نتایج جستجو برای: trade cycles
تعداد نتایج: 184709 فیلتر نتایج به سال:
This paper introduces NEAT-based Evolutionary Computation as the basis for a fully automated trading system application. The system is designed to trade FX markets by detecting profitable currency cycles in the most widely traded currencies and forecasting future exchange rates. To do this, it relies on a fitness function that measures profitability, as well as a fitness function that measures ...
We study the effects of trade integration for the conduct of monetary policy in a two-country model with heterogeneous firms, endogenous producer entry, and labor market frictions. The model reproduces important empirical regularities related to international trade, namely synchronization of business cycles across trading partners and reallocation of market shares across producers. Three key re...
Evolutionary behaviour in ecological systems with trade-offs and non-equilibrium population dynamics
Question: Do non-equilibrium (cycles or chaos) population dynamics change evolutionary behaviour when compared with equilibrium dynamics? Mathematical methods: The theory of adaptive dynamics is applied to a discrete ecological model with an explicit trade-off between reproduction and survival. Simulation techniques are compared with the theoretical findings. Key assumptions: Mutations in life-...
We derive a comprehensive overview of specialization evolution based on analytical results and numerical illustrations. We study the separate and joint evolution of two critical facets of specialization-local adaptation and habitat choice-under different life cycles, modes of density regulation, variance-covariance structures, and trade-off strengths. A particular feature of our analysis is the...
The evolution of haploid and diploid phases of the life cycle is investigated theoretically, using a model where the relative length of haploid and diploid phases is under genetic control. The model assumes that selection occurs in both phases and that fitness in each phase is a function of the time spent in that phase. The equilibrium and stability conditions that allow for all-haploid, all-di...
Covalent modification cycles (e.g., phosphorylation-dephosphorylation) underlie most cellular signaling and control processes. Low molecular copy number, arising from compartmental segregation and slow diffusion between compartments, potentially renders these cycles vulnerable to intrinsic chemical fluctuations. How can a cell operate reliably in the presence of this inherent stochasticity? How...
We present a discrete two-regional Kaldorian macrodynamic model with flexible exchange rates and explore numerically the stability of equilibrium and the possibility of generation of business cycles. We use a grid search method in two-dimensional parameter subspaces, and coefficient criteria for the flip and Hopf bifurcation curves, to determine the stability region and its boundary curves in s...
Slow-fast systems on the two-torus T 2 provide new effects not observed for systems on the plane. Namely, there exist families without auxiliary parameters that have attracting canard cycles for arbitrary small values of the time scaling parameter ε. In order to demonstrate the new effect, we have chosen a particularly simple family, namely ẋ = a − cosx − cos y, ẏ = ε, a ∈ (1, 2) being fixed. T...
Demonstrating compliance with the applicable regulations for the Waste Isolation Pilot Plant (WIPP) requires an assessment of the Iong-term performance of the disposal system. Scenario development is one starting point of this assessment, and generates inqui~ about the present state and fiture evolution of the disposal system. Scenario development consists of four tasks: (i) identi&ing and clas...
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