Using a diagram called a "Kolm triangle" adopted in Kolm (197'7, the important issues of 1) Pareto efficiency and the core, and 2) Lindahl equilibrium and the core in the resource allocation problem involving public goods analyzed by Foley (197'7 and Nikaido (1976) can be illustrated merely...

I will set up a discrete-time multi-sector optimal growth model with fixed labor and show the indeterminacy of an optimal steady state. The key assumptions are constant returns to scale technologies and a linear utility setup. Under those assumptions, I will show that there exists a plane,...