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When Government Externalizes Internalities

02 Sunday Feb 2020

Posted by Nuetzel in Government Failure

≈ 1 Comment

Tags

Corrective Taxation, Exclusivity, External Benefits, External Costs, Externalizing Internality, Government Failure, Internalizing Externality, Minimum Wage, National Defense, Public goods, Quotas, Regulatory Capture, Social Costs, Social Good, Subsidies, Takings, Wage floor

The headline describes a kind of government failure. In an ideal private transaction, costs and benefits are fully internalized by the buyer and seller. Both reap private gains, or surplus, from mutually beneficial transactions. On the other hand, there are cases in which external costs are inflicted on otherwise unrelated third parties, as when production emits pollutants. Or, there might be external benefits that inure to third parties, as when a homeowner pays to beautify their property and the whole neighborhood gains. These “externalities” are commonly citied as rationale for government interference in private markets. A good government, it is said, would seek to “internalize the externalities”, in one way or another, to prevent too much trade in a good imposing external costs, or too little trade where there are external benefits. Imposing taxes, granting subsidies, intervening with price controls, quotas, or various regulations are all ways in which corrective action might be attempted by public authorities.

The problem is that government often chooses badly, both misidentifying externalities, poorly estimating their magnitude, or in choosing how best to address them. When mistakes of this nature occur, the internal gains from trade are not just compromised or even destroyed. They are often externalized — revoked and redistributed to non-participants. The formerly private and internal gains may be extracted in the form of taxes, ultimately flowing to unconnected third parties. They are externalized internalizes, if I may coin a phrase. In other cases, in order to subsidize favored industries, individuals might be taxed on their income. Yet the favored industry is likely  unconnected or external to the taxed individual’s source of income. While the gains that might accrue in the favored industry are internalized there, their source is an externalized internality.

Putting the troubling issue of takings or confiscation aside, these mistaken interventions distort relative prices and production decisions, with false signals propagating into other markets — which again are external effects. This, in turn, distorts the allocation of resources across various uses. These cases are clear-cut examples of externalized internalities.

I will confine this discussion to economic matters. By “internalities“, I mean all things within the economic realm that are private and/or reserved to the individual by natural rights. That includes private property and the individual’s freedom to trade and contract with others.

Wrongly taxing presumed “bads” or wrongly subsidizing presumed “goods” are absolute cases of externalizing internalities. And taxing a “bad” excessively (at more than its true social cost) or subsidizing a “good” excessively (at more than its true social benefit) are cases of externalizing internalities. The political temptation to subsidize might be the greater danger, as it is all too easy for public officials and politicians to identify and sell “deserving” causes, especially if they intimate that others will pay.

For example, subsidized education, which primarily benefits private individuals, is billed to the taxpaying public. It over-allocates resources to education, including students with greater value as human resources in other pursuits. Subsidized energy pays the seller of a power source more than its value to buyers, courtesy of taxpayers, and over allocates resources to those energy sources relative to non-subsidized energy and other goods.

Even if an industry is taxed in exact accordance with its true social cost, there is still the question of how the proceeds of the tax are to be distributed. Ideally, unless the social costs are borne equally by all, the distribution should bear some proportionality to the damages borne by individuals, yet that is seldom considered outside of certain kinds of litigation. The true victims will almost certainly be shorted. Benefits will accrue to many who are free of any burden inflicted by the undesired activity. The corrective action thus fails to properly address the externality, and it bestows an incidental external benefit on wholly unconnected parties.

Likewise, subsidies paid to an industry in exact accordance with its true social benefits require taxes that may burden individuals who do not stand to benefit from the subsidized activity in any way. That is true unless the industry in question produces a pure public good. Indeed, if the taxed individuals had a choice in the matter, they would often use the funds for something they value more highly. Thus, suboptimal distribution of the tax proceeds for funding a less-than-pure “social good” involves the extraction of an internality.

Other forms of government action have similar externalization of internal costs or benefits. With the imposition of a wage floor, or minimum wage, the least-skilled workers are likely to lose their jobs. Consumers are likely to pay higher prices as well. The job losers become more dependent on public aid, which must be funded via taxes on others. The wage floor will also degrade working conditions for those lucky enough to keep their jobs. All of these effects of market intervention demonstrate the public piercing of internal gains from private, voluntary trade. Some of what is excised gets spilt, and some gets siphoned off to external parties. Thus internalities are externalized.

Regulation of private industry often results in regulatory capture, whereby regulators impose rules with compliance costs too high for small competitors and potential entrants to afford. This obviously strengthens the market power of larger incumbents, who may in turn increase prices or skimp on quality. Taxpayers pay the regulators, consumers pay the inflated prices, smaller firms shut down, and resources are under-allocated to the product or service in question. These distortions spill into other markets as well. All these effects are part of the despoilment of internal gains from trade. To the extent that trades are prevented at competitive prices, the external winners are those who capture trades at higher prices, along with the regulators themselves and anyone else standing to benefit from graft as part of the arrangement. And again, the wrongful gains to the winners can be described as externalized internalities.

There are many other examples of government failure that fit the description of externalized internalities. In fact, extracting internalities is the very essence of taxation, though we readily accept its use for expenditures on goods that are of a truly public nature, which by definition confer benefits that are non-exclusive. The classic case, of course, is national defense. The differences in the cases of government failure cited above, however, are that the internalities extracted via taxation or other forms of intervention are externalized for private gain by other parties, no matter how widely distributed and diffuse. This is an extremely pernicious kind of government failure, as it ultimately leads to a cannibalization of private activity via our role as public actors. Beware politicians bearing gifts, and beware them just as much when they demonize private trade.

The Taxing Logic of Carbon Cost Guesswork

11 Saturday Mar 2017

Posted by Nuetzel in Environment, Taxes, Uncategorized

≈ 1 Comment

Tags

Anthopomorphic, Carbon Dividend, Carbon Tax, Climate Leadership Council, Corrective Taxation, External costs and benefits, Fossil fuels, Greg Mankiw, Martin Feldstein, Paul Driessen, Roger Besdek, Ronald Bailey, Ted Halstead, Universal Basic Inome, Watt's Up With That?

An article by three prominent economists* in the New York Times this week summarized the Climate Leadership Council’s Conservative Case for Climate Action“. The “four pillars” of this climate plan include (1) a revenue-neutral tax on carbon emissions, which are used to fund… (2) quarterly “carbon dividend” payments to all Americans; (3) border tax adjustments to account for carbon emissions and carbon taxes abroad; (4) eliminating all other regulations on emissions of carbon. The “Case” is thus a shift from traditional environmental regulation to a policy based on tax incentives, then wrapped around a redistributive universal income mechanism.

I’ll dispense with the latter “feature” by referencing my recent post on the universal basic income: bad idea! The economists advocate for the carbon dividend sincerely, but also perhaps as a political inducement to the left and confused centrists.

The Limits of Our Knowledge

The most interesting aspect of the “Case” is how it demonstrates uncertainty around the wisdom of carbon restrictions of any kind: traditional regulations, market-oriented trading, or tax incentives. Those all involve assumptions about the extent to which carbon emissions should be restricted, and it’s not clear that any one form of restriction is more ham-handed than another. Traditional regulation may restrict output in various ways. For example, standards on fuel efficiency are an indirect way of restricting output. A carbon market, with private trading in assigned “rights” to emit carbon, is more economically efficient in the sense that a tradeoff is involved for any decision having carbon implications at the margin. However, the establishment of a carbon market ultimately means that a limit must be imposed on the total quantity of rights available for trading.

A carbon tax imputes a cost of carbon emissions to society. It also imposes tradeoffs, so it is similar to carbon trading in being more economically efficient than traditional regulation. A producer can attempt to adjust a production process such that it emits less carbon, and the incidence of the tax falls partly on final consumers, who adjust the carbon intensity of their behavior accordingly. For our purposes here, a tax is more illuminating in the sense that we can assess inputs to the cost imputation. Even a cursory examination shows that the cost estimate can vary widely given reasonable differences in the inputs. So, in a sense, a tax helps to reveal the weakness of the case against carbon and the carbon-based rationale for allowing a coercive environmental authority to sclerose the arteries of the market system.

The three economists propose an initial tax of $40 per metric ton of emitted carbon. The basis for that figure is the so-called “social cost of carbon” (SCC), a theoretical construct that is not readily measured. Economists have long subscribed to the theory of social costs, or negative externalities, and to the legitimacy of government action to force cost causers to internalize social costs via corrective taxation. However, the wisdom of allowing the state to intrude upon markets in this way depends on our ability to actually measure specific external costs.

Fatuous Forecasts

The SCC is based on the presumed long-run costs of an incremental ton of carbon in the environment. I do not use the word “presumed” lightly. The $40 estimate subsumes a variety of speculative assumptions about the climate’s response to carbon emissions, the future economic impact of that response, and the rate at which society should be willing to trade those future costs against present costs. The figure only counts costs, without considering the huge potential benefits of warming, should it actually occur.

Ronald Bailey at Reason illustrates the many controversies surrounding the calculation of the SCC. He notes the tremendous uncertainty surrounding an Obama Administration estimate of $36 a ton in 2007 dollars. It used an outdated climate sensitivity figure much higher than more recent estimates, which would bring the calculated SCC down to just $16.

A discount rate of 3% was applied to projected future carbon costs to produce an SCC in present value terms. The idea is that today’s “collective” would be indifferent between paying this cost today and suffering the burden of future costs inflicted by carbon emissions. This presumes that 3% is the expected return society can earn for the future by investing resources today. Unfortunately, the SCC is tremendously sensitive to the discount rate. Together with the more realistic estimate of climate sensitivity, a discount rate of 7% (the Office of Management and Budget’s regulatory guidance) would actually make the SCC negative!

Another U.S. regulatory standard, according to Bailey, is that calculations of social cost are confined to costs borne domestically. However, the SCC attempts to encompass global costs, inflating the estimate by a factor of 4 to 14 times. The justification for the global calculation is apparent righteousness in owning up to the costs we cause as a nation, and also for the example it sets for other countries in crafting their own carbon policies. Unfortunately, it also magnifies the great uncertainties inherent in this messy calculation.

Lack of Evidence

This guest essay on the Watts Up With That? web site by Paul Driessen and Roger Bezdek takes a less gracious view of the SCC than Bailey, if that is possible. As they note, in addition to climate sensitivity, the SCC must come to grips with the challenge of measuring the economic damage caused by each degree of warming. This includes factors far into the future that simply cannot be projected with any confidence. We are expected to place faith in distant cost estimates of heat-related deaths, widespread crop failures, severe storm damage, coastal flooding, and many other calamities that are little more than scare stories. For example, the widely reported connection between atmospheric carbon concentration and severe weather is demonstrably false, as are reports that Pacific islands have been swallowed by the sea due to global warming.

Ignoring the Benefits

The SCC makes no allowance for the real benefits of burning fossil fuels, which have been a powerful engine of economic growth and still hold the potential to lift the underdeveloped world out of poverty and environmental  distress. The benefits of carbon also include fewer cold-related deaths, higher agricultural output, and a greener environment. It isn’t surprising that these benefits are ignored in the SCC calculation, as any recognition of that promise would undermine the narrative that fossil fuels are unambiguously evil. Indeed, an effort to calculate only the net costs of carbon emissions would likely expose the entire exercise as a sham.

The “four pillars” of the Climate Leadership Council‘s case for climate action rest upon an incredibly flimsy foundation. Like anthropomorphic climate change itself, appropriate measurement of a social cost of carbon is an unsettled issue. Its magnitude is far too uncertain to use as a tool of public policy: as either a tax or a rationale for carbon regulation of any kind. And let’s face it, taxation and regulation are coercive acts that better be undertaken with respect for the distortions they create. In this case, it’s not even clear that carbon emissions should be treated as an external cost in many applications, as opposed to an external benefit. So much for the corrective wisdom of authorities. The government is not well-equipped to centrally plan the economy, let alone the environment.

  • The three economists are Martin Feldstein, Ted Halstead and Greg Mankiw.
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