Abstract
The connection between some observational properties of active galactic nuclei and their host galaxies is studied using a self-consistent model of galactic evolution which reproduces the main features of elliptical galaxies. It is shown that stellar mass loss, calculated in detail from a mixture of stellar generations, can explain the bolometric luminosities and active nucleus-to-host galaxy luminosity ratios of local quasars residing in ellipticals (i.e., the radio-loud ones), under the hypothesis that the power supply is primarily gravitational. The time dependence of the mass-loss rate, however, seems to be too weak to explain quasar evolution as inferred from observations
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