The study of some discrete IS-LM models with tax revenues and time delay

Authors:
Mihaela Neamtu;Gabriela Mircea;Dumitru Opris
Affiliations:
West University of Timisoara, Department of Economic Informatics and Statistics, Timisoara, Romania;West University of Timisoara, Department of Economic Informatics and Statistics, Timisoara, Romania;West University of Timisoara, Department of Applied Mathematics, Timisoara, Romania
Venue:
WSEAS Transactions on Mathematics
Year:
2009

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Abstract

In this paper, we study some discrete IS-LM models with tax revenues and time delay. Considering its parameters as variables, we analyze the existence of the Neimark-Sacker bifurcation. We find the normal form and its Lyapunov coefficient. For each considered model, using programs in Maple 11 we make some numerical simulations that verify the theoretical results.