Solution Existence Theorems for Finite Horizon Optimal Economic Growth Problems

The solution existence of finite horizon optimal economic growth problems is studied by invoking Filippov's Existence Theorem for optimal control problems with state constraints of the Bolza type from the monograph of L. Cesari [Optimization Theory and Applications, Springer-Verlag, New York, 1983]. Our results are obtained not only for general problems but also for typical ones with the production function and the utility function being either the AK function or the Cobb--Douglas one. Some open questions and conjectures about the regularity of the global solutions of finite horizon optimal economic growth problems are formulated in this paper.

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