You can't fuel real economic growth with indiscriminate credit. You can only fuel it with well-allocated, long-term investment.

Now, modern economies have a very effective mechanism for deciding if salaries are really too high: it's called the free market. That's how most people's salaries are set, after all, including those of major-league baseball players and European soccer players.

The history of the Internet is, in part, a series of opportunities missed: the major record labels let Apple take over the digital-music business; Blockbuster refused to buy Netflix for a mere fifty million dollars; Excite turned down the chance to acquire Google for less than a million dollars.

On the simplest level, telecommuting makes it harder for people to have the kinds of informal interactions that are crucial to the way knowledge moves through an organization. The role that hallway chat plays in driving new ideas has become a cliche of business writing, but that doesn't make it less true.

No decision-making system is going to guarantee corporate success. The strategic decisions that corporations have to make are of mind-numbing complexity. But we know that the more power you give a single individual in the face of complexity and uncertainty, the more likely it is that bad decisions will get made.

Of course, looking tough on inflation is part of any central banker's job description: if investors believe that inflation is going to get out of control, you end up with higher interest rates and capital flight, and a vicious circle quickly ensues.

Publishers, naturally, loathe used books and have developed strategies to depress the secondhand market. They bring out new, even more expensive editions of popular textbooks every three to four years, in a classic cycle of planned obsolescence.