The pound and shares have fallen sharply after the UK general election produced no clear majority.
The markets are concerned that a weak government might be unable to reduce the country's high budget deficit quickly.
If politicians cannot take decisive action on tax and spending, what would the consequences be?
Paul Lewis discusses the issues with Martin Weale, director of the National Institute of Economic and Social Research, and Merryn Somerset Webb, editor-in-chief of Money Week.
Fears Greece could go global
The European Union and the International Monetary Fund have agreed a bail-out for debt-laden Greece.
But could the Greeks' economic problems spread to other countries?
There is anxiety in financial markets that they could and, in doing so, hinder the global financial recovery.
Paul Lewis talks to Gilles Moec, senior European economist at Deutsche Bank.
Personal banking complaints
In recent weeks, Money Box has reported on various changes to personal banking that have led to many unhappy customers getting in touch with the programme.
Their complaints relate to matters such as the phasing out of cheques, and the imposition of minimum limits for over-the-counter cash withdrawals.
Are the banks really not providing a sufficiently customer-focussed service, or is it just that some customers opposed to change need a nudge in the right direction?
How to build up a credit history
To qualify for loans and credit cards, you need to have a credit record.
But if you have been living abroad, it may not be sufficient.
How can you build up a credit history from scratch, if you are returning from life overseas?
Paul Lewis talks to Neil Munroe from the credit reference agency, Equifax.
BBC Radio 4's Money Box is broadcast on Saturday at 1204 BST and repeated on Sunday at 2102 BST.