We give necessary and sufficient conditions in terms of sign vectors for the injectivity of
families of polynomial maps with arbitrary real exponents defined on the positive orthant …

We survey numerical methods that are tractable in dynamic economic models with a finite,
large number of continuous state variables.(Examples of such models are new Keynesian …

To explain the Pareto tail behavior empirically observed in wealth distributions, the
quantitative macro literature has occasionally assumed that agents have random discount …

We develop an analytical framework to study global identification in structural models with
forward-looking expectations. Our identification condition combines the similarity …

We derive sufficient conditions for the existence of multiple equilibria in two-good, two-agent
pure exchange economies with heterogeneous but symmetric preferences with identical …

Statistical treatment rules map data into treatment choices. Optimal treatment rules maximize
social welfare. Although some finite sample results exist, it is generally difficult to prove that …

I obtain a closed-form solution to a Huggett economy with constant absolute risk aversion
(CARA) utility when the vector of individual state variables follows a VAR (1) process with an …

In this paper, we are concerned with the problem of determining the existence of multiple
equilibria in economic models. We propose a general and complete approach for identifying …

Marcet and Marimon (1994, revised 1998, revised 2011) developed a recursive saddle point
method which can be used to solve dynamic contracting problems that include participation …

In this paper, we prove the existence of recursive equilibria in a dynamic stochastic model
with infinitely lived heterogeneous agents, several commodities, and general inter‐and …