Ofgem says the amount sold in this way remains pitifully low. The regulator is considering forcing companies to trade at least 25% of their power on the longer-term market.
However well you understand the complexity of choice, and the trade-offs it involves between short - and long-term gains, it's hard not to make certain mistakes.
不管你如何了解选择的复杂性，以及短期和长期的利益之间的权衡，你还是很难避免犯某些特定的错误。
3
Some will start leasing the tools of their trade on short-term contracts. Others will simply buy instead of lease, predicts Deloitte, an accounting firm.