Bolometric quasar luminosity function at different redshifts predicted by the models (solid black, red, and green lines for ϵ = 0.05, 0.07, and 0.1, respectively), and compared with the estimates from Hopkins et al. (2007, blue dashed lines plus cyan shaded areas for the 1σ uncertainty). Black dotted lines show the contribution to the LF from SMBHs with mass in the interval indicated in the plots (e.g., “6” corresponds to a mass interval [ 5 × 105, 5 × 106) M⊙) for the model with ϵ = 0.05.
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