Then there is a debate on a European Union Committee report on Sovereign Credit Ratings - peers will ponder the findings of their the their Economic and Financial Affairs and International Trade EU Sub-Committee recently published report on those mysterious but all-powerful bodies, the credit ratings agencies.

BBC: Viewing guide: The pick of the week ahead in Parliament

An economist by training, Mr Padoa-Schioppa has climbed almost to the top of Italy's central bank, managed the European Commission's economics and financial affairs division and chaired a prestigious international committee of bank regulators.

ECONOMIST: Italian securities

The Public Accounts Committee (PAC), which is charged with monitoring government financial affairs, has invited the companies to give evidence amid mounting public and political concern about tax avoidance by big international companies.

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Christopher Dodd of Connecticut, whose Banking, Housing and Urban Affairs Committee convenes Thursday, and Rep. Barney Frank of Massachusetts, whose House Financial Services Committee meets Friday.

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The Commons Environment, Food and Rural Affairs committee said the public appeared to have been "cynically and systematically duped" for financial gain by parts of the food industry.

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