If someone really wants my company's business, why shouldn't he be able to do everything he can - including paying me off - to get that business? Because bribery encourages people to make decisions based on the wrong criteria, which means in the business world that it distorts the efficient allocation of resources.

When all is said and done, cheap gas is an illusion, because our reliance on gas creates a whole series of costs that aren't factored in to the pump price - among them congestion, pollution, and increased risk of accidents.

If you thought the advent of the Internet, the spread of cheap and efficient information technology, and the growing fragmentation of the consumer market were all going to help smaller companies thrive at the expense of the slow-moving giants of the Fortune 500, apparently you were wrong.

The paradox of Steve Jobs's career is that he had no interest in listening to consumers - he was famously dismissive of market research - yet nonetheless had an amazing sense of what consumers actually wanted.

What the investment community does like is short-term measures designed to boost share prices.

Companies have long gathered data to break down their customer base into specific segments. Now political parties have become adept at micro-targeting, too, using data on shopping habits, leisure activities, voting histories, charity donations, and so on, in order to pinpoint likely supporters and the type of appeal most likely to win them over.

Pop music thrives on repetition. You know a song's a hit when you've heard it so often that you'll be happy never to hear it again.