Related Experiment Video
Updated: Aug 30, 2025

14:23
Design and Optimization Strategies of a High-Performance Vented Box
Published on: June 9, 2023
1.2K
Calculation Model of Regional Economic Growth Efficiency by Intelligently Optimized Interunit Layout
Xiufeng Song1, Jingying Ke2, Huayan Shen3
1School of Economics and Management, Nanchang Normal College of Applied Technology, Nanchang 330000, Jiangxi, China.
Computational Intelligence and Neuroscience
|September 2, 2022
Summary
China
Area of Science:
- Economics
- Regional Development
- Economic Growth
Background:
- China's economic development post-reform and opening up relies on high-input, low-efficiency models.
- Regional economic development effectiveness is a persistent global economic debate.
- Previous countermeasures have not reversed the high growth, low efficiency paradigm.
Purpose of the Study:
- To analyze the dual components of economic development: factor quantity impact and efficiency.
- To assess the annual average efficiency of economic growth and factor contributions.
- To investigate the economic growth efficiency related to capital industry allocation.
Main Methods:
- Decomposition of economic development into factor quantity and efficiency impacts.
- Calculation of annual average economic growth efficiency.
- Analysis of factor contributions to economic growth over five years.
Main Results:
- The study quantifies the contribution of production factors to economic growth.
- Identified specific average annual contributions for various production factors.
- Reported economic growth efficiency figures for capital industry allocation changes.
Conclusions:
- Economic development in China continues to face challenges of high input and low efficiency.
- Understanding the efficiency of factor allocation is crucial for sustainable growth.
- Further research is needed to effectively reverse the low-efficiency growth pattern.
Related Concept Videos
Production Efficiency
17.0K
Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
17.0K
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
100
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...
100
Mechanistic Models: Compartment Models in Individual and Population Analysis
83
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...
83
Area Computation by the Alternative Coordinate Method
140
The alternative coordinate method, also known as the Shoelace Formula, is a technique for determining the area of a traverse using Cartesian coordinates. This method relies on the sequential arrangement of x and y coordinates for each point of the shape, ensuring accuracy and ease of application.In this approach, each corner's x and y coordinates are listed as fractions, with the x-coordinate as the numerator and the y-coordinate as the denominator. These coordinates are arranged sequentially...
140
Mechanistic Models: Overview of Compartment Models
150
Mechanistic models, a category encompassing both physiological and compartmental modeling, differ from empirical models' approaches to incorporating known factors about the systems being modeled. Empirical models describe data with minimal assumptions, while mechanistic models aim to provide a robust description of available data by specifying assumptions and integrating known factors about the system. Compartmental analysis is a key example of a mechanistic model in pharmacokinetics and...
150
One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation
676
This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
On...
676

