This chapter explores important topics related to labor markets in developing countries, focusing on issues like family enterprises, labor market dynamics, health and nutrition effects on productivity, and the impact of imperfect markets on labor adjustments. The researchers analyze factors influencing human capital investments, urban labor markets, and distribution of resources. Key findings include the significance of household enterprises, the role of labor contracts in incentivizing workers, and the impact of education and health on labor market outcomes. The chapter highlights differences in labor market dynamics between developing and developed economies, shedding light on the unique challenges faced by the majority of the global workforce in developing countries.