I recently stumbled on a book called "How Rich Countries Got Rich ...and Why Poor Countries Stay Poor" by Erik S. Reinert a fellow Norwegian. This is a topic of great interest to me and from what I could read in the first pages it took a more historical approach to economics, rather than the mainstream mathematical one.
Background for interestI found this interesting in context of the current financial turmoil. Neo-classical economic theory has just taken a hard blow. Greenspan has admitted that he was "wrong", in the sense that markets are not as self regulating and self-correcting as neo-classical economists often like to think.
So that is why I started reading this book with interest, only to be majorly disappointed. Well, it could get better. I have only read the first chapters, so that is why I call this part 1.
Method of reasoningWhat I strongly dislike about the book is excessive name dropping and what in my mind amounts to cheese Hollywood "one-liners". All through the pages I have read Reinert mentions countless economists, scientists and philosophers, but without doing much more than mentioning a single sentence they said about something to backup his own ideas. Just to pull a random example:
Recognizing this in the middle of the Cold War, in 1955, Nicholas Kaldoor (1908-86) wrote that "the Marxian theory is really only a simplified version of Ricardo, clothed in a different garb"
For us to understand why Communist economic theory and neo-classical is very similar Reinert should explain concretely why by mentioning concrete examples of assumptions and predictions in both theories. Instead he pulls quotes like this full of irrelevant information for almost anything he asserts. Do we need to know that this was in the middle of the Cold War? Do we need to know when Kaldoor wrote this? Do we need to know when he lived? Name dropping a bunch of people who said single sentences that amount to back up your view on economic theory, does not assist the reader in understanding why that is so. We are just invited to believe you because apparently so many smart people seem to think what you think, but we don't need to know why apparently.
Reinerts flawed understanding of scienceReinert goes to great length to ridicule current economic theory based on abstract math. Of course this is not completely unwarranted. The mathematical models are based on assumptions which are often crude approximations to reality. Economics also suffer from the problem that unlike a lot of other science one can not conduct experiments were one can control variables properly.
But from there to completely dismiss the validity of using abstract mathematical models for economics is big step. Reinert argues that mathematical economic theories today assume each person is identical, each labour hour is equal etc and thus reach the wrong conclusions because in reality differences are considerable between humans, type of work etc.
But Reinert is completely missing the point. Nobody who do mathematical abstractions of the real world pretend that these abstractions are the same as the real world. But that does not mean that these abstractions are worthless. These abstractions are also contrary to what Reinert seems to suggest not unique to the field of economics. It applies to every science.
Reinert likes to compare todays math based economic theories with theories in physics, but physics makes the same kind of generalizations and abstractions as made in economics. In physics we also have to assume things that don't exist in the real world like perfect spheres, frictionless surfaces etc. Even in physics you can't just apply theories willy nilly without considering context. Sometimes one has to use the wave-theory for describing the behavior of light and sometimes one has to use the particle theory to describe behavior.
Abstractions and assumptions are necessary to be able to reason about particular aspect of a system. When we make economic theories, we don't need to consider human beings digestive system or hair color to make a useful theory. The key is to extract those traits which matter to economic behavior. That current theories make assumptions about economic behavior which is wrong does not make the approach of abstraction wrong. It simply indicate that we need to find better assumptions and adjust our theories.
Failure to understand the concept of comparative advantageReinert paints a caricature of what comparative advantage is about. In fact I am wondering whether he actually understands it at all.
He takes the example of comparing a waitress to an engineer or a country of dishwashers and shoeshiners with a country of lawyers and stock brokers. In fact he makes these comparisons repeatedly with rehashing the same point over again and over again without bringing anything new to table. The last paragraph I read about comparative advantage he is ridiculing the idea that a stone age labour hour should produce the same wages as a Silicon Valley labour hour according to Richardian trade theory.
There are a number of flaws in these comparisons and I will try to address the most obvious I can spot.
First of all comparative advantage does not imply that we will get the same wages. It simply states that wages will be better than if each one did not stick to their comparative advantage.
The principle of comparative advantage is not really that difficult. It is clearly explained at
wikipedia. I am a software developer by trade. I could in theory build my own house and a builder could in theory write software. Except neither of are very good at what the other one does and would have to spend a lot of time learning the other trade and then do a shitty job at it. So rather than my taking some days of each week to build my house, it is better than I work the whole week writing software and paying a builder to make my house. He can use that money to buy my software rather than spend ages creating it himself. We are both better off even if that doesn't mean that the builder will make the same amount of money as me.
I believe the core of Reinert's misunderstanding is that he equates a way of performing a trade with the trade itself. If you specialize on washing dishes by hand of course you can never get rich. But if you specialize on simply washing dishes you could eventually automate it in some way, increase productivity and get higher returns.
Secondly Reinert takes a too static view of comparative advantage. We are of course talking about a limited time scale. Richardian theory doesn't ban you from educating your population. Even if a country focus on its comparative advantage and that happens to be say agriculture that doesn't prevent manufacturing from entering naturally. If one continuously improve productivity in the farming sector then eventually there will be a lot of unemployed people. They got to do something. We see this thing all the time. Simpler types of manufacturing moves from developed countries to developing countries thus spreading development.
Look at e.g. China it is a developing country and even if it opened up its borders to complete free competition they would still be manufacturing things for the whole world. Why? Because it is still cheaper to manufacture in China than anywhere in the western world. Factories would move there regardless.
And yet according to the theories of Reinert, a country like China should be stuck being poor. It would only develop industry if it protected its own. But China doesn't need to protect any domestic industry. Industry moves in from abroad regardless.