activity
20112026
most citedBubble Economics

39 citations · 102 across the 22 of their papers we have counts for

collaborators

42 papers

econ.GN2026

Self-Fulfilling Prophecies, Quasi Nonergodicity, and Wealth Inequality: A Comment

Alexis Akira Toda

Bouchaud and Farmer (2023) argue that self-fulfilling beliefs generate a realistic wealth distribution. Their reported Gini coefficient, quantiles, and Pareto exponent are computed…

econ.TH2026

Conditional Impatience and Concavity of Consumption Functions

Alexis Akira Toda

Concave consumption functions imply a marginal propensity to consume that falls with wealth. I characterize the utility functions that guarantee this property in finite-horizon opt…

econ.GN2026

Can AI Refute Economic Theory? Evidence from Beyond the Knowledge Cutoff

Alexis Akira Toda

Can artificial intelligence (AI) refute economic theory? I document experiments in which I asked several AI models (Gemini, Refine, Claude, and ChatGPT) to check the correctness of…

econ.TH2025

A Theory of Saving under Risk Preference Dynamics

Qingyin Ma, Xinxi Song, Alexis Akira Toda

Empirical evidence shows that wealthy households have substantially higher saving rates and markedly lower marginal propensity to consume (MPC) than other groups. Existing theory c…

econ.TH2025

Land and Infinite Debt Rollover

Tomohiro Hirano, Alexis Akira Toda

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 r…

econ.TH2025

Wealth Preferences and the Upper Tail of Consumption

Qingyin Ma, Alexis Akira Toda

We develop a theory of optimal saving when wealth enters utility. Relative curvatures of consumption and wealth utility, and , govern the upper-tail behavior. When , we…