What's more, for some companies, the business case for using the site can seem unclear, with no direct correlation between Twitter followers and sales.

WSJ: CEOs on Twitter: Fear Makes Some Executives Leery of Social Media

But the majority have not had their support cut and this is reinforced by a recent report by Demos and Scope, Coping with the Cuts, which found no direct correlation between budget reductions and the impact on local people.

BBC: Charity cuts fear for those with learning disabilities

Pranab Mukherjee, the finance minister, insists there is no correlation between corruption and foreign direct investment (FDI).

ECONOMIST: Business in India