2016年-世界发展银行全球_Opportunity_versus_Necessity___Understanding_the_Heterogeneity_of_Female_Micro-Entrepreneurs_16页_736kb

Summary of "Opportunity versus Necessity: Understanding the Heterogeneity of Female Micro-Entrepreneurs"

Core Content

This paper investigates the differences between opportunity entrepreneurs and necessity entrepreneurs among female micro-entrepreneurs in urban Mexico, using a unique dataset from a randomized evaluation of a business training program. The study aims to understand how these two types of entrepreneurs differ in terms of business performance, managerial practices, and entrepreneurial skills, both cognitive and non-cognitive.

Main Points

• Opportunity entrepreneurs are defined as those who start a business to pursue a good opportunity, while necessity entrepreneurs are those who start a business due to lack of alternative employment.
• The study finds that opportunity entrepreneurs generally have:
  • Higher business performance (e.g., weekly profits and sales)
  • Better management practices (as measured by the Composite Business Practices score)
  • Higher cognitive and non-cognitive skills (e.g., education, risk-taking, self-efficacy, optimism)
• Descriptive analysis shows that opportunity entrepreneurs are younger, have younger businesses, and are more likely to employ workers, leading to higher monthly salary expenses.
• Discriminant analysis reveals that while observable characteristics can partially distinguish between the two groups, the classification is not perfect, suggesting the presence of unobservable traits that influence both the decision to start a business and its performance.
• The paper uses an instrumental variables (IV) approach, with state GDP growth in the year the business was set up as an instrument for opportunity, to estimate the causal effect of being an opportunity entrepreneur on business profitability and management practices.
• IV results confirm that opportunity entrepreneurs have significantly higher profits and better management practices, even after controlling for observable skills.
• The study also explores robustness by using GDP growth in the year before and after the business was opened as instruments, with similar positive effects observed, although the first-stage partial F statistic remains relatively low.

Key Findings

• Opportunity entrepreneurs outperform necessity entrepreneurs in terms of profitability, management quality, and skills.
• Discriminant analysis indicates that while certain observable traits (like cognitive skills and business practices) can help distinguish the two types, the classification is not entirely accurate.
• Unobservable factors such as social networks, personal traits, and external opportunities may play a significant role in determining the success of female micro-entrepreneurs.
• Instrumental variables (IV) analysis confirms the causal relationship between being an opportunity entrepreneur and better business outcomes.
• The effect of opportunity is more pronounced in high-performing necessity entrepreneurs, suggesting that some necessity entrepreneurs may have the potential to become opportunity entrepreneurs if given better conditions.

Policy Implications

• The findings suggest that targeting business support programs to high-potential entrepreneurs could lead to greater impact.
• Low-performing necessity entrepreneurs may benefit more from interventions that help them transition to salaried employment.
• The study highlights the importance of distinguishing between opportunity and necessity entrepreneurs to design more effective and targeted policies for female entrepreneurship.

Methodology

• Data Source: Baseline survey of 10,275 female micro-entrepreneurs in 8 urban areas of Mexico.
• Variables Measured:
  • Business performance (weekly profits, sales, sales per worker)
  • Management practices (Composite Business Practices score)
  • Cognitive skills (Raven test, digit span test, years of schooling)
  • Non-cognitive skills (agreeableness, conscientiousness, extraversion, self-efficacy, optimism, etc.)
• Estimation Techniques:
  • Descriptive analysis to compare average characteristics and outcomes.
  • Discriminant analysis to identify the best combination of observable traits for classification.
  • Instrumental variables (IV) approach using state GDP growth as an instrument to address endogeneity.

Conclusion

The paper provides new evidence on the heterogeneity of female micro-entrepreneurs, emphasizing that opportunity entrepreneurs are more successful in terms of business performance and management practices. The IV approach confirms this relationship, highlighting the importance of opportunity in driving better outcomes. The results have important policy implications, suggesting that targeted support for high-potential entrepreneurs could enhance the effectiveness of business development programs.