Final answer:
In low-income countries, people are unable to buy capital goods or save due to their poverty. This lack of saving leads to a lack of capital accumulation and a lack of loanable funds for investment in physical and human capital. This phenomenon is known as the poverty trap.
Step-by-step explanation:
In low-income countries, people often spend all their income on necessities such as food, which leaves them unable to save or buy capital goods. This lack of saving leads to a lack of capital accumulation and a lack of loanable funds for investment in physical and human capital. As a result, households in these economies are trapped in low incomes and unable to push themselves out of poverty. This phenomenon is known as the poverty trap.