The COVID-19 pandemic has led to an increase in public debt in most countries. This will increase fiscal pressure in the future. We study how the shape of the optimal nonlinear income tax schedule is affected by this increase. We calibrate the workhorse optimal income tax model to five European...

Several African countries have to increase their tax revenues to finance human and economic development. General consumption taxes, such as VATs, are the preferred instrument for doing so, because they are less detrimental to growth than income taxes. To enable their use, VAT design has to be...