This paper reviews the analytical and empirical evidence on certain issues in commodity tax design that have not received much attention. These include the impact on optimal commodity taxes of allowing the following: (i)non linear Engel curves, (ii)Household composition and child subsidy,...

The unitary household model implies pooling of all individual incomes. This study distinguishes between various types of income pooling and tests them on Australian household income/expenditure data. The tests recognise the endogeneity of both earned and unearned income and are performed using a...