Questions: Microfinance and Microcredit Markets

Question 1

A microfinance program operates in a rural village for two years. Borrowers show more business activity and report greater financial stability. A researcher conducts an RCT. Which conclusion is best supported by the existing evidence on microcredit?

• A. The program has definitively increased household incomes — RCTs consistently find large earnings gains
• B. The program has improved credit access and supported existing enterprises, but reliable income gains for average borrowers are modest and inconsistent across contexts
• C. The program has failed — most borrowers used loans for consumption rather than investment, which is wasteful
• D. The program will reduce poverty reliably once it scales, since larger lending portfolios produce stronger effects

Answer: (B)

RCTs across six countries (Banerjee et al.) found that microcredit expanded business activity and improved financial flexibility but did not produce large, consistent income increases for the average borrower. The correct framing is 'improved access with modest average impact' — not failure, but not the transformative poverty cure that early advocates claimed. Many borrowers who used credit for consumption smoothing were better off for having access, even if their incomes didn't rise measurably.

Question 2

In a group lending model (e.g., Grameen Bank), why do borrowers have strong incentives to screen their fellow group members before joining?

• A. Larger groups with more reliable members qualify for larger total loan amounts shared among all
• B. Each member's future access to credit depends on the whole group repaying — a defaulting member cuts off everyone's future loans
• C. Interest rates drop when all group members maintain high repayment scores
• D. The bank requires written personal guarantees from all members for each other's debts

Answer: (B)

Group liability is the mechanism that replaces physical collateral. Each member's continued credit access is contingent on group repayment, so accepting a risky borrower endangers your own future loans. This creates strong incentives for pre-loan screening (adverse selection reduction) and post-loan monitoring (moral hazard reduction) — the information and enforcement problems that make lending to uncollateralized borrowers costly for banks are outsourced to the borrowers themselves, who have superior local knowledge.

Question 3

Randomized controlled trials of microcredit programs consistently find that access to microloans produces large increases in household consumption and income within two to three years.

• T. True
• F. False

Answer: False

The landmark RCTs (Banerjee, Duflo, and colleagues across six countries) found that microcredit expanded business investment and asset ownership for some borrowers, but average effects on household consumption and income were small and often statistically insignificant. The programs were not harmful, but they also did not reliably deliver the transformative poverty reduction that early advocates claimed. Effects were most positive for households with existing entrepreneurial activity.

Question 4

Social collateral in group lending partially solves the lender's information problem because group members have better knowledge of each other's creditworthiness and behavior than any external bank could obtain.

• T. True
• F. False

Answer: True

This is the core insight behind group lending. A bank entering a village has no cheap way to assess individual borrowers' character, business skills, or likelihood of repayment. Villagers who know each other can. By making group members liable for each other, the lender transfers the screening and monitoring functions to people who already have the relevant private information — and now have financial incentives to use it.

Question 5

Why is consumption smoothing a legitimate and valuable use of microcredit, even if it does not increase a household's average income?

Model answer: Poor households typically have highly irregular income (seasonal harvests, variable daily wages) but relatively fixed expenses (food, rent, school fees, healthcare). When income drops temporarily, lacking credit access forces households to sell productive assets (livestock, tools), withdraw children from school, or skip meals — decisions that permanently reduce future earning capacity. A loan that bridges the gap allows households to maintain consumption and assets through income shocks, protecting their long-run productivity. The value is in smoothing a volatile income stream, not in raising its average level.

Distinguishing consumption smoothing from 'unproductive' borrowing is important for evaluating microfinance impact. The finding that many borrowers use credit this way doesn't mean the programs fail — it means their benefit is stabilization rather than growth. A full accounting of microfinance impact must include the value of avoided asset sales and maintained human capital, not just measured income changes.