Chen, Yan and Zhang, Yan (2008): Are Progressive Income Taxes Stabilizing? : A Reply. Unpublished.
Chen, Yan and Zhang, Yan (2009): Dynamic effects of government expenditure in a finance constrained economy: A Note. Unpublished.
Zhang, Yan (2008): Tariff and Equilibrium Indeterminacy. Unpublished.
Zhang, Yan (2009): Tariff and Equilibrium Indeterminacy. Unpublished.
