Italy is employed to simulate and identify income tax-transfer rules that are optimal according to the extended EOp … criterion. We look for second-best optimality, i.e. the tax-transfer rules are not allowed to depend on family background, they … individualized) lump-sum transfer (positive or negative) and by one or two marginal tax rates. A rather striking result of the …

We use a behavioural microsimulation model embedded in a numerical optimization procedure in order to identify optimal … (social welfare maximizing) tax-transfer rules. We consider the class of tax-transfer rules consisting of a universal basic … income and a tax defined by a 4th degree polynomial. The rule is applied to total taxable household income. A …