: Top 5% income share

Top 5%, 23,17

All the others, 76,83

Vittorio Amato - http://www.docenti.unina.it/vittorio.amato

Top  1%  income  share  

6

6,5

7

7,5

8

8,5

9

9,5

10

1974

19

77

1980

19

83

1986

19

89

1992

19

95

2000

20

03

2006

20

09

Italy: Top 1% income share

Top 1%, 9,38

All the others, 90,62

Vittorio Amato - http://www.docenti.unina.it/vittorio.amato

Pareto-­‐Lorenz  coefficient  

2

2,1

2,2

2,3

2,4

2,5

2,6

2,7

2,8

2,9

Italy: Pareto-Lorenz coefficient

Vittorio Amato - http://www.docenti.unina.it/vittorio.amato

Sources  and  notes  O Source: author's elaborations based on data Alvaredo, Facundo and Pisano,

(2010). Top Incomes in Italy 1974-2004; in Atkinson, A. B. and Piketty, T. (editors) Top Incomes: A Global Perspective, Oxford University Press, chapter 12. Series updated by the same authors.

O Data available on: http://topincomes.g-mond.parisschoolofeconomics.eu/ O The Pareto-Lorenz coefficients were computed using the top shares estimates.

As a rule they were estimated from the top 0.1% share within the top 1% share: a=1/[1-log(S1%/S0.1%)/log(10)].

Vittorio Amato - http://www.docenti.unina.it/vittorio.amato