John Kay had an interesting column in today's Financial Times ("
How the Skies Proved the Limits of Regulation"). Here is the punch line:
The airline industry also illustrates the difference between regulation and supervision. Supervision is shadow management with a public interest orientation, its purpose to ensure universal adherence to good behaviour. Regulation is narrowly focused on specific issues of public concern. Supervision demands knowledge of the industry, regulation demands knowledge of the public interest and public concerns. So nine of the 11 members of the board of the Financial Services Authority occupy or recently occupied senior positions in financial services, but only two of the nine-member board of the water regulator have worked in water companies.
History suggests that supervision is rarely a success.
Kay is onto something, but he drew the line at the wrong point. Intelligent regulation does require knowledge of the industry. The "knowledge of the public interest and public concerns" of which he speaks identifies the benefits of regulation. What about the costs? To understand those, you need to know the full effects of regulation on the industry. "Regulation" is as much an exercise in cost-benefit analysis as "supervision. The distinction he makes he just not tenable.
Atkinson and
Stiglitz laid out the basic model long ago. Government takes an action in "stage 1." Industry responds in "stage 2." Government will take the industry response into account in deciding what to do in stage 1. But, what does that mean? It means that government uses its knowledge of how the system works in setting the policy.
This knowledge is important whatever the government's objective. It may want to find the highest net benefits. It may want to do something else. Regardless, and whatever you call the action ("regulation," "supervision"), government needs to know, as fully as possible, the effects of the action on the industry.
Having said all that, there is perhaps a distinction to be made between
licensing on the one hand and regulation/supervision on the other. Kay focuses on the airline industry in his article and talks about how regulation went astray. No one seriously believes that pilot licensing went astray. This holds for the mechanics and other skilled workers who work for the airlines. I doubt that you can produce "airline engines" without a slew of licenses verifying not only that the production environment is safe but also that the engines are sound.
Why does licensing pass all intuitive cost-benefit tests? Licensing-regulation-supervision form a continuum of control, but licensing is the first step in that continuum. Under standard (and reasonable) assumptions, the benefits will almost surely exceed the costs. Furthermore, licenses tend to be granted according to rules and not discretion (although not always--alcohol is always special and liquor licenses are often granted with a fair amount of discretion). To the extent rules are used, the allocation of licenses is not subject to regulatory capture.
Kay has the right idea. He just did not take it far enough.