Here are the answers with discussion for this Weekend’s Quiz. The information provided should help you work out why you missed a question or three! If you haven’t already done the Quiz from yesterday then have a go at it before you read the answers. I hope this helps you develop an understanding of Modern Monetary Theory (MMT) and its application to macroeconomic thinking. Comments as usual welcome, especially if I have made an error.
I will be at the March today (Mask on)
A sovereign national government can run a balanced fiscal position over the economic cycle (peak to peak) as long as it accepts that after all the spending adjustments are exhausted that the private domestic balance will only be in surplus if the external balance is in surplus when averaged out over the same cycle.
The answer is True.
Note that this question begs the question as to how the economy might get into this situation that I have described using the sectoral balances framework. But whatever behavioural forces were at play, the sectoral balances all have to sum to zero. Once you understand that, then deduction leads to the correct answer.
To refresh your memory the sectoral balances are derived as follows. The basic income-expenditure model in macroeconomics can be viewed in (at least) two ways: (a) from the perspective of the sources of spending; and (b) from the perspective of the uses of the income produced. Bringing these two perspectives (of the same thing) together generates the sectoral balances.
From the sources perspective we write:
GDP = C + I + G + (X – M)
which says that total national income (GDP) is the sum of total final consumption spending (C), total private investment (I), total government spending (G) and net exports (X – M).
Expression (1) tells us that total income in the economy per period will be exactly equal to total spending from all sources of expenditure.
We also have to acknowledge that financial balances of the sectors are impacted by net government taxes (T) which includes all taxes and transfer and interest payments (the latter are not counted independently in the expenditure Expression (1)).
Further, as noted above the trade account is only one aspect of the financial flows between the domestic economy and the external sector. we have to include net external income flows (FNI).
Adding in the net external income flows (FNI) to Expression (2) for GDP we get the familiar gross national product or gross national income measure (GNP):
(2) GNP = C + I + G + (X – M) + FNI
To render this approach into the sectoral balances form, we subtract total taxes and transfers (T) from both sides of Expression (3) to get:
(3) GNP – T = C + I + G + (X – M) + FNI – T
Now we can collect the terms by arranging them according to the three sectoral balances:
(4) (GNP – C – T) – I = (G – T) + (X – M + FNI)
The the terms in Expression (4) are relatively easy to understand now.
The term (GNP – C – T) represents total income less the amount consumed less the amount paid to government in taxes (taking into account transfers coming the other way). In other words, it represents private domestic saving.
The left-hand side of Equation (4), (GNP – C – T) – I, thus is the overall saving of the private domestic sector, which is distinct from total household saving denoted by the term (GNP – C – T).
In other words, the left-hand side of Equation (4) is the private domestic financial balance and if it is positive then the sector is spending less than its total income and if it is negative the sector is spending more than it total income.
The term (G – T) is the government financial balance and is in deficit if government spending (G) is greater than government tax revenue minus transfers (T), and in surplus if the balance is negative.
Finally, the other right-hand side term (X – M + FNI) is the external financial balance, commonly known as the current account balance (CAB). It is in surplus if positive and deficit if negative.
In English we could say that:
The private financial balance equals the sum of the government financial balance plus the current account balance.
We can re-write Expression (6) in this way to get the sectoral balances equation:
(5) (S – I) = (G – T) + CAB
which is interpreted as meaning that government sector deficits (G – T > 0) and current account surpluses (CAB > 0) generate national income and net financial assets for the private domestic sector.
Conversely, government surpluses (G – T < 0) and current account deficits (CAB < 0) reduce national income and undermine the capacity of the private domestic sector to add financial assets.
Expression (5) can also be written as:
(6) [(S – I) – CAB] = (G – T)
where the term on the left-hand side [(S – I) – CAB] is the non-government sector financial balance and is of equal and opposite sign to the government financial balance.
This is the familiar MMT statement that a government sector deficit (surplus) is equal dollar-for-dollar to the non-government sector surplus (deficit).
The sectoral balances equation says that total private savings (S) minus private investment (I) has to equal the public deficit (spending, G minus taxes, T) plus net exports (exports (X) minus imports (M)) plus net income transfers.
All these relationships (equations) hold as a matter of accounting and not matters of opinion.
To help us answer the specific question posed, the following Table shows a stylised business cycle with some simplifications. The economy is running a surplus in the first three periods (but declining) and then increasing deficits. Over the entire cycle the balanced fiscal rule would be achieved as the fiscal balances average to zero. So the deficits are covered by fully offsetting surpluses over the cycle.
|Sectoral Balance||Year 1||Year 2||Year 3||Year 4||Year 5||Year 6||Average over Cycle|
|External Balance (X – M)||-2||-2||-2||-2||-2||-2||-2|
|Fiscal Balance (G – T)||-1||-2||-3||1||2||3||0|
|Private Domestic Balance (S – I)||-3||-4||-5||-1||0||1||-2|
The simplification is the constant external deficit (that is, no cyclical sensitivity) of 2 per cent of GDP over the entire cycle. You can then see what the private domestic balance is doing clearly. When the fiscal balance is in surplus (Years 1-3), the private domestic balance is in deficit. The larger the fiscal surplus the larger the private domestic deficit for a given external deficit.
As the fiscal position moves into deficit (Years 4-63), the private domestic balance approaches balance and then finally in Period 6, the fiscal deficit is large enough (3 per cent of GDP) to offset the demand-draining external deficit (2 per cent of GDP) and so the private domestic sector can save overall. Then the fiscal deficit underpins total pending and allows income growth to be sufficient to generate savings greater than investment in the private domestic sector.
On average over the cycle, under these conditions (balanced public fiscal outcome) the private domestic deficit exactly equals the external deficit. As a result over the course of the economic cycle, the private domestic sector becomes increasingly indebted.
The opposite would be the case if there was a persistent external surplus.
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An understanding of Modern Monetary Theory (MMT) allows us to understand that mass unemployment can arise if the growth in real wages are excessive.
The answer is True.
In this blog post – What causes mass unemployment? – I outline the way aggregate demand failures causes of mass unemployment and use a simple two person economy to demonstrate the point.
I also presented the famous Keynes versus the Classics debate about the role of real wage cuts in stimulating employment that was well rehearsed during the Great Depression.
The debate was multi-dimensioned but the role of wage flexibility was a key aspect. In the classical model of employment determination, which remains the basis of mainstream textbook analysis, cuts in the nominal wage will increase employment because it is considered they will reduce the real wage.
The mainstream textbook model assumes that economies produce under the constraint of the so-called diminishing marginal product of labour. So adding an extra worker will reduce productivity because they assume the available capital that workers get to use is fixed in the short-run.
This assertion which does not stack up in the real world, yields the downward sloping marginal product of labour (the contribution of the last worker to production) relationship in the textbook model. Then profit maximising firms set the marginal product equal to the real wage to determine their employment decisions.
They do this because the marginal product is what the last worker produces (at the margin) and the real wage is what the worker costs in real terms to hire.
So when they have screwed the last bit of production out of the last worker hired and it equals the real wage, they have thus made “real gains” on all previous workers employed and cannot do any better – hence, they are said to have maximised profits.
Labour demand is thus inverse to the real wage. As the real wage rises, employment falls in this model because the marginal product falls with employment.
The simplest version is that labour supply in the mainstream model (and complex versions don’t add anything anyway) says that households equate the marginal disutility of work (the slope of the labour supply function) with the real wage (indicating the opportunity cost of leisure) to determine their utility maximising labour supply.
So in English, it is assumed that workers hate work and but like leisure (non-work). They will only go to work to get an income and the higher the real wage the more work they will supply because for each hour of labour supplied their prospective income is higher. Again, this conception is arbitrary and not consistent with countless empirical studies which show the total labour supply is more or less invariant to movements in the real wage.
Other more complex variations of the mainstream model depict labour supply functions with both non-zero real wage elasticities and, consistent with recent real business cycle analysis, sensitivity to the real interest rate. All ridiculous. Ignore them!
In the mainstream model, labour market clearing – that is when all firms who want to hire someone can find a worker to hire and all workers who want to work can find sufficient work – requires that the real wage equals the marginal product of labour. The real wage will change to ensure that this is maintained at all times thus providing the classical model with continuous full employment. So anything that prevents this from happening (government regulations) will create unemployment.
If a worker is “unemployed” then it must mean they desire a real wage that is excessive in relation to their productivity. The other way the mainstream characterise this is that the worker values leisure greater than income (work).
The equilibrium employment levels thus determine via the technological state of the economy (productivity function) the equilibrium (or full employment) level of aggregate supply of real output. So once all the labour markets are cleared the total level of output that is produced (determined by the productivity levels) will equal total output or GDP.
It was of particular significance for Keynes that the classical explanation for real output determination did not depend on the aggregate demand for it at all.
He argued that firms will not produce output that they do not think they will sell. So for him, total supply of GDP must be determined by aggregate demand (which he called effective demand – spending plans backed by a willingness to impart cash).
In the General Theory, Keynes questioned whether wage reductions could be readily achieved and was sceptical that, even if they could, employment would rise.
The adverse consequences for the effective demand for output were his principal concern.
So Keynes proposed the revolutionary idea (at the time) that employment was determined by effective monetary demand for output. Since there was no reason why the total demand for output would necessarily correspond to full employment, involuntary unemployment was likely.
Keynes revived Marx’s earlier works on effective demand (although he didn’t acknowledge that in his work – being anti-Marxist). What determined effective demand? There were two major elements: the consumption demand of households, and the investment demands of business.
So demand for aggregate output determined production levels which in turn determined total employment.
Keynes model reversed the classical causality in the macroeconomy. Demand determined output. Production levels then determined employment based on the current level of productivity. The labour market is then constrained by this level of employment demand. At the current money wage level, the level of unemployment (supply minus demand) is then determined. The firms will not expand employment unless the aggregate constraint is relaxed.
Keynes also argued that in a recession, the real wage might not fall because workers bargain for money or nominal wages, not real wages. The act of dropping money wages across the board would also reduce aggregate demand and prices would also fall. So there was no guarantee that real wages (the ratio of wages to prices) would therefore fall. They may rise or stay about the same.
Falling prices might, however, depress business profit expectations and so cut into demand for investment. This would actually reduce the demand for workers and prevent total employment from rising. The system interacts with itself, and an equilibrium of full employment cannot be achieved within the labour market.
Keynes also claimed that in a recession it should be clear that the problem is not that the real wage is too high, but rather that the prices are too low (as prices fall with lower production).
However, in Keynes’ analysis, attempting to cut real wages by cutting nominal wages would be resisted by the workers because they will not promote higher employment or output and also would imperil their ability to service their nominal contractual commitments (like mortgages). The argument is that workers will tolerate a fall in real wages brought about by prices rising faster than nominal wages because, within limits, they can still pay their nominal contractual obligations (by cutting back on other expenditure).
A more subtle point argued by Keynes is that wage cut resistance may be beneficial because of the distribution of income implications. If real wages fall, the share of real output claimed by the owners of capital (or non-labour fixed inputs) rises. Assuming such ownership is concentrated in a few hands, capitalists can be expected to have a higher propensity to save than the working class.
If so, aggregate saving from real output will increase and aggregate demand will fall further setting off a second round of oversupply of output and job losses.
It is also important to differentiate what happens if a firm lowers its wage level against what happens in the whole economy does the same. This relates to the so-called interdependence of demand and supply curves.
The mainstream model claims that the two sides of the market are independent so that a supply shift will not cause the demand side of the market to shift. So in this context, if a firm can lower its money wage rates it would not expect a major fall in the demand for its products because its workforce are a small proportion of total employment and their incomes are a small proportion of total demand.
If so, the firm can reduce its prices and may enjoy rising demand for its output and hence put more workers on. So the demand and supply of output are independent.
However there are solid reasons why firms will not want to behave like this. They get the reputation of being a capricious employer and will struggle to retain labour when the economy improves. Further, worker morale will fall and with it productivity. Other pathologies such as increased absenteeism etc would accompany this sort of firm behaviour.
But if the whole economy takes a wage cut, then while wage are a cost on the supply side they are an income on the demand side. So a cut in wages may reduce supply costs but also will reduce demand for output. In this case the aggregate demand and supply are interdependent and this violates the mainstream depiction.
This argument demonstrates one of the famous fallacies of composition in mainstream theory. That is, policies that might work at the micro (firm/sector) level will not generalise to work at the macroeconomic level.
There was much more to the Keynes versus the Classics debate but the general idea is as presented.
MMT integrates the insights of Keynes and others into a broader monetary framework. But the essential point is that mass unemployment is a macroeconomic phenomenon and trying to manipulate wage levels (relative to prices) will only change output and employment at the macroeconomic level if changes in demand are achieved as saving desires of the non-government sector respond.
It is highly unlikely for all the reasons noted that cutting real wages will reduce the non-government desire to save.
MMT tells us that the introduction of state money (the currency issued by the government) introduces the possibility of unemployment. There is no unemployment in non-monetary economies.
As a background to this discussion you might like to read this blog post – Functional finance and modern monetary theory .
MMT shows that taxation functions to promote offers from private individuals to government of goods and services in return for the necessary funds to extinguish the tax liabilities.
So taxation is a way that the government can elicit resources from the non-government sector because the latter have to get $s to pay their tax bills. Where else can they get the $s unless the government spends them on goods and services provided by the non-government sector?
A sovereign government is never revenue constrained and so taxation is not required to “finance” public spending. The mainstream economists conceive of taxation as providing revenue to the government which it requires in order to spend. In fact, the reverse is the truth.
Government spending provides revenue to the non-government sector which then allows them to extinguish their taxation liabilities. So the funds necessary to pay the tax liabilities are provided to the non-government sector by government spending.
It follows that the imposition of the taxation liability creates a demand for the government currency in the non-government sector which allows the government to pursue its economic and social policy program.
The non-government sector will seek to sell goods and services (including labour) to the government sector to get the currency (derived from the government spending) in order to extinguish its tax obligations to government as long as the tax regime is legally enforceable. Under these circumstances, the non-government sector will always accept government money because it is the means to get the $s necessary to pay the taxes due.
This insight allows us to see another dimension of taxation which is lost in mainstream economic analysis. Given that the non-government sector requires fiat currency to pay its taxation liabilities, in the first instance, the imposition of taxes (without a concomitant injection of spending) by design creates unemployment (people seeking paid work) in the non-government sector.
The unemployed or idle non-government resources can then be utilised through demand injections via government spending which amounts to a transfer of real goods and services from the non-government to the government sector.
In turn, this transfer facilitates the government’s socio-economic program. While real resources are transferred from the non-government sector in the form of goods and services that are purchased by government, the motivation to supply these resources is sourced back to the need to acquire fiat currency to extinguish the tax liabilities.
Further, while real resources are transferred, the taxation provides no additional financial capacity to the government of issue.
Conceptualising the relationship between the government and non-government sectors in this way makes it clear that it is government spending that provides the paid work which eliminates the unemployment created by the taxes.
So it is now possible to see why mass unemployment arises. It is the introduction of State Money (defined as government taxing and spending) into a non-monetary economy that raises the spectre of involuntary unemployment.
As a matter of accounting, for aggregate output to be sold, total spending must equal the total income generated in production (whether actual income generated in production is fully spent or not in each period).
Involuntary unemployment is idle labour offered for sale with no buyers at current prices (wages). Unemployment occurs when the private sector, in aggregate, desires to earn the monetary unit of account through the offer of labour but doesn’t desire to spend all it earns, other things equal.
As a result, involuntary inventory accumulation among sellers of goods and services translates into decreased output and employment.
In this situation, nominal (or real) wage cuts per se do not clear the labour market, unless those cuts somehow eliminate the private sector desire to net save, and thereby increase spending.
So we are now seeing that at a macroeconomic level, manipulating wage levels (or rates of growth) would not seem to be an effective strategy to solve mass unemployment.
MMT then concludes that mass unemployment occurs when net government spending is too low.
To recap: The purpose of State Money is to facilitate the movement of real goods and services from the non-government (largely private) sector to the government (public) domain.
Government achieves this transfer by first levying a tax, which creates a notional demand for its currency of issue.
To obtain funds needed to pay taxes and net save, non-government agents offer real goods and services for sale in exchange for the needed units of the currency. This includes, of-course, the offer of labour by the unemployed.
The obvious conclusion is that unemployment occurs when net government spending is too low to accommodate the need to pay taxes and the desire to net save.
This analysis also sets the limits on government spending. It is clear that government spending has to be sufficient to allow taxes to be paid. In addition, net government spending is required to meet the private desire to save (accumulate net financial assets).
It is also clear that if the Government doesn’t spend enough to cover taxes and the non-government sector’s desire to save the manifestation of this deficiency will be unemployment.
Keynesians have used the term demand-deficient unemployment. In MMT, the basis of this deficiency is at all times inadequate net government spending, given the private spending (saving) decisions in force at any particular time.
Shift in private spending certainly lead to job losses but the persistent of these job losses is all down to inadequate net government spending.
But in terms of the question – after all that – it is clear that excessive real wages could impinge on the rate of profit that the capitalists desired and if they translate that into a cut back in investment then aggregate demand might fall. Note: this explanation has nothing to do with the standard mainstream textbook explanation. It is totally consistent with MMT and the Keynesian story – output and employment is determined by aggregate demand and anything that impacts adversely on the latter will undermine employment.
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Only one of the following statements is definitely true when you observe rising government bond yields for new issues:
(a) Government spending is becoming more expensive.
(b) Bond prices are falling in response to falling demand.
(c) Government spending is increasing the cost of borrowing for private investors.
The answer is Option (b) – that bond prices are falling in response to falling demand..
The first option provided “that government spending is becoming more expensive” assumes that there is some revenue constraint on government spending. The interest servicing payments come from the same source as all government spending – its infinite (minus $1!) capacity to issue fiat currency. There is no “cost” – in real terms to the government doing this.
The concept of more or less expensive is therefore inapplicable to government spending.
The third option “that government spending is increasing the cost of borrowing for private investors” is also based on the flawed mainstream concept of crowding out. The normal presentation of the crowding out hypothesis, which is a central plank in the mainstream economics attack on government fiscal intervention, is more accurately called “financial crowding out”.
In this blog post – Studying macroeconomics – an exercise in deception – I provide detailed analysis of this hypothesis.
By way of summary, the underpinning of the crowding out hypothesis is the old Classical theory of loanable funds, which is an aggregate construction of the way financial markets are meant to work in mainstream macroeconomic thinking. The original conception was designed to explain how aggregate demand could never fall short of aggregate supply because interest rate adjustments would always bring investment and saving into equality.
Mainstream textbook writer Mankiw assumes that it is reasonable to represent the financial system to his students as the “market for loanable funds” where “all savers go to this market to deposit their savings, and all borrowers go to this market to get their loans. In this market, there is one interest rate, which is both the return to saving and the cost of borrowing.”
This doctrine was a central part of the so-called classical model where perfectly flexible prices delivered self-adjusting, market-clearing aggregate markets at all times. If consumption fell, then saving would rise and this would not lead to an oversupply of goods because investment (capital goods production) would rise in proportion with saving. So while the composition of output might change (workers would be shifted between the consumption goods sector to the capital goods sector), a full employment equilibrium was always maintained as long as price flexibility was not impeded. The interest rate became the vehicle to mediate saving and investment to ensure that there was never any gluts.
The supply of funds comes from those people who have some extra income they want to save and lend out. The demand for funds comes from households and firms who wish to borrow to invest (houses, factories, equipment etc). The interest rate is the price of the loan and the return on savings and thus the supply and demand curves (lines) take the shape they do.
This framework is then used to analyse fiscal policy impacts and the alleged negative consequences of fiscal deficits – the so-called financial crowding out – is derived.
Mankiw (in his First Principles) says:
One of the most pressing policy issues … has been the government budget deficit … In recent years, the U.S. federal government has run large budget deficits, resulting in a rapidly growing government debt. As a result, much public debate has centred on the effect of these deficits both on the allocation of the economy’s scarce resources and on long-term economic growth.
So what would happen if there is a fiscal deficit?
The erroneous mainstream logic is that investment falls because when the government borrows to finance its fiscal deficit, it increases competition for scarce private savings pushes up interest rates.
The higher cost of funds crowds thus crowds out private borrowers who are trying to finance investment.
This leads to the conclusion that given investment is important for long-run economic growth, government fiscal deficits reduce the economy’s growth rate.
The analysis relies on layers of myths which have permeated the public space to become almost “self-evident truths”. Obviously, national governments are not revenue-constrained so their borrowing is for other reasons – we have discussed this at length.
I discussed that issue in the introductory suite of blog posts:
1. Deficit spending 101 – Part 1 (February 21, 2009).
2. Deficit spending 101 – Part 2 (February 23, 2009)
3. Deficit spending 101 – Part 3 (March 2, 2009).
But governments do borrow – for stupid ideological reasons and to facilitate central bank operations – so doesn’t this increase the claim on saving and reduce the “loanable funds” available for investors? Does the competition for saving push up the interest rates?
The answer to both questions is no! Modern Monetary Theory (MMT) does not claim that central bank interest rate hikes are not possible. There is also the possibility that rising interest rates reduce aggregate demand via the balance between expectations of future returns on investments and the cost of implementing the projects being changed by the rising interest rates.
But the Classical claims about crowding out are not based on these mechanisms. In fact, they assume that savings are finite and the government spending is financially constrained which means it has to seek “funding” in order to progress their fiscal plans. The result competition for the “finite” saving pool drives interest rates up and damages private spending.
A related theory which is taught under the banner of IS-LM theory (in macroeconomic textbooks) assumes that the central bank can exogenously set the money supply. Then the rising income from the deficit spending pushes up money demand and this squeezes interest rates up to clear the money market. This is the Bastard Keynesian approach to financial crowding out.
Neither theory is remotely correct and is not related to the fact that central banks push up interest rates up because they believe they should be fighting inflation and interest rate rises stifle aggregate demand.
Further, from a macroeconomic flow of funds perspective, the funds (net financial assets in the form of reserves) that are the source of the capacity to purchase the public debt in the first place come from net government spending. Its what astute financial market players call “a wash”. The funds used to buy the government bonds come from the government!
There is also no finite pool of saving that is competed for. Loans create deposits so any credit-worthy customer can typically get funds. Reserves to support these loans are added later – that is, loans are never constrained in an aggregate sense by a “lack of reserves”. The funds to buy government bonds come from government spending! There is just an exchange of bank reserves for bonds – no net change in financial assets involved. Saving grows with income.
But importantly, deficit spending generates income growth which generates higher saving. It is this way that MMT shows that deficit spending supports or “finances” private saving not the other way around.
Acknowledging the point that increased aggregate demand, in general, generates income and saving, Luigi Passinetti the famous Italian economist had a wonderful sentence I remember from my graduate school days – “investment brings forth its own savings” – which was the basic insight of Keynes and Kalecki – and the insight that knocked out classical loanable funds theory upon which the neo-liberal crowding out theory was originally conceived.
So that leaves the option “that bond prices are falling in response to demand”.
In macroeconomics, we summarise the plethora of public debt instruments with the concept of a bond. The standard bond has a face value – say $A1000 and a coupon rate – say 5 per cent and a maturity – say 10 years. This means that the bond holder will will get $50 dollar per annum (interest) for 10 years and when the maturity is reached they would get $1000 back.
Bonds are issued by government into the primary market, which is simply the institutional machinery via which the government sells debt to “raise funds”. In a modern monetary system with flexible exchange rates it is clear the government does not have to finance its spending so the the institutional machinery is voluntary and reflects the prevailing neo-liberal ideology – which emphasises a fear of fiscal excesses rather than any intrinsic need.
Once bonds are issued they are traded in the secondary market between interested parties. Clearly secondary market trading has no impact at all on the volume of financial assets in the system – it just shuffles the wealth between wealth-holders. In the context of public debt issuance – the transactions in the primary market are vertical (net financial assets are created or destroyed) and the secondary market transactions are all horizontal (no new financial assets are created).
Please read my blog post – Deficit spending 101 – Part 3 – for more discussion on this point.
Further, most primary market issuance is now done via auction. Accordingly, the government would determine the maturity of the bond (how long the bond would exist for), the coupon rate (the interest return on the bond) and the volume (how many bonds) being specified.
The issue would then be put out for tender and the market then would determine the final price of the bonds issued. Imagine a $1000 bond had a coupon of 5 per cent, meaning that you would get $50 dollar per annum until the bond matured at which time you would get $1000 back.
Imagine that the market wanted a yield of 6 per cent to accommodate risk expectations (inflation or something else). So for them the bond is unattractive and they would avoid it under the tap system. But under the tender or auction system they would put in a purchase bid lower than the $1000 to ensure they get the 6 per cent return they sought.
The mathematical formulae to compute the desired (lower) price is quite tricky and you can look it up in a finance book.
The general rule for fixed-income bonds is that when the prices rise, the yield falls and vice versa. Thus, the price of a bond can change in the market place according to interest rate fluctuations.
When interest rates rise, the price of previously issued bonds fall because they are less attractive in comparison to the newly issued bonds, which are offering a higher coupon rates (reflecting current interest rates).
When interest rates fall, the price of older bonds increase, becoming more attractive as newly issued bonds offer a lower coupon rate than the older higher coupon rated bonds.
Further, rising yields may indicate a rising sense of risk (mostly from future inflation although sovereign credit ratings will influence this). But they may also indicated a recovering economy where people are more confidence investing in commercial paper (for higher returns) and so they demand less of the “risk free” government paper.
So you see how an event (yield rises) that signifies growing confidence in the real economy is reinterpreted (and trumpeted) by the conservatives to signal something bad (crowding out). In this case, the reason long-term yields would be rising is because investors were diversifying their portfolios and moving back into private financial assets. The yield reflects the last auction bid in the bond issue. So if diversification is occurring reflecting confidence and the demand for public debt weakens and yields rise this has nothing at all to do with a declining pool of funds being soaked up by the binging government!
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That is enough for today!
(c) Copyright 2022 William Mitchell. All Rights Reserved.