创新指标:在美国和欧洲国家的创新决定因素的基于代理的建模
Arles Rodríguez1, Mercedes Gaitán-Angulo2, Melva Inés Gómez-Caicedo3
1Departamento de Matemáticas, Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia.
PloS one
|January 8, 2025
概括
这项研究介绍了Innovameter,这是一个基于代理的模型,分析技术访问和教育等创新驱动因素. 它揭示了影响30个国家的全球创新指数的关键变量.
科学领域:
- 经济学 经济学 经济学
- 计算社会科学 计算社会科学
- 创新研究 研究 创新研究
背景情况:
- 创新动态受到技术获取,教育和预期寿命等因素的影响.
- 现有的模型可能无法完全捕捉这些变量在国家创新绩效上的复杂相互作用.
- 全球创新指数 (GII) 作为评估国家创新能力的关键指标.
研究的目的:
- 开发和验证一个基于代理的模型,Innovameter,用于模拟创新动态.
- 确定和量化关键社会经济和技术变量对全球创新指数的贡献.
- 为旨在提高国家创新绩效的政策建议提供数据驱动的见解.
主要方法:
- 基于代理的建模 (Innovameter) 有两个抽象级别:国家 (全球) 和个人 (本地).
- 使用相关性分析和多重等级回归的数据分析.
- 使用来自30个国家的数据进行实验模拟,随后进行非参数相关性分析.
主要成果:
- 该Innovameter模型成功地对影响GII的关键变量进行了参数化,包括出生率,预期寿命,ICT使用,研发,年龄,教育和收入.
- 相关性指数证实了模型预测结果与实际GII得分之间的关系.
- 该研究确定了对创新绩效有重大贡献的特定变量.
结论:
- 创新指标为了解和模拟国家创新动态提供了一个强大的框架.
- 专注于确定关键变量的政策干预可能会提高一个国家的全球创新指数.
- 该模型为创新政策中的比较分析和战略规划提供了有价值的工具.
更多相关视频
08:27Applying an eMASS Customization Program as a Research Tool to Evaluate Consumer Benefits
Published on: September 27, 2019
6.9K
20:24Characterization of Complex Systems Using the Design of Experiments Approach: Transient Protein Expression in Tobacco as a Case Study
Published on: January 31, 2014
16.4K
相关概念视频
02:01Factorial Design
13.0K
Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
13.0K
01:23Mechanistic Models: Compartment Models in Individual and Population Analysis
27
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...
27
01:29Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
40
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...
40
01:13Induced-fit Model
80.2K
Most chemical reactions in cells require enzymes—biological catalysts that speed up the reaction without being consumed or permanently changed. They reduce the activation energy needed to convert the reactants into products. Enzymes are proteins, that usually work by binding to a substrate—a reactant molecule that they act upon.
Enzymes exhibit substrate specificity, meaning that they can only bind to certain substrates. This is mainly determined by the shape and chemical...
Enzymes exhibit substrate specificity, meaning that they can only bind to certain substrates. This is mainly determined by the shape and chemical...
80.2K
02:16Stereotype Content Model
14.0K
The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
14.0K
00:52Social Proof
27.5K
Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
27.5K