1. Recklessness and irresponsibility of those in finance.
2. Wholesalers put up prices,
3. 'Producers' of raw materials put up prices.
4. Energy cartels raise prices quickly and lower them slowly.
5. All that bail-out money has to come from somewhere.
6. Privitisation leadsa to higher prices, like UK railways.
7. Business is unwilling to lower prices despite a recession.
8. Growing unemployment costs.
9. Rising Ceo pay costs.
10. The domino effects of any combination of the above.

11. Any others?