Home 2 Forums Covid -19 Private sector debt is an overhead, of no economic benefit

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    Those of us who worry about the wisdom of economic policies, try to understand whether endless credit creation is always such a good idea. Governments can indeed borrow at trivial cost, but private borrowers – businesses and households – generally pay more. In many western countries, private debt is typically 200% to 300% of GDP (Gross Domestic Product, a measure of the size of the economy), much more than the level of public borrowing. Does this private sector debt affect economic growth?

    To answer this, it is necessary to know how much economic output is spent on interest. When I first looked into this some three years ago, I searched the literature in vain. Nobody had considered the economic effect of interest paid. Therefore I tried to build a worldwide estimate. What I found, using pre-pandemic data from 2018, was that world economic output was then around USD 80 trillion. The best figure I could calculate for interest cost was USD 17 trillion. One-fifth of economic output.

    Tracing back for some four decades, interest rates paid to depositors have fallen, while real costs incurred by borrowers other than governments have risen. Real interest cost is the rate paid by borrowers less the inflation rate, which latter is stuck at historically low levels. This cost is positive for the private sector globally, whereas some governments can borrow at less than inflation. Higher real private borrowing costs may be the reason why many economies were struggling before the pandemic arrived.

    The reasons why private borrowers face such rising costs are not hard to find:
    1. Banks have incurred rising loan losses, which must be paid for by all borrowers.
    2. Banks have also faced their own financial squeeze from falling deposit rates, because their net margin – the amount they earn on cash taken in – has dropped.
    3. Society has sought to control its banks by imposing more onerous regulations, causing the cost of compliance to further increase rates charged to borrowers.

    This unrecognised private sector debt burden, which I call the financial system limit, has now become a barrier to economic prosperity. There are three radical principles underlying this concept:
    a) There is indeed a limit to the growth of lending and hence to credit expansion.
    b) The world is well on the way to reaching this limit.
    c) Central banks have created a new, dominant economic cycle that is more significant than traditional economic cycles.

    Every stimulus release causes a new downturn perhaps a decade later, as the costs of borrowing swamp the initial benefit of extra money injected into economies.

    Now we have a glimpse of the theory, we can ask practical questions:

    Is it right to continue with Keynesian economics?

    Does Modern Monetary Theory (a recent economic fashion) affect the private sector debt burden?

    When Keynes devised his general theory, private sector debt was insignificant. I found some data for the United Kingdom showing that private sector debt was 12% of GDP in 1945. Seventy-five years of Keynesian economics has generated an unrecognised burden. Yet when I put the concept that debt resulting from stimulus is dragging economies down to a leading Keynesian economist in London, I was told that people who could not afford their own debts should go bankrupt. This was hardly what Keynes wanted as a solution to the hard times of the 1930s. Then I was told that net debt is zero, because debts and credits balance out. This misses the point, that some of those people with debts are struggling to afford a decent living standard because they are paying interest above the rate of inflation. The end result of all the decades of Keynesian stimulus is a serious cost of borrowing problem, with the United Kingdom, Australia and United States all affected.

    Modern Monetary Theory (MMT) seeks to explain the way public borrowing works: governments that control their own currency can create more credit to repay previous borrowing, to meet interest on their debt, and to spend as they like. However, describing how the system works does not legitimise the theory. MMT ignores the cost of the much higher level of private sector debt. To the extent that government credit creation encourages banks to lend more, MMT brings the financial system limit closer, burdening economic performance.

    Some economic commentators have indeed recognised that there are flaws in the debt-based economic system and proposals appear occasionally as to how to resolve them. I discuss ten such putative solutions in my book and show that there are three general reasons why every one is inadequate, namely that they:
    1. make the problem worse by increasing the cost of interest paid by the private sector;
    2. create conflict between different groups in society;
    3. have inherent flaws that prevent them succeeding.

    The weight of private sector debt is deflationary. All attempts to ‘inflate the way out’ lead back to the financial system limit. The world’s debt problems are not unique, because this is a worldwide policy failure. The separation of debit and credit invented by the early Italian bankers has reached end of life and a new financial construct needs to emerge.
    * *
    The Financial System Limit is published by Sparkling Books, ISBN 9781907230769 (USA sources, hardcover), 9781907230790 (UK sources, hardback) and 9781907230783 (some other countries, paperback). There is also an e-book 9781907230776. The introduction and first chapter can be read without registration at http://www.sparklingbooks.com/limit.html

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