Land and Infinite Debt Rollover
Tomohiro Hirano, Alexis Akira Toda

TL;DR
This paper demonstrates that in an overlapping generations economy with land, relaxing certain restrictions can lead to land bubbles and infinite debt rollover, contrasting with traditional landless economy models.
Contribution
It reveals that allowing unbalanced growth and removing restrictions can generate land bubbles and infinite debt rollover in OLG economies, a novel insight.
Findings
Land bubbles can emerge under unbalanced growth.
Infinite debt rollover becomes possible with land and relaxed assumptions.
Efficient and inefficient equilibria coexist depending on conditions.
Abstract
Since McCallum (1987), it is well known that in an overlapping generations (OLG) economy with land, the equilibrium is Pareto efficient because with balanced growth, the interest rate exceeds the economic growth rate (), which rules out infinite debt rollover (a Ponzi scheme). We show that once we remove knife-edge restrictions on the production function and allow unbalanced growth, under some conditions an efficient equilibrium with land bubbles necessarily emerges and infinite debt rollover becomes possible, which is a markedly different insight from the conventional view derived from the Diamond (1965) landless economy. We also examine the possibility of Pareto inefficient equilibria.
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Taxonomy
TopicsEconomic theories and models · Economic Theory and Policy · Housing, Finance, and Neoliberalism
