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  1. Article

    Open Access

    Correction to: Bifurcation structures of a two-dimensional piecewise linear discontinuous map: analysis of a cobweb model with regime-switching expectations

    Laura Gardini, Davide Radi, Noemi Schmitt, Iryna Sushko in Nonlinear Dynamics (2024)

  2. No Access

    Article

    1D Piecewise Smooth Map: Exploring a Model of Investment Dynamics under Financial Frictions with Three Types of Investment Projects

    We consider a 1D continuous piecewise smooth map, which depends on seven parameters. Depending on the values of parameters, it may have up to six branches. This map was proposed by Matsuyama [Theor. Econ., 8, 623...

    Iryna Sushko, Laura Gardini, Kiminori Matsuyama in Ukrainian Mathematical Journal (2024)

  3. Article

    Open Access

    Bifurcation structures of a two-dimensional piecewise linear discontinuous map: analysis of a cobweb model with regime-switching expectations

    We consider the bifurcations occurring in a two-dimensional piecewise-linear discontinuous map that describes the dynamics of a cobweb model in which firms rely on a regime-switching expectation rule. In three...

    Laura Gardini, Davide Radi, Noemi Schmitt, Iryna Sushko in Nonlinear Dynamics (2024)

  4. No Access

    Chapter and Conference Paper

    Border Collision and Heteroclinic Bifurcations in a 2D Piecewise Smooth Map

    We consider a 2D piecewise smooth map originating from an application (acting as a discrete-time model of a DC/DC converter with pulse-width modulated multilevel control). We focus on several non-trivial trans...

    Viktor Avrutin, Laura Gardini, Iryna Sushko in Advances in Discrete Dynamical Systems, Di… (2023)

  5. No Access

    Article

    Dynamics of a business cycle model with two types of governmental expenditures: the role of border collision bifurcations

    We reconsider the multiplier–accelerator model of business cycles, first introduced by Samuelson and then modified by many authors. The original simple model, besides damped oscillations, also leads to diverge...

    Mauro Gallegati, Laura Gardini, Iryna Sushko in Decisions in Economics and Finance (2021)

  6. No Access

    Chapter and Conference Paper

    Ultrasonic Cavitation Equipment with a Liquid Pressure Transformer

    High-intensity ultrasonic vibrations allow to intensify many physical and chemical processes in liquids. In particular, high-intensity ultrasonic vibrations allow efficiently removing the dissolved gases from ...

    Andrey Movchanyuk, Oleksandr Luhovskyi in Advances in Hydraulic and Pneumatic Drives… (2021)

  7. Article

    Open Access

    Codimension-two border collision bifurcation in a two-class growth model with optimal saving and switch in behavior

    We consider a two-class growth model with optimal saving and switch in behavior. The dynamics of this model is described by a two-dimensional (2D) discontinuous map. We obtain stability conditions of the borde...

    Iryna Sushko, Pasquale Commendatore, Ingrid Kubin in Nonlinear Dynamics (2020)

  8. No Access

    Chapter and Conference Paper

    Bifurcations in Smooth and Piecewise Smooth Noninvertible Maps

    In the present chapter we recall some basic concepts and results associated with the local and global bifurcations of attractors and their basins in smooth and nonsmooth noninvertible maps, continuous and disc...

    Laura Gardini, Iryna Sushko in Difference Equations, Discrete Dynamical S… (2019)

  9. No Access

    Article

    A piecewise linear model of credit traps and credit cycles: a complete characterization

    We reconsider a regime-switching model of credit frictions which has been proposed in a general framework by Matsuyama for the case of Cobb–Douglas production functions. This results in a piecewise linear map ...

    Kiminori Matsuyama, Iryna Sushko, Laura Gardini in Decisions in Economics and Finance (2018)

  10. Chapter and Conference Paper

    Emerging Trade Patterns in a 3-Region Linear NEG Model: Three Examples

    This chapter draws attention to a specific feature of a NEG model that uses linear (and not iso-elastic) demand functions, namely its ability to account for zero trade. Thus, it represents a suitable framework...

    Pasquale Commendatore, Ingrid Kubin in The Economy as a Complex Spatial System (2018)

  11. No Access

    Article

    The role of centrality and market size in a four-region asymmetric new economic geography model

    In this paper, we put forward a four-region new economic geography footloose entrepreneur model in which regions are differentiated by their size and their geographical position along a line. There are two dis...

    Pasquale Commendatore, Ingrid Kubin, Pascal Mossay in Journal of Evolutionary Economics (2017)

  12. No Access

    Article

    Dynamics of a minimal consumer network with uni-directional influence

    In a model of interdependent consumer behavior due to (Econ Lett 27(2):145–150 1988, J Econ Behav Organ 21(2):223–231 1993) an individual adjusts his preferences in response to his own past consumption decisions ...

    Ekaterina Ekaterinchuk, Jochen Jungeilges in Journal of Evolutionary Economics (2017)

  13. No Access

    Chapter and Conference Paper

    Alternating Smooth and Nonsmooth Bifurcations in a Discontinuous Linear-Power Map

    We study the dynamics of a one dimensional discontinuous linear-power map. It has a vertical asymptote giving rise to new kinds of border collision bifurcations. We explain the peculiar periods of attracting c...

    Laura Gardini, Roya Makrooni, Iryna Sushko in Extended Abstracts Spring 2016 (2017)

  14. No Access

    Chapter

    Periodicity Induced by Production Constraints in Cournot Duopoly Models with Unimodal Reaction Curves

    In the Cournot duopoly game with unimodal piecewise-linear reaction functions (tent maps) proposed by Rand (J Math Econ, 5:173–184, 1978) to show the occurrence of robust chaotic dynamics, a maximum production co...

    Gian-Italo Bischi, Laura Gardini in Optimization and Dynamics with Their Appli… (2017)

  15. No Access

    Chapter

    Trade Agreements and Regional Disparities

    The treaty of Rome was signed in 1957 and it started a continuous process of strengthening the internal integration of the EU. In this study, we consider the economic effects of intensified trade integration w...

    Pasquale Commendatore, Ingrid Kubin in Dynamic Approaches to Global Economic Chal… (2016)

  16. No Access

    Chapter and Conference Paper

    Some Dynamical Models in Regional Economics: Economic Structure and Analytic Tools

    This chapter aquaints the reader with the use of dynamic models in regional economics. The focus is on the New Economic Geography (NEG) approach. A brief comparison is provided between NEG and other economic a...

    Ingrid Kubin, Pasquale Commendatore in Qualitative Theory of Dynamical Systems, T… (2016)

  17. No Access

    Chapter

    Bifurcation Structure in a Model of Monetary Dynamics with Two Kink Points

    In this paper, we consider the discrete version of the Sargent & Wallace (Econometrica 41:1043–1048, 1973) model with perfect foresight. We assume a piecewise linear money demand function, decreasing over a “n...

    Anna Agliari, Laura Gardini, Iryna Sushko in Nonlinear Economic Dynamics and Financial … (2014)

  18. No Access

    Book

  19. No Access

    Chapter

    A Gallery of Bifurcation Scenarios in Piecewise Smooth 1D Maps

    We give a brief overview of several bifurcation scenarios occurring in 1D piecewise monotone maps defined on two partitions, continuous or discontinuous. A collection of some basic blocks is proposed, which ma...

    Viktor Avrutin, Iryna Sushko in Global Analysis of Dynamic Models in Economics and Finance (2013)

  20. No Access

    Chapter

    A Goodwin-Type Model with a Piecewise Linear Investment Function

    Laura Gardini, Tönu Puu, Iryna Sushko in Business Cycle Dynamics (2006)

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