He points out that whilst ministerial promises of thousands of extra beds can be relied on for favourable headlines, there is a danger that expanding hospitals' capacity to cope with unusual peaks in demand could render them inefficient.

ECONOMIST: Health: Winter discontent | The

These investments by Asians, mostly in real estate and golf courses, led to a supply far greater than demand, and was extremely inefficient.

CNN: LETTERS AND COMMENT

At times of peak demand, electricity is made largely from natural gas in turbines so inefficient that saving 1% of U.S. electricity, including peak hours, saves 2% of total natural gas use and cuts its price 3% to 4%.

FORBES: The Case For Efficiency