Search Results - "Maldonado, Wilfredo L."

Automobile insurance in Brazil: market concentration and demand by Peres, Vivileine Maria, Maldonado, Wilfredo L., Candido, Osvaldo

“…ABSTRACT This paper studies two aspects of the automobile insurance market in Brazil: first, it determines the degree of competition among insurance companies,…”
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Expectational stability in aggregative games by Cornes, Richard, Fiorini, Luciana C., Maldonado, Wilfredo L.

“…In aggregative games individuals’ payoffs depend on players’ own contributions (or strategies) and on the aggregate contribution of other players. The…”
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An international reserves variation threshold to increase loan funding by Maldonado, Wilfredo L., Guillén, Jorge, Ribeiro, Jussara

“…In this article we propose a methodology for the calculation of an international reserves variation threshold that defines the lending decisions of…”
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No‐arbitrage matrices of exchange rates: Some characterizations by Maldonado, Wilfredo L., Egozcue, Juan José, Pawlowsky‐Glahn, Vera

“…We provide some characterizations of the absence of triangular arbitrage in the spot exchange rates of a group of countries. When the matrix of exchange rates…”
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Stimulating broadband adoption: state-owned companies versus tax exemptions – the Brazilian case by Baigorri, Carlos M, Maldonado, Wilfredo L

“…Purpose The purpose of this paper is to propose a new methodology to assess the economic and social impacts of policies to promote mass access to the internet…”
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Refinement of dynamic equilibrium using small random perturbations by Araujo, Aloisio, Maldonado, Wilfredo L., Pinheiro, Diogo, Pinto, Alberto A., Choubdar Soltanahmadi, Mohammad

“…We propose a refinement process of dynamic equilibria based on small random perturbations (SRPs) of the backward perfect foresight (bpf) equilibrium map in a…”
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Optimal mobile termination rate: The Brazilian mobile market case by Baigorri, Carlos M., Maldonado, Wilfredo F.L.

“…This paper presents a study of the impacts of changes in the mobile termination rate in Brazil using 2008 as the base year. For this we use an extension of the…”
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Accuracy of policy function approximations for strongly concave recursive problems by Maldonado, Wilfredo L., Candido, Osvaldo, Pereira, Luis Felipe V. N.

“…Under the hypotheses of strong concavity of the aggregator function and concavity of the stochastic operator which define the objective function of the…”
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Cointegrated Periodically Collapsing Bubbles in the Exchange Rate of "BRICS" by Maldonado, Wilfredo L., Tourinho, Octavio A. F., Abreu, Jorge A. B. M. de

“…We test the occurrence of periodically recurring rational bubbles in the exchange rate of each of the "BRICS" countries currency relative to the US dollar. The…”
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Seguros de automovel no Brasil: concentracao e demanda de mercado by Peres, Vivileine Maria, Maldonado, Wilfredo L, Candido, Osvaldo

“…Este trabalho estuda dois aspectos do mercado de seguros de automovel no Brasil: o primeiro visa determinar o grau de competitividade das empresas que o…”
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Exchange rate bubbles: Fundamental value estimation and rational expectations test by Maldonado, Wilfredo L., Tourinho, Octávio A.F., Valli, Marcos

“…We propose a model of periodically collapsing bubbles which extends the Van Norden (1996) model, and nests it, by considering a non-linear specification for…”
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Inflation and income inequality: A shopping-time approach by Cysne, Rubens P., Maldonado, Wilfredo L., Monteiro, Paulo Klinger

“…Our work is based on a heterogenous agent shopping-time economy in which economic agents present distinct productivities in the production of the consumption…”
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Quadratic funding with incomplete information by Freitas, Luis Mota, Maldonado, Wilfredo L.

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Hölder continuity of the policy function approximation in the value function approximation by Maldonado, Wilfredo L., Svaiter, B.F.

“…We show that given a value function approximation V of a strongly concave stochastic dynamic programming problem (SDDP), the associated policy function…”
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Role of optimization in the human dynamics of task execution by Cajueiro, Daniel O, Maldonado, Wilfredo L

“…In order to explain the empirical evidence that the dynamics of human activity may not be well modeled by Poisson processes, a model based on queuing processes…”
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Ergodic Chaos, Learning and Sunspot Equilibrium by Araujo, Aloisio P., Maldonado, Wilfredo L.

“…In this paper we construct sunspot equilibria that arise from chaotic deterministic dynamics. These equilibria are stationary and have absolutely continuous…”
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Inflation and income inequality: A shopping-time approach by Cysne, Rubens P, Maldonado, Wilfredo L, Paulo Klinger Monteiro

“…Our work is based on a heterogenous agent shopping-time economy in which economic agents present distinct productivities in the production of the consumption…”
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Collateral or utility penalties? by Maldonado, Wilfredo L., Orrillo, Jaime

“…In a two‐period economy with incomplete markets and possibility of default we consider the two classical ways of enforcing the honoring of financial…”
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The role of optimization in the human dynamics of tasks execution by Cajueiro, Daniel O, Maldonado, Wilfredo L

“…Phys. Rev. E 77, 035101(R) (2008) In order to explain the empirical evidence that the dynamics of human activity may not be well modeled by Poisson processes,…”
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