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Central Planning Fails to Scale, Unlike Spontaneous Order

05 Tuesday Jun 2018

Posted by Nuetzel in Central Planning, Markets, Price Controls

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Bronze Age, central planning, Client-Server Network, Decentralized Decision-Making, Economies of Scale, Federalism, Francis Turner, Industrial Policy, Liberty.me, Markets, Peer-to-Peer Network, Price mechanism, Property Rights, Scalability, Spontaneous Order

The proposition that mankind is capable of creating a successful “planned” society is at least as old as the Bronze Age. Of course it’s been tried. The effort necessarily involves a realignment of the economic and political landscape and always requires a high degree of coercion. But putting that aside, such planning can never be successful relative to spontaneous order of the kind that dominates private affairs in a free society. The task of advancing human well-being given available resources has never been achieved under central planning. It always fails miserably in this regard, and it always will fail to match the success of decentralized decision-making and private markets.

There are various ways to explain this fact, but I recently came across an interesting take on the subject having to do with the notion of scalability. Francis Turner offers this note on the topic at the Liberty.me blog. To begin, he gives a lengthy quote from a software developer who relates the problems of social and economic planning to the complexity of managing a network. On the topic of scale, the developer notes that the number of relationships in a network increases with the square of the number of its “nodes”, or members:

“2 nodes have 1 potential relationship. 4 nodes (twice as many) has 6 potential relationships (6 times as many). 8 nodes (twice again) has 28 potential relationships. 100 nodes => [4,950] relationships; 1,000 nodes => 499,500 relationships—nearly half a million.“

Actually, the formula for the number of potential relationships or connections in a network is n*(n-1)/2, where n is the number of network nodes. The developer Turner  quotes discusses this in the context of two competing network management structures: client-server and peer-to-peer. Under the former, the network is managed centrally by a server, which communicates with all nodes, makes various decisions, and routes communications traffic between nodes. In a peer-to-peer network, the work of network management is distributed — each computer manages its own relationships. The developer says, at first, “the idea of hooking together thousands of computers was science fiction.” But as larger networks were built-out in the 1990s, the client-server framework was more or less rejected by the industry because it required such massive resources to manage large networks. In fact, as new nodes are added to a peer-to-peer network, its capacity to manage itself actually increases! In other words, client-server networks are not as scalable as peer-to-peer networks:

“Even if it were perfectly designed and never broke down, there was some number of nodes that would crash the server. It was mathematically unavoidable. You HAVE TO distribute the management as close as possible to the nodes, or the system fails.

… in an instant, I realized that the same is true of governments. … And suddenly my coworker’s small government rantings weren’t crazy…”

This developer’s epiphany captures a few truths about the relative efficacy of decentralized decision-making. It’s not just for computer networks! But in fact, when it comes to network management, the task is comparatively simple: meet the computing and communication needs of users. A central server faces dynamic capacity demands and the need to route changing flows of traffic between nodes. Software requirements change as well, which may necessitate discrete alterations in capacity and rules from time-to-time.

But consider the management of a network of individual economic units. Let’s start with individuals who produce something… like widgets. There are likely to be real economies achieved when a few individual widgeteers band together to produce as a team. Some specialization into different functions can take place, like purchasing materials, fabrication, and distribution. Perhaps administrative tasks can be centralized for greater efficiency. Economies of scale may dictate an even larger organization, and at some point the firm might find additional economies in producing widget-complementary products and services. But eventually, if the decision-making is centralized and hierarchical, the sheer weight of organizational complexity will begin to take a toll, driving up costs and/or diminishing the firm’s ability to deal with changes in technology or the market environment. In other words, centralized control becomes difficult to scale in an efficient way, and there may be some “optimal” size for a firm beyond which it struggles.

Now consider individual consumers, each of whom faces an income constraint and has a set of tastes spanning innumerable goods. These tastes vary across time scales like hour-of-day, day-of-week, seasons, life-stage, and technology cycles. The volume of information is even more daunting when you consider that preferences vary across possible price vectors and potential income levels as well.

Can the interactions between all of these consumer and producer “nodes” be coordinated by a central economic authority so as to optimize their well-being dynamically, subject to resource constraints? As we’ve seen, the job requires massive amounts of information and a crushing number of continually evolving decisions. It is really impossible for any central authority or computer to “know” all of the information needed. Secondly, to the software developer’s point, the number of potential relationships increases with the square of the number of consumers and producers, as does the required volume of information and number of decisions. The scalability problem should be obvious.

This kind of planning is a task with which no central authority can keep up. Will the central authority always get milk, eggs and produce to the store when people need it, at a price they are willing to pay, and with minimal spoilage? Will fuel be available such that a light always turns on whenever they flip the switch? Will adequate supplies of medicines always be available for the sick? Will the central authority be able to guarantee a range of good-quality clothing from which to choose?

There has never been a central authority that successfully performed the job just described. Yet that job gets done every day in free, capitalistic societies, and we tend to take it for granted. The massive process of information transmission and coordination takes place spontaneously with spectacularly good results via private discovery and decision-making, secure property rights, markets, and a functioning price mechanism. Individual economic units are endowed with decision-making power and the authority to manage their own relationships. And the spontaneous order that takes shape remains effective even as networks of economic units expand. In other words, markets are highly scalable at solving the eternal problem of allocating scarce resources.

But thus far I’ve set up something of a straw man by presuming that the central authority must monitor all individual economic units to know and translate their demands and supplies of goods into the ongoing, myriad decisions about production, distribution and consumption. Suppose the central authority takes a less ambitious approach. For example, it might attempt to enforce a set of prices that its experts believe to be fair to both consumers and producers. This is a much simpler task of central management. What could go wrong?

These prices will be wrong immediately, to one degree or another, without tailoring them to detailed knowledge of the individual tastes, preferences, talents, productivities, price sensitivities, and resource endowments of individual economic units. It would be sheer luck to hit on the correct prices at the start, but even then they would not be correct for long. Conditions change continuously, and the new information is simply not available to the central authority. Various shortages and surpluses will appear without the corrective mechanism usually provided by markets. Queues will form here and inventories will accumulate there without any self-correcting mechanism. Consumers will be angry, producers will quit, goods will rot, and stocks of physical capital will sit idle and go to waste.

Other forms of planning attempt to set quantities of goods produced and are subject to errors similar to those arising from price controls. Even worse is an attempt to plan both price and quantity. Perhaps more subtle is the case of industrial policy, in which planners attempt to encourage the development of certain industries and discourage activity in those deemed “undesirable”. While often borne out of good intentions, these planners do not know enough about the future of technology, resource supplies, and consumer preferences to arrogate these kinds of decisions to themselves. They will invariably commit resources to inferior technologies, misjudge future conditions, and abridge the freedoms of those whose work or consumption is out-of-favor and those who are taxed to pay for the artificial incentives. To the extent that industrial policies become more pervasive, scalability will become an obstacle to the planners because they simply lack the information required to perform their jobs of steering investment wisely.

Here is Turner’s verdict on central planning:

“No central planner, or even a board of them, can accurately set prices across any nation larger than, maybe, Liechtenstein and quite likely even at the level of Liechtenstein it won’t work well. After all how can a central planner tell that Farmer X’s vegetables taste better and are less rotten than Farmer Y’s and that people therefore are prepared to pay more for a tomato from Farmer X than they are one from Farmer Y.”

I will go further than Turner: planning can only work well in small settings and only when the affected units do the planning. For example, the determination of contract terms between two parties requires planning, as does the coordination of activities within a firm. But then these plans are not really “central” and the planners are not “public”. These activities are actually parts of a larger market process. Otherwise, the paradigm of central planning is not merely unscalable, it is unworkable without negative consequences.

Finally, the notion of scalability applies broadly to governance, not merely economic planning. The following quote from Turner, for example, is a ringing endorsement for federalism:

“It is worth noting that almost all successful nations have different levels of government. You have the local town council, the state/province/county government, possibly a regional government and then finally the national one. Moreover richer countries tend to do better when they push more down to the lower levels. This is a classic way to solve a scalability problem – instead of having a single central power you devolve powers and responsibilities with some framework such that they follow the general desires of the higher levels of government but have freedom to implement their own solutions and adapt policies to local conditions.” 

Enduring A Dead-Weight Dominion

13 Wednesday Jan 2016

Posted by Nuetzel in Big Government, Macroeconomics

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Anthony de Jasay, Automatic Stabilizers, Big government, Boom and Bust Cycle, central planning, Code of Federal Regulations, Double Taxation, Federal Reserve, Final Output, Government intervention, infrastructure, Intermediate Transactions, John Maynard Keynes, Keynesian Economics, Malinvestment, Mark Skousen, Mercatus Center, Shovel-Ready Projects, Spontaneous Order, Stabilization policy, Too big to fail, Underconsumption

government-intervention

If you hope for government to solve economic problems, try to maintain some perspective: the state has unique abilities to botch it, and its power to distort and degrade the economy in the process of “helping” is vast. Government spending at all levels copped about 18% of the U.S.  economy’s final output in 2014, but the public sector’s impact is far more pervasive than that suggests. Private fixed investment in new structures and equipment accounted for only about 16% of Gross Domestic Product (GDP); the nonresidential portion of fixed investment was less than 13% of GDP. I highlight these two components of GDP because no one doubts the importance of capital investment as a determinant of the economy’s productive capacity. But government is a larger share of spending, it can divert saving away from investment, and it creates a host of other impediments to productivity and efficient resource allocation.

The private economy is remarkable in its capacity to satisfy human wants. The market is a manifestation of spontaneous order, lacking the conscious design of any supreme authority. It is able to adjust to dynamic shifts in desires and resource constraints; it provides reliable feedback in the form of changing prices to modulate and guide the responses of participants through all stages of production. Most forms of government activity, however, are not guided by these signals. Instead, the state imposes binding and sometimes immediate constraints on the decisions of market participants. The interference takes a number of forms, including price controls, but they all have the power to damage the performance and outcomes of markets.

The productive base at each stage of the market process is a consequence of the interplay of perceived business opportunities and acts of saving or deferred consumption. The available flow of saving depends on its rewards, which are heavily influenced by taxes and government intervention in financial markets. It’s worth noting here that the U.S. has the highest corporate tax rates in the developed world, as well as double taxation of corporate income paid out to owners. In addition, the tax system is used as a tool to manipulate the allocation of resources, drawing them into uses that are politically favored and punishing those in disfavor. The damaging impact is compounded by the fact that changes in taxes are often unknown ex ante. This adds a degree of political risk to any investment decision, thus discouraging capital spending and growth in the economy’s productive base.

The government is also a massive and growing regulator of economic activity. Over 100,000 new regulatory restrictions were added to the Code of Federal Regulations between 2008 and 2012. Regulation can have prohibitive compliance costs and may forbid certain efficiencies, often based on flimsy or nonexistent cost/benefit comparisons. It therefore damages the value and returns on embedded capital and discourages new investment. It is usually uneven in its effects across industries and it typically reduces the level of competition in markets because small firms are less capable of surviving the costs it imposes. Innovation is stifled and prices are higher as a result.

From a philosophical perspective, even the best cost/benefit comparisons are suspect as tools for evaluating government intervention. Don Boudreaux quotes Anthony de Jasay’s The State on this point:

“What could be more innocuous, more unexceptional than to refrain from intervening unless the cost-benefit comparison is favourable? Yet it treats the balancing of benefits and costs, good and bad consequences, as if the logical status of such balancing were a settled matter, as if it were technically perhaps demanding but philosophically straightforward. Costs and benefits, however, stretch into the future (problems of predictability) and benefits do not normally or exclusively accrue to the same persons who bear the costs (problems of externality). … Treating it as a pragmatic question of factual analysis, one of information and measurement, is tacitly taking the prior and much larger questions as having been somehow, somewhere resolved. Only they have not been.“

Poorly-executed and inappropriate stabilization policy is another way in which government distorts decisions at all stages of production. There are many reasons why these policies tend to be ineffective and potentially destructive, especially in the long run. Keynesian economics, based on ideas articulated by John Maynard Keynes, offers prescriptions for government action during times of instability. That means “expansionary” policy when the economy is weak and “contractionary” policy when it is strong.  At least that is the intent. This framework relies on the notion that components of aggregate demand determine the economy’s output, prices and employment.

The major components of GDP in the National Income and Product Accounts are consumer spending, private investment, government spending, and net foreign spending. In a Keynesian world, these are treated as four distinct parts of aggregate “demand”, and each is governed by particular kinds of assumed behavior. Supply effects are treated with little rigor, if at all, and earlier stages of production are considered only to the extent that their value added is included, and that the finished value of  investment (including new inventories) is one of the components of aggregate demand.

Final spending on goods and services (GDP) may be convenient because it corresponds to GDP, but that is simply an accounting identity. In fact, GDP represents less than 45% of all transactions. (See the end note below.) In other words, intermediate transactions for raw materials, business-to-business (B2B) exchange of services and goods in a partly fabricated state, and payments for distributional services are not counted, but they exceed GDP. They are also more variable than GDP over the course of the business cycle. Income is generated and value is added at each stage of production, not only in final transactions. To say that “value-added” is counted across all stages is a restatement of the accounting identity. It does not mean that those stages are treated behaviorally. Technology, capital, employees, and complex decision-making are required at each stage to meet demands in competitive markets. Aggregation at the final goods level glosses over all this detail.

The focus of the media and government policymakers in a weak economy is usually on “underconsumption”. The claim is often heard that consumer spending represents “over two-thirds of the economy”, but it is only about one-third of total transactions at all levels. It is therefore not as powerful an engine as many analysts assert. Government efforts to stimulate consumption are often thwarted by consumers themselves, who behave in ways that are difficult for models to capture accurately.

Government spending to combat weakness is another typical prescription, but such efforts are usually ill-timed and are difficult to reverse as the economy regains strength. The value of most government “output” is not tested in markets and it is not subject to competitive pressure, so as the government absorbs additional resources, the ability of the economy to grow is compromised. Programmatic ratcheting is always a risk when transfer payments are expanded. (Fixed programs that act as “automatic stabilizers”, and that are fiscally neutral over the business cycle, are less objectionable on these grounds, but only to the extent that they are not manipulated by politicians or subject to fraud.) Furthermore, any measure that adds to government deficits creates competition for the savings available for private capital investment. Thus, deficits can reduce the private economy’s productive capacity.

Government investment in infrastructure is a common refrain, but infrastructure spending should be tied to actual needs, not to the business cycle. Using public infrastructure spending for stabilization policy creates severe problems of timing. Few projects are ever “shovel-ready”, and rushing into them is a prescription for poor management, cost overruns and low quality.

Historically, economic instability has often been a consequence of poorly-timed monetary policy actions. Excessive money growth engineered by the Federal Reserve has stimulated excessive booms and inflation in the prices of goods and assets. These boom episodes were followed by market busts and recessions when the Fed attempted to course-correct by restraining money growth. Booms tend to foster misjudgments about risk that end in over-investment in certain assets. This is especially true when government encourages risk-taking via implicit “guarantees” (Fannie Mae and Freddie Mac) and “too-big-to-fail” promises, or among individuals who can least afford it, such as low-income homebuyers.

Given a boom-and-bust cycle inflicted by monetary mismanagement, attempts to stimulate demand are usually the wrong prescription for a weak economy. Unemployed resources during recessions are a direct consequence of the earlier malinvestment. It is better to let asset prices and wages adjust to bring them into line with reality, while assisting those who must transition to new employment. The best prescription for instability is a neutral stance toward market risks combined with stable policy, not more badly-timed countercyclical efforts. The best prescription for economic growth is to shrink government’s absorption of resources, restoring their availability to those with incentives to use them optimally.

The more that central authorities attempt to guide the economy, the worse it gets. The torpid recovery from the last recession, despite great efforts at stimulus, demonstrates the futility of demand-side stabilization policy. The sluggishness of the current expansion also bears witness to the counterproductive nature of government activism. It’s a great credit to the private market that it is so resilient in the face of long-standing government economic and regulatory mismanagement. A bureaucracy employing a large cadre of technocrats is a “luxury” that only a productive, dynamic economy can afford. Or can it?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

A Note On Output Measures

More complete aggregations of economic activity than GDP are gross output (GO) and gross domestic expenditures (GDE). These were developed in detail by economist Mark Skousen in his book “The Structure of Production“, published in 1990. GO includes all final transactions plus business-to-business (B2B) transactions, while GDE adds the costs of wholesale and retail distribution to GO. Or as Skousen says in this paper:

“GDE is defined as the value of all transactions (sales) in the production of new goods and services, both finished and unfinished, at all stages of production inside a country during a calendar year.“

GO and GDE show the dominance of business transactions in economic activity. GDE is more than twice as large as GDP, and B2B transactions plus business investment are twice the size of consumer spending. According to Skousen, GDE varies with the business cycle much more than GDP. Many economic indicators focus on statistics at earlier stages of production, yet real final spending is often assumed to be the only measure of transactions that matters.

 

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