经济竞争建模的利基方法
Saverio Di Giorno1, Aura Reggiani2
1University of Naples Parthenope, Naples, Italy.
Nonlinear dynamics, psychology, and life sciences
|March 20, 2024
概括
经济利基模型揭示了市场动态和坚定的竞争. 模拟实验表明,市场稳定性取决于公司配置,支持工业区理论.
科学领域:
- 经济学 经济学 经济学
- 经济建模经济建模
- 工业组织 工业组织 工业组织
背景情况:
- 捕食者-猎物模型在经济学中有着悠久的历史,从Lotka-Volterra系统演变而来.
- 以前的模型包括商业周期,混乱歇斯底里和可再生资源模型.
- 新古典经济理论对相互作用的经济变量提供了有限的描述.
研究的目的:
- 使用利基模型分析经济竞争机制.
- 为了更丰富地描述相互影响的经济变量.
- 在不同的市场条件下研究公司动态和竞争.
主要方法:
- 采用利基模式的统一框架.
- 公司动态行为的定性研究.
- 分析公司竞争的离散时间模拟实验.
主要成果:
- 经济系统表现出不同的 (不) 稳定性模式.
- 市场的稳定性取决于企业在市场中的配置.
- 这些发现证实了意大利东北部工业区的理论.
结论:
- 利基模式为经济竞争分析提供了更全面的框架.
- 公司互动和市场结构显著影响经济稳定.
- 该研究验证了工业区理论在研究区域的适用性.
相关概念视频
Competition
21.6K
When organisms require the same limited resources within an environment, they may have to compete for them. Competition is a net-negative interaction. Even if two competing individuals or populations do not interact directly, the overall fitness of both competitors is lowered as a result of not having full access to the limited resource.
21.6K
Dynamic Equilibrium
51.6K
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
51.6K
Econometric Views (EViews)
143
Econometric Views, often stylized as EViews, is a package that merges statistical analysis with econometric studies. It is designed to provide tools for time series analysis, forecasting, and econometric model simulation. The software originated from MicroTSP software and has evolved significantly since its inception in 1981. The history of EViews is marked by a continuous effort to enhance its computational speed and user interface. It was initially developed for large computing systems but...
143
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
53
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
53
Mechanistic Models: Compartment Models in Individual and Population Analysis
40
Mechanistic models are utilized in individual analysis using single-source data, but imperfections arise due to data collection errors, preventing perfect prediction of observed data. The mathematical equation involves known values (Xi), observed concentrations (Ci), measurement errors (εi), model parameters (ϕj), and the related function (ƒi) for i number of values. Different least-squares metrics quantify differences between predicted and observed values. The ordinary least...
40
Decision Making: P-value Method
5.3K
The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
First, a specific claim about the population parameter is proposed. The claim is based on the research question and is stated in a simple form. Further, an opposing statement to the claim is also stated. These statements can act as null and alternative hypotheses: a null hypothesis would be a neutral statement while the alternative hypothesis can...
5.3K


