The name is absent



modify the long-run occupationalstructure, the supportofthe long-run
distribution andthe long-run average andaggregate income andwealth.

T hings changes in scenarios I and III. Inhscenario I, the cilosed and irre-
dudbesetofpersistentstatesistheinterval
(bw;q)* ; (be;q)*ax = [2.25; 9.83].
In the long- run all the pecpeare cμali...ed and Cng- run average wealth in-
creases with respect tc the genetic transmissicn hypcthesis. It gces frcm
2.863 tc5.05. M Crecverwealth concentration decreases: theG ini cce¢dent
becomes 0.1759.

T he factthattechnical ine¢ dency is purely stochastic; opens up a way
outofpoverty and non-cuali.cation to the sons ofnon-cuali.ed agents. In
thelong-run thewholepopulation is cuali.edandthegreatmajorityconsists
ofentrepreneurs (73% ofthe population). A nyway entrepreneurs are notal-
ways belongingtothe samedynasties, sincetherealways exists occupational
mobility. T able 7 summarizes the evolution ofthe occupationaldistribution
in this case.

N Q

Q

marg.

distr.

W

0.5366

!0

0.08 !   0.2666

0.6166 !

0.2666

E

0.1633

!0

0.22 !  0.7333

0.3833 !

0.7333

marg. distr.

0.7 !

0

0.3 !    1

____________1

G IN I =

0.263 !

0.1759

T able 7: evolution of occupational distribution in scenario I (progenitors !long-run)

T herefcre the stochastic transm i ssi on oftechni ca l i ndî ci ency bri ngs about
the possibility of social climbing. In the long-run the whole population is
cμaii...ed

In scenario III the situation is symmetric:  in the long-run the whole

population is trapped in poverty and in non-cuali.cation and distributed
on the support
[0.111732;0.50 2 8] . M ostofthe people are workers (76.66%).
Themean wealth is lower(0.156). The long-run occupationaldistribution is
summarized in Table8.

N Q

Q

marg. distr.

W

0.69 !

0.7666

0.01238 !   0

0.70238 !  0.7666

E

0.21 !

0.2333

0.08762 !   0^

0.29762 ! 0.2333

marg. distr.

9.9

!1

0.1 !   0 ~

1

G IN I =

0.263 !

0.1993

T able 8:evolution of occupational distribution in scenario II I (progenitors !long-run)

24



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