Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/71176 
Erscheinungsjahr: 
2013
Schriftenreihe/Nr.: 
CESifo Working Paper No. 4155
Verlag: 
Center for Economic Studies and ifo Institute (CESifo), Munich
Zusammenfassung: 
We formulate a two-period life-cycle model of saving, labor supply, and human capital investments when individuals differ in ability and initial wealth. Borrowing constraints prevent individuals to optimally smooth consumption over the life-cycle and to optimally invest in human capital. We show that the optimal linear income tax is positive - even in the absence of any redistributional concerns. A progressive income tax is efficient because it relaxes borrowing constraints by redistributing resources from the unconstrained to the borrowing constrained stages of the life-cycle. Hence, consumption is smoothed better and investments in human capital increase. The progressive income tax is a second-best instrument to correct the non-tax distortion in the capital market. The equity-efficiency trade-off is therefore less severe when progressive income taxes mitigate capital market imperfections. Simulations demonstrate that optimal income taxes are substantially higher when they alleviate credit constraints.
Schlagwörter: 
labor taxation
human capital investment
credit constraints
JEL: 
H21
I20
J20
Dokumentart: 
Working Paper
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