Business income constitutes a large and increasing share of income and wealth at the top of the distribution. We … the focus on closely-held and pass-through firms. These considerations influence whether and how labor and capital income …

Business income is important in the upper tail of the personal income distribution, but the extent to which it is … captured by measures of personal income varies substantially across tax regimes. Using linked individual and firm data from … Norway, we are able to attribute business income to personal owners as it accrues rather than when it is realized. This …

The share of pre-tax income flowing to the top of the UK income distribution increased continually and substantially in … tax records, we describe the nature of top incomes in the UK and how they are taxed. We show that wage income is the … dominant source of pre-tax income, even for highest-income 0.1% of UK adults. But, 'active' business income - derived from self …