Stefano Trento

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I study the role of intellectual property rights (IPRs) in a model of endogenous growth with sequential innovation. The model mimics the innovation process in hi-tech sectors where many of the techniques and products used in R&D are recent discoveries themselves. Depending on the structure of the patent system, some of these discoveries might still be(More)
In this paper we propose an empirical method to develop mapping strategies between a gestural-based interface (the Gloves) and physically based sound synthesis models. An experiment was conducted to investigate which gestures listeners associate with sounds synthesised using physical models , corresponding to three categories of sound: sustained, iterative(More)
This paper describes the development of a prototype of a sonic toy for pre-scholar kids. The device, which is a modified version of a football ratchet, is based on the spinning gesture and it allows to experience four different types of auditory feedback. These algorithms let a kid play with music rhythm, generate a continuous sound feedback and control the(More)
We present a dynamic model where the accumulation of patents generates an increasing number of claims on sequential innovation. We compare innovation activity under three regimes –patents, no-patents, and patent pools– and find that none of them can reach the first best. We find that the first best can be reached through a decentralized tax-subsidy(More)
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