Heterogeneity and Government Revenues: Higher Taxes at the Top?
By Nezih Guner, Martin Lopez-Daneri and Gustavo Ventura
http://d.repec.org/n?u=RePEc:iza:izadps:dp8335&r=dge
We evaluate the effectiveness of a more progressive tax scheme in raising government revenues. We develop a life-cycle economy with heterogeneity and endogenous labor supply. Households face a progressive income tax schedule, mimicking the Federal Income tax, and flat-rate taxes that capture payroll, state and local taxes and the corporate income tax. We parameterize this model to reproduce aggregate and cross-sectional observations for the U.S. economy, including the shares of labor income for top earners. We find that a tilt of the Federal income tax schedule towards high earners leads to small increases in revenues which are maximized at an effective marginal tax rate of about 36.9% for the richest 5% of households – in contrast to a 21.7% marginal rate in the benchmark economy. Maximized revenue from Federal income taxes is…
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