by Is public debt — really — a burden on future generations? The real issue … is not whether it is possible to shift a burden (either in the present or in the future) from some people to other people, but whether it is possible by internal borrowing to shift a real burden from the present generation, in the sense of the present economy as a whole, onto a future generation, in the sense of the future economy as a whole … The latter is impossible because a project that uses up resources needs the resources at the time that it uses them up, and not before or after. This basic proposition is true of all projects that use up resources … The proposition holds as long as the project is financed internally, so that there are no outsiders to take over the current
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Lars Pålsson Syll considers the following as important: Economics
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Is public debt — really — a burden on future generations?
The real issue … is not whether it is possible to shift a burden (either in the present or in the future) from some people to other people, but whether it is possible by internal borrowing to shift a real burden from the present generation, in the sense of the present economy as a whole, onto a future generation, in the sense of the future economy as a whole … The latter is impossible because a project that uses up resources needs the resources at the time that it uses them up, and not before or after.
This basic proposition is true of all projects that use up resources … The proposition holds as long as the project is financed internally, so that there are no outsiders to take over the current burden by providing the resources and to hand back the burden in the future by asking for the return of the resources.
It is necessary for economists to keep repeating this basic proposition because one of their main duties is to keep warning people against the fallacy of composition. To anyone who sees only a part of the economy it does seem possible to borrow from the future because he tends to assume that what is true of the part is true of the whole.
Public debt is normally nothing to fear, especially if it is financed within the country itself (but even foreign loans can be beneficent for the economy if invested in the right way). Some members of society hold bonds and earn interest on them, while others pay taxes that ultimately pay the interest on the debt. The debt is not a net burden for society as a whole since the debt ‘cancels’ itself out between the two groups. If the state issues bonds at a low-interest rate, unemployment can be reduced without necessarily resulting in strong inflationary pressure. And the inter-generational burden is also not a real burden since — if used in a suitable way — the debt, through its effects on investments and employment, actually makes future generations net winners. There can, of course, be unwanted negative distributional side effects for the future generation, but that is mostly a minor problem since when our children and grandchildren ‘repay’ the public debt these payments will be made to our children and grandchildren.
To both Keynes and Lerner — as to today’s MMTers — it was evident that the state has the ability to promote full employment and a stable price level — and that it should use its powers to do so. If that means that it has to take on debt and underbalance its budget — so let it be! Public debt is neither good nor bad. It is a means to achieve two over-arching macroeconomic goals — full employment and price stability. What is sacred is not to have a balanced budget or running down public debt per se, regardless of the effects on the macroeconomic goals. If ‘sound finance,’ austerity and balanced budgets means increased unemployment and destabilizing prices, they have to be abandoned.