Thursday, September 25, 2014

New Comments Policy

Commenting no longer requires sign in with a Google account. It is now possible to comment anonymously or under the pseudonym of your choice (one pseudonym per person please).

Wednesday, September 24, 2014

On the libertarian (ish) moment (part iii prelude) – Economic Frameworks

Recap: I’m doing a series on the libertarian (ish) moment looking at why it feels like its happening, and thinking about if we can expect it to continue. Last post I checked my assumptions about the internet increasing awareness of corruption and came to inconclusive but negative leaning results.

For this post, I’m going to lay some ground work for part iii talking about economic frameworks and what situations should make us think we should shift our frameworks.

Economics does a pretty good job of describing how certain idealized actors behave in certain idealized situations and what the consequences will be in perturbing those specific situations in specific ways.

In situations of pure competition, with perfect information, and no externalities, the default outcome is provably the most efficient and any intervention will make things worse.

In situations of pure monopoly without price discrimination, the default situation is provably inefficient and price controls will probably lead to better results with higher output, lower costs, and greater total surplus.

In situations with externalities, a tax or a subsidy will make the situation better depending on the direction of the externality.

In situations with information asymmetries, the dynamics are more complicated than in the above cases, but usually some regulatory action exists that is an improvement.

The reason I run through all these scenarios (and there are more that I skipped) is that people sometimes naively say “economics tells us that…”, when in fact economics tells us wildly different things (in some cases directly opposite things) depending on the situation. Getting the economics right often amounts, in practice, to correctly diagnosing the situation and picking the right framework.

The relevance of the above, is that if a situation has changed materially, it is almost always going to be the case that the economically prescribed regulatory environment has also changed. Suppose, you like a particular regulatory regime and feel it is well tailored and effective. If the world changes in such a way as to add or remove a significant externality, add or remove a significant information asymmetry, or to substantially increase or decrease the level of competition or market diversity then you should have a strong presumption that the regulatory regime is no longer appropriate. If a regime still seems appropriate after a big change, rather than believing it is still appropriate, we should consider that we might have missed something, or succumbed to status quo bias, or may have a sentimental attachment to things past.

Thursday, September 18, 2014

Scottish Independence would be the End of the World

There hasn’t been much reporting on the Scottish independence vote in the US press. What coverage there is has been rather blasé’. They point out that yes, they probably should stay in the union, but otherwise don’t hit the issue too hard. A rare exception has been Krugman , who, as usual , is the most correct person in all of mainstream media.

There is no complacency on this blog. Scottish Independence would be the End of the World. Well, that’s a slight overstatement, but Scottish independence has the potential to be really bad. So as noted, Scotland will fall into economic ruin.

Testable prediction: within 15 years, an episode of unemployment / joblessness above 20%.

It could also trigger a variety of follow on negative consequences.

Testable prediction: Greater than 10% chance of rioting / civil unrest in Scotland conditional on economic ruin.

Testable prediction: Greater than 5% chance of rioting / civil unrest due to independence movements in a region of continental Europe within 5 years of Scottish Independence.

Testable prediction: Greater than 5% chance of rioting / civil unrest due to independence movements in a region the UK within 5 years of Scottish Independence.

Scotland leaving takes a lot of the most pro EU voters out of the UK. Testable prediction: Greater than 25% chance of UK leaving the EU within 2.5 years of Scottish Independence. Further prediction: greater than 33% chance of ‘seriously messed up sh#$’ happening within 5 years of UK leaving the EU.

The UK would be diminished globally if Scotland leaves. Testable prediction: Greater than 85% chance of an international organization with the UK as a member failing to stop something awful with 5 years of Scotland leaving.