35 citations · 88 across the 11 of their papers we have counts for
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math.OC2020★ 12 cited
Unbounded Dynamic Programming via the Q-Transform
Qingyin Ma, John Stachurski, Alexis Akira Toda
We propose a new approach to solving dynamic decision problems with unbounded rewards based on the transformations used in Q-learning. In our case, the objective of the transform i…
econ.TH2020★ 25 cited
A Theory of the Saving Rate of the Rich
Qingyin Ma, Alexis Akira Toda
Empirical evidence suggests that the rich have higher propensity to save than do the poor. While this observation may appear to contradict the homotheticity of preferences, we theo…
econ.GN2020★ 11 cited
Asymptotic Linearity of Consumption Functions and Computational Efficiency
Qingyin Ma, Alexis Akira Toda
We prove that the consumption functions in optimal savings problems are asymptotically linear if the marginal utility is regularly varying. We also analytically characterize the as…