Related Experiment Video
Updated: Apr 18, 2026
20:36
Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
Published on: July 4, 2007
9.3K
Migration dynamics, entrepreneurship, and African development: Lessons from Malawi
Kevin J A Thomas1, Christopher Inkpen1
1Department of Sociology, Pennsylvania State University, University Park, PA 16801.
The International Migration Review
|January 20, 2015
Summary
Migrants in Africa engage in self-employment differently based on origin and destination. Western returnees often avoid agriculture, while other African migrants and women favor it, especially with higher human capital.
Area of Science:
- Socioeconomics
- Development Studies
- Migration Studies
Background:
- Migration, entrepreneurship, and development are key topics in Africa.
- Understanding migrant self-employment is crucial for development.
- African social realities shape migrant economic activities.
Purpose of the Study:
- To examine self-employment differences among migrant groups in Malawi.
- To analyze agricultural and non-agricultural self-employment patterns.
- To contextualize the development contributions of returning migrants.
Main Methods:
- Analysis of data from Malawi.
- Comparison of self-employment across three migrant groups.
- Examination of agricultural vs. non-agricultural engagement.
Main Results:
- International migrants show higher self-employment rates than internal migrants.
- Western returnees often invest in non-agricultural sectors.
- Migrants from other African countries, especially nearby, have high agricultural self-employment.
- Female migrants are more likely to engage in agricultural self-employment.
- Increased human capital correlates with non-agricultural self-employment.
Conclusions:
- Findings necessitate contextualizing the development impact of Western returnees.
- Policy implications for migrant integration and entrepreneurship support.
- Future research should explore gendered and regional dimensions of migrant entrepreneurship.
Related Concept Videos
00:53Migration
9.3K
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
9.3K
01:24Evolution of New Traits in Microbes
184
Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...
184
01:43Sustainable Development
15.5K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.5K
01:09Mutation, Gene Flow, and Genetic Drift
66.5K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
66.5K
02:39Gene Flow
39.3K
Gene flow is the transfer of genes among populations, resulting from either the dispersal of gametes or from the migration of individuals.
39.3K
01:38Limits to Natural Selection
36.2K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
36.2K