The limited resources we are talking about encompass everything that is useful to produce goods, services, and “utility” (in the economic sense of better situation) for individuals. No authoritarian “brain,” no central allocator, is needed. How can such individuals live peacefully in society? How is it in their interest to do so? Can they be equally free? Or, from a different viewpoint, who makes the trade-offs and choices?Īs I noted in another EconLog post, an efficient allocation of the limited resources in human society does not require a central planner or strong political (coercive) authorities. Every non-comatose human individual has a keen conscience of his self-interest. Combine that with humans’ unlimited desires and the different preferences among individuals (and the more different they are as civilization advances up to Friedrich Hayek’s “Great Society”), and it becomes easy to understand that social life in human society is much more complicated than among non-human animals. That the hypothenuse of a right triangle, which can be imagined as the deer’s original direction, is always shorter than the sum of the two other sides of the triangle, representing the detour, has been known for some 25 centuries.Ī human individual can make conscious, if not necessarily exact, calculations of the costs and benefits of different courses of action for him, and often reprogram his brain’s software. Its brain resources being very limited, the deer is guided by instinct only, in the sense that it does not to calculate mathematically, or conceptually guess, the extent to which the energy saved by running on harder snow is more than the additional energy spent on the longer path.Ī human doesn’t only depend on instinct. I often observe how, when a deer was going from point A to point B in a snowy field, it will often make a detour to follow a snowshoe or snowmobile tract so as to minimize the energy used. Animals certainly economize on the physical energy they have to expend. (Humans have more options and choices, especially in a prosperous society.) More of the animals’ brain resources are hardwired in the form of instinct. Non-human animals, who have even more limited brain resources than us, must similarly use them for their most urgent tasks, which are to survive and reproduce.
Errors can of course be made, but limited resources make choices unavoidable. We are speaking of individual choices in allocating limited mental powers.
What happens is that brain resources are limited and must therefore be allocated to what appears to be the most important tasks, however lazy or energetic is the individual who owns, or is, the brain. Saying that the brain is lousy is, however, an unfortunate and misleading formulation. So, whatever people say about multitasking, performing two tasks at once leads to worse performance on both, a phenomenon known as dual-task interference. The brain must prioritize how best to allocate its limited resources. Many people believe they are good multitaskers, but the human brain is actually lousy at it-people can only take in and process so much information at one time. Brock Kirwan, a professor of psychology and neuroscience, give an interesting example (“ Why Do We Fall for Hackers? Blame Our Brains,” Wall Street Journal, February 15, 2023): Writing in the Wall Street Journal, Anthony Vance, a professor of business information, and C. For example, mental resources are limited and must be economized, that is, allocated to some tasks instead of others. The economic paradigm of economizing on limited resources is universal.
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