Needs

The definition of scarcity that I just introduced is based on the notion of needs. To argue that there is a shift in scarcity from capital to attention thus requires an agreed upon set of needs to show that we indeed have sufficient capital. Can we make progress in defining what constitutes a set of basic human needs?

I am not proposing that this is a simple task. What follows should be considered a way of starting a dialogue. A list of basic needs is a piece of knowledge. As such it can be improved over time through the process of critical inquiry. You can critique my list by pointing out flaws, you can also propose changes to my list, or you can publish your own list altogether.

One of the benefits of my approach to writing World After Capital out in the open, and with revisions tracked, is that you can see how my thinking on needs has evolved over time. In an earlier version I tried to group needs into categories such as biological, physical, and social. But the boundaries between those seemed rather arbitrary upon further examination. So in the current version I am distinguishing only between individual and collective needs, where the former will apply to a single human wherever and the latter are the needs of humanity as a whole.

Another challenge in putting together a list of needs is that it is all too easy to confuse a need with a strategy for meeting this need. For instance, eating meat is one strategy for addressing the need for calories, but humans can acquire calories from many other sources.

Individual Needs

These are the basic needs of the human body and mind. Without them individual survival and flourishing is impossible. A single individual has these needs even when isolated, such as traveling alone in a spaceship.

The first set of individual needs comes from keeping our bodies powered, these include:

Oxygen. Humans need on average about 550 liters (0.55 cubic meters) of pure oxygen per day [28]. The exact need of course varies with factors such as the size of our respective body and the degree of physical exertion. Our most common solution to this need is breathing air.

Water. We need to drink on average between 2-3 liters of water per day to stay hydrated [29]. Again various factors such as body size, exertion and temperature will affect the exact need.

Calories. To power our bodies we require anywhere from 1,600 to 3,000 calories per day, again depending on body size, activity level etc [30]. We solve this need by consuming food. The best way to do this, however, is surprisingly controversial and poorly understood for such a basic need. In particular, the degree to which we have a need for fats versus carbohydrate intake.

Nutrients. The body cannot synthesize all the vitamins and minerals that it requires. Therefore some of them must be obtained directly as part of our nutrition. This too is an area that is surprisingly poorly understood, meaning which nutrients exactly we really need to acquire externally seems unsettled. There is a wide range of food consumption strategies that seem to support the human body.

Discharge. So this may be a bit gross but we also need to get things out of our bodies again, including expelling processed food, radiating heat and exhaling carbon dioxide. A lot of human progress has come from better strategies for solving our discharge needs, such as public sanitation. For fans of science fiction, like myself, dealing with the problems of discharge is an interesting limit on our ability to cloak ourselves.

The second set of individual needs relates to the operating environment for humans. From a cosmic perspective, humans have an incredibly narrow operating range, which is provided for, without technological assistance, only in a few places even right here on Earth. Here are some of our basic operating needs:

Temperature. Our bodies can self-regulate their temperature within a limited range. We have a need to control our environment to help our bodies with temperature regulation. Common strategies to meet our temperature needs include shelter and clothing.

Pressure. Anybody who has gone diving knows that our bodies do not handle increased pressure around us very well. The same goes for decreased pressure (one of the reasons air travel is exhausting is that planes do not retain sea level pressure).

Light. Most humans would be hard pressed to do much of anything in complete darkness. The Bible introduces light right away with "Let there be light" in the third verse for the Book of Genesis. For the longest time the solution to our need for light was simply sunlight, but much of human ingenuity has gone into the creation of artificial light sources.

The third set of individual needs arises from dealing with a complex and ever changing environment. As we go through life we encounter challenges that we need to overcome. This results in three fundamental individual needs:

Healing. When we damage our body in some fashion it needs to heal. The human body comes equipped with extensive systems for self-healing including combating many foreign substances (including vomiting, diarrhea, antibodies). Beyond a certain range, the body needs external assistance to heal. Here too we have developed many solutions, and often group them under the term healthcare.

Learning. We are born quite, well, stupid. We even have to learn relatively basic skills such as walking and the use of tools. When we encounter a new situation, we need to learn how to deal with it. We group many of the strategies for solving the need for learning under the heading education, but other solutions include self study, experimenting (gaining experience) and parenting.

Meaning. As humans we have a profound psychological need for meaning in our lives. It is what keeps us going. Religion and religious beliefs have long been a key strategy for solving this need. As I have argued in the section on Humanism, there is an objective basis for human meaning rooted in knowledge. Another key strategy to solve this need comes from our interactions with other humans, including having other acknowledge our contributions to a project or simply our existence.

This last set of needs may strike you as being at a much higher level than the earlier needs. It is tempting to try and sort needs into a hierarchy, as Maslov did. That seems intuitively appealing but is misleading. All of these needs are essential. As a thought exercise, picture yourself in a spaceship and try to remove any of the above.

Collective Needs

Our collective needs by contrast arise from living together in societies and sharing space and resources. Meeting these needs is what allows human societies to survive and advance.

Reproduction. Individuals can survive without sex, but reproduction is a need for societies as a whole. As humanity we have already learned how to solve the need for reproduction without sex. In the future there may be altogether different solutions for reproduction in the sense of the continuation of a human society (whether here on Earth or elsewhere).

Allocation. Despite abundance in the digital realm, access to physical objects and resources has to be allocated. Take a chair as an example. Only one person can sit in a chair (comfortably) at a time. When there are multiple people we need a solution for allocating the chair between them. That's why allocation is a collective need. If you are by yourself you can sit on a chair whenever you want to as there is nobody else to take it up.

Motivation. This may seem like an individual concept but it exists as a collective need in the following sense: Societies need to motivate their members to carry out tasks and follow rules. Even the most primitive societies have solutions for this problem often in the form of rewards and punishments.

Coordination. Whenever there is more than a single human involved in any activity, there is a need for coordination among the participating humans. Take a simple meeting among two people as an example. In order for the meeting to take place they need to show up at the same place at the same time. We have developed many different communication and governance mechanisms to address this need.

Knowledge. As I have argued in the prior sections on Optimism and Humanism, this is the central collective human need. Without increased knowledge a society will encounter problems that it cannot solve and will be decimated as a result. History is full of examples of societies not having enough knowledge, such as the Easter Islanders or the Mayans. This is not about what any one individual has learned but rather about the body of knowledge that is accessible to society as a whole. Much of the later parts of World After Capital are about solutions for generating more knowledge faster.

These collective needs may strike you as overly abstract. But this is the logical result of identifying needs, instead of solutions. Governments and laws, for instance, are one of the solutions to some of these collective needs. But so are markets and firms and more recently networks and platforms.

Enablers

Now you might ask, what about energy? Don't we have a need for energy both individually and collectively? It would seem that individually we need energy to maintain the temperature of a house. Or that collectively we need energy to power our communications infrastructure. But as those two examples show, energy is not a direct human need (either individually or collectively). Instead it is an enabler of specific solutions to our needs. Some solutions will require more energy than others.

Here are four foundational enablers. I am listing them in the Needs section, as readers have at times proposed these as additional needs and I had in a prior versions included them among Collective Needs.

Energy. For the longest time humanity relied on direct sunlight as the primary source of energy. Since then we have developed many ways of generating energy, including better ways of capturing sunlight. Producing more energy and having it available in concentrated and highly regulated form via electricity has made many new solutions for human needs possible.

Resources. In early human history all resources were simply found in nature. Later we started both growing and extracting resources. Many modern solutions have been made possible by access to new kinds of resources. For instance, mobile phones give us new solutions to individual and collective needs. Building mobile phones is enabled in part by some esoteric raw materials, such as so call rare-earth elements.

Transformation. Energy and resources alone are not enough though. To enable most solutions we need to figure out how to use energy to transform resources. This involves chemical and physical processes. Capital, as in physical capital such as machines, has been a crucial enabler for many new solutions to human needs. For instance, a knitting machine can transform yarns into clothing at high velocity. Clothing is one of our key solutions for maintaining the human operating environment.

Transportation. The final foundational enabler is the ability to move stuff (using stuff broadly to include people). This is another area in which we have made great progress over time, going from human powered transportation to animal powered to machine powered, including planes, trains and automobiles.

Again I have chosen these enablers at a high degree of abstraction on purpose. Coal-fired power plants provide energy (in the form of electricity) and so do solar panels today and nuclear fusion at some point in the future. These three examples have dramatically different characteristics but they all are fundamentally energy enablers.

This is my current working version of needs (and enablers). I have now revised this section fairly substantially for a second time. And while I fully expect further changes, I believe it now properly sets up my core argument that capital is no longer the binding constraint on meeting everyone's individual needs and our collective needs. Capital is also no longer a binding constraint on creating new, more powerful enablers.

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