Empirical evidence shows that entrepreneurs hold a large fraction of wealth, have higher saving rates than workers, and face substantial uninsurable entrepreneurial and investment risks. This paper constructs a heterogeneous-agent general equilibrium model with uninsurable entrepreneurial risk...

This article uses the <italic>Z</italic>-transform to develop a method for solving the linearised multidimensional discrete-time systems, which can be used to discuss the effects of policies on economy (including the welfare gains and initial effects on economy) raised by multi-sector...

This paper explores the implications of hyperbolic discounting for asset prices and rates of return. Hyperbolic discounting has no effect on the equity premium. However, by making people less patient, causes stock prices to be lower, and interest rates higher, than with exponential discounting....

This paper studies capital accumulation and consumption in the traditional Ramsey model under an exogenous growth framework. The model has three important features: (1) treating health as a simple function of consumption, which enable the study of health and growth in an aggregate macroeconomic...