Related Experiment Video
Updated: Dec 11, 2025
06:55
Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
Published on: September 26, 2016
8.3K
Differentiating mobile broadband policies across diffusion stages: A panel data analysis.
Mekuria Haile Teklemariam1, Youngsun Kwon1
1School of Business and Technology Management, College of Business, KAIST, South Korea.
Telecommunications Policy
|August 25, 2020
Summary
Mobile broadband diffusion policies must adapt to a country's market stage. Strategies vary significantly, with "Take-off" countries having fewer effective policy options for mobile broadband adoption.
Area of Science:
- Economics
- Information and Communication Technology Policy
Background:
- Mobile broadband adoption is crucial for economic development.
- Policy interventions are key to accelerating mobile broadband diffusion.
- Understanding market stage dynamics is essential for effective policy design.
Purpose of the Study:
- To investigate the effectiveness of policy mixes for mobile broadband diffusion across different market stages.
- To identify how demand constraints and policy effectiveness change as mobile broadband markets mature.
- To provide differentiated policy recommendations based on a country's diffusion stage.
Main Methods:
- Clustering 115 countries into three diffusion stages (Take-off, Fast-Diffusion, Saturated) based on 2013-2016 data.
- Utilizing pooled and fixed effect panel data models to analyze 23 explanatory variables.
- Employing interaction terms to identify differential policy effects across country groups.
Main Results:
- Policy effectiveness varies significantly across the three mobile broadband diffusion stages.
- The number of effective policy choices increases with market maturity: six for Take-off, ten for Fast-Diffusion, and thirteen for Saturated.
- Countries in the Take-off stage have the most limited policy options for promoting mobile broadband.
Conclusions:
- A one-size-fits-all policy approach is ineffective for mobile broadband diffusion.
- Policy strategies must be tailored to the specific diffusion stage of a country's mobile broadband market.
- Further research can explore specific policy instruments within each stage's choice set.
More Related Videos
Related Concept Videos
01:07Diffusion on Chromatography Columns
1.1K
In column chromatography, when an analyte is introduced as a narrow band at the top of the column, the solutes begin to separate and broaden, developing a Gaussian profile. This broadening occurs due to various factors, such as longitudinal diffusion.
Longitudinal diffusion occurs when the solute molecules in the mobile phase diffuse from the more concentrated center of the chromatographic band to the more dilute regions on either side, both towards and against the flow direction. This...
Longitudinal diffusion occurs when the solute molecules in the mobile phase diffuse from the more concentrated center of the chromatographic band to the more dilute regions on either side, both towards and against the flow direction. This...
1.1K
01:50Cross-Sectional Research
12.2K
In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
12.2K
01:15Theories of Dissolution: Diffusion Layer Model
1.4K
Dissolution, the process by which drug particles dissolve in a solvent, is explained by the diffusion layer model, a theoretical framework that simulates the absorption of oral drugs and allows us to analyze experimental data.
This process starts with a thin layer, saturated with the drug, forming at the interface between the solid and liquid. The solute then diffuses from this layer into the main solution. The Noyes-Whitney equation suggests that the rate of dissolution relies on the diffusion...
This process starts with a thin layer, saturated with the drug, forming at the interface between the solid and liquid. The solute then diffuses from this layer into the main solution. The Noyes-Whitney equation suggests that the rate of dissolution relies on the diffusion...
1.4K
01:17Passive Diffusion: Overview and Kinetics
1.1K
Passive diffusion is a critical process that allows small lipophilic drugs to cross the cell membrane along a concentration gradient. This mechanism's efficiency depends on four primary factors: the membrane's surface area, the drug's lipid-water partition coefficient, the concentration gradient, and the membrane's thickness.
When administered orally, drugs establish a substantial concentration gradient between the gastrointestinal (GI) lumen and the bloodstream, expediting...
When administered orally, drugs establish a substantial concentration gradient between the gastrointestinal (GI) lumen and the bloodstream, expediting...
1.1K
01:09Analyte Adsorption and Distribution
2.2K
In certain chromatographic separations, solutes transfer between the mobile phase and the stationary phase via sorption, which typically refers to the process of adsorption. For many chromatographic systems, the sorption process often depends on the polarity of the compounds—an expression of the overall dipole moment within the molecule. During the separation process, there is competition between the solute and solvent for adsorption to the stationary phase. Highly polar compounds and...
2.2K
01:24Protein Diffusion in the Membrane
5.3K
Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
5.3K