Different parts of the world have different degrees of prosperity, as is clearly evident if you look around even cursorily. Indeed that fact is so obvious, persistent and ubiquitous that it is not the least surprising to us. It is almost as if it is an unalterable feature of nature and therefore there’s nothing we can do about it. But why is it so? Why do some groups of people do better than other groups? What are possible factors that determine the fate and fortunes of various groups?
One possible answer is that different groups are differently genetically endowed. Perhaps some groups are naturally more intelligent. But that cannot be the correct – or at least the complete – answer since humans are, broadly speaking, fairly uniform in their genetic inheritance barring the superficial characteristics such as skin color or other distinctive physical features. Even if you grant that there are distinctions between different groups of people which consequently lead to differences in their prosperity, there are enough examples of genetically identical groups achieving differential prosperity.
So for instance, Germans and Koreans differ in many ways: their physical characteristics, their culture, their history, the climate in which they live, and so on. Therefore, it is natural to expect differences in their economic prosperity, and if that’s what actually happens, it would not be surprising. But what if the groups are identical – such as the (erstwhile) two Germanys, or the South Koreans and North Koreans – and yet they end up in different parts of the economic spectrum? West Germany was successful and East Germany not so successful even though they started off identically. The success of South Korea stands in marked contrast to obvious failure of North Korea.
Unlike say in the physical sciences where researchers can do controlled experiments to determine how the world works, in the social sciences it is not possible to conduct laboratory experiments involving country-sized groups of people. So they have to rely on natural experiments that are available fortuitously. The German and Korean cases are just two of scores of natural experiments which tell us that it is not genetics, that it is not culture, that it is not resource endowments, it is not history, etc, that could explain the differences in outcomes. They could be part of the explanation but certainly not the most significant part of the answer. There’s something else that matters.
I believe that the most important part of the answer is just one word: rules.
Humans are unique in their ability and desire to invent rules. Humans make stuff – shoes and ships and sealing wax – but more significantly, humans make rules. Rules are ubiquitous and rule-making define humans more than the ability to make and use material artifacts. In fact, rules form the invisible foundation on which human civilization is constructed. All the stuff we have is the product of rules and a bit of human labor. Labor is not a big deal. You can pick up labor from any part of the world, and from any time in history. But there’s something that exists today that did not exist any time in the past.
Human civilization of 2000 years ago, or even a 100 years ago, differs from today’s civilization in the set of rules. The rules, and the recipes on how to combine stuff and labor to produce more interesting stuff, are critical.
We have rules coming out the wazoo. We have rules for everything. They are as invisible as the air that we breathe and just as necessary. Without our rules, our lives would be – as Tevye conjectured – as shaky as a fiddler on the roof. So it makes sense for us to ponder rules for a bit.
First, what are these rules? Take a simple example: traffic rules. Drive on the right side of the road (except for when you are in some third world countries such as the UK or India); red means stop and green means go; come to a complete halt at a stop sign. Some traffic rules are completely arbitrary. But because of tradition and history, we are stuck with them. Traffic rules are an example of rules that help coordination. If we don’t follow them, we end up causing major harm to all concerned. So there’s a rule which says you must obey traffic rules. That is meta-rule – a rule about rules.
Another example of rules: double-entry bookkeeping. Without it, accounting would be a mess. That’s an example of standards. Standards are an amazing invention. You cannot imagine the modern world operating at all without standards. There are professional bodies which define the standards for every conceivable thing. Without them, modern manufacturing would be impossible. Sizes are standard. The size of the windows and doors, the size of the beds, the size of screws and fasteners, the size of pipes and fittings – look around the house (in any developed country) and you will see standards everywhere. We can afford electronic gizmos because there are standards. Without standards, the goods (both intermediate and final) would not be interoperable, thus making manufacturing costly.
Standards literally rule us and standards are rules. The modern world is awash in standards. All the electronic gizmos I am using to write this, and for you to read it across time and space, is brought to you courtesy of standards. Language itself is a set of standards. Language is a prime example of rules and standards. The syntax and the semantics that make up a language are nothing but standards and rules that have evolved over time and which we all agree to. Can you imagine life without language?
There are rules on how to make rules. The mother of all rules – the mother meta-rule – is the constitution of a modern state. The constitution tells you how to make rules and defines broadly rules the constructed rules must obey. Start with a good constitution and things will turn out good; start with a bad constitution and god help you, since disaster is guaranteed. The constitution is perhaps the most important set of rules that determines the fate of societies. We will get back to this later.
For now, let’s note one important feature of rules. Rules are what economists call “public goods”. Economists divide goods into two disjoint sets: public goods and private goods. Private goods are the things that you can hold in your hand or kick with your foot. They are material objects. Material objects are “rivalrous in consumption,” meaning that your use of it prevents its use by others. You and I cannot simultaneously eat the same cookie or wear the same pair of pants. Public goods are those which are not rivalrous in consumption. Your use of it does not diminish the quantity available for use by others. A recipe is a public good because although you can use a recipe, you cannot “use up” a recipe. A recipe is an idea on how to do something. The generalization of this concept is that ideas are public goods. Rules are ideas and they are therefore public goods.
An interesting philosophical question: are rules inventions or are they discoveries? Rules of nature (generally called laws) are certainly discoveries since they exist a priori and require neither humans for their existence nor human acquiescence. The law of gravity operates independently of human motive or action. Not so the set of laws or rules that humans use, and so they are inventions. Humans invent rules, and since these rules are public goods, the set of invented rules are available for use by anyone who cares to use them.
Rules, standards, man-made laws – these are different ways of saying the same thing. They all figure prominently in the explanation of why different groups of people have different outcomes in the great big economic game. It all depends on what set of rules they choose to play by. Groups that choose wisely, prosper; those that don’t, either stagnate or regress. Thankfully, humanity has had a lot of time to invent a very large set of rules and also had a lot of time to figure out which ones work and which don’t. In a globalized, interconnected world where ideas are not confined to any specific geographic location, and where ideas are free for the taking, the question arises: why do some groups choose a bad set of rules? Don’t they realize that better rules are also there for the taking?
Why isn’t the world uniformly developed? Why is there so much inequality? That, my dear ladies and gentlemen, boys and girls, is a most interesting matter that we will turn to presently.
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