The name is absent

is[0:010106;0:01061]:

T able 6summarizes long-run occupational distribution in this last sce-
nario.

T able 6: evolution of occupational distribution in scenario IV (progenitors ! long- run) .

Itis therefore possible tostate the following:

the decrease ofindividualaltruism forces a very high share ofthe pop-
ll Iaticn tcpcvertyand ncn-cμaii...caticn. T his cend∈mnaticn is higher,
the more the progenitors cannctcP crd human capital investment;

² tcrsuÆ Cjentzyhighegcism and Cweveife cfgrcss return pere¢ ciency
unit, the whcle pcpulaticn, independently frcm initial ccnditicns, al-
mcstccllapses tcaunicuecccupaticn (ncn-cuali.edwcrkers) andwealth.

T hese results can provide a rationale for the familiar determinants of
socialmobility. Both theempiricaland thetheoreticalliteraturehas stressed
thatthese determinants are both genetic and altruistic. The strongerthese
components, the more sons’ income and wealth are related to fathers’ ones.
G enetic components consists in the ability to earn (productivity) inherited
from fathers. A ltruisticcomponents makesons’incomedependingonfathers’
ones thanks tofathers’investments in sons’education and upgrading. In the
modeldeveloped in this paper, ifskills are inheritable and incomes are skill-
dependent, sons’ income is related to the fathers’ one.  A nalogously, the

more fathers bequeath theirsons, the more sons’income and wealth destiny
is downward rigid. The worstsons can perform is toremain in theirfathers’
income and wealth classes. In otherwords a high altruism implies upward
mobility between income, wealth and occupationalclasses.

T heperfetinheritabi Iityoftechnical ine£ Ciencytheretorecan give nseto
long-run distributions ofwealth which areeitherstrictlydependenton initial
Ccnditicns or not, accordingto the ccn..guraticn Ofstructural parameters.

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