The paper develops an AK endogenous growth model with an endogenously determined rate of intertemporal preference. Following some of the related literature, we assume that the degree of impatience that is revealed by the representative agent, regarding future consumption, depends on income. To be precise, the proposed framework establishes a link between the output gap and the discount rate attached to the sequence of future utility functions. We analyze both local and global dynamics. From a

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... cal analysis point of view, a variety of stability results is possible to obtain, depending on parameter values. The study of global dynamics allows to find endogenous business cycles under some reasonable circumstances. On a second stage, the model is extended to include the role of leisure.