But families with less income can mentor their children through the process without matching their contribution.

FORBES: Fund a Teenager's Million-Dollar Retirement

Co-operation would nonetheless quickly break down if individuals could enjoy the advantages of division of labour without making a contribution of their own.

ECONOMIST: Economics focus

Many open people spend their careers without thinking much about what they're accumulating in their pensions and defined-contribution savings plans.

WSJ: How Emotions Affect Your Investing

And so today's debate in their Lordships' House proceeded without a Nationalist contribution.

BBC: Spectre at the feast