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This paper presents two main results on partially observable (PO) stochastic systems. In the first one, we consider a general P O system on Bore1 spaces, with possibly unbounded cost-per-stage functions, and give conditions for the existence of a-discount optimal control policies (0 < a < 1). In the second result we specialize (*) to additive-noise systems(More)
A finite horizon insurance model is studied where the risk/reserve process can be controlled by reinsurance and investment in the financial market. Our setting is innovative in the sense that we describe in a unified way the timing of the events, that is the arrivals of claims and the changes of the prices in the financial market, by means of a(More)
Recent studies have suggested that a causal link exists between the reputation of the institution and the subsequent demand indicators. However, it is unclear how these effects vary across institutional characteristics or whether these effects persist when considering other factors that affects demand outcomes. On the other hand, student demand studies have(More)
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