Original abstracts from the papers in the database are provided below. All abstracts are drawn directly from the papers referenced. Links to access the papers are provided, although
the papers may also be available from other web sources. By providing links to other sites, the United Nations Foundation and ExxonMobil Foundation do not guarantee, approve, or endorse the information or products available on these sites.
Karlan, McConnell, Mullainathan and Zinman (2011)
We develop and test a simple model of limited attention in intertemporal choice. The model posits that individuals fully attend to consumption in all periods but fail to attend to some future lumpy expenditure opportunities. This asymmetry generates some predictions that overlap with models of present-bias. Our model also generates the unique predictions that reminders may increase saving, and that reminders will be more effective when they increase the salience of a specific expenditure. We find support for these predictions in three field experiments that randomly assign reminders to new savings account holders.
Intervention settings: Peri-urban: Western Mindanao (Philippines); Unspecified locations: Bolivia and Peru.
Intervention description: Sending monthly reminders by text message or by letter to remind individuals who had opened savings accounts and established savings goals.
Sample: Customers of savings banks.
Findings: Overall, savings were 6% higher in banks sending monthly reminders.
Ashraf, Karlan, and Yin (2007)
Female "empowerment" has increasingly become a policy goal, both as an end to itself and as a means to achieving other development goals. Microfinance in particular has often been argued, but not without controversy, to be a tool for empowering women. Here, using a randomized controlled trial, we examine whether access to and marketing of an individually-held commitment savings product leads to an increase in female decision-making power within the household. We find positive impacts, particularly for women who have below median decision-making power in the baseline, and we find this leads to a shift towards female-oriented durables goods purchased in the household.
Intervention settings: Unknown.
Intervention description: Individual commitment savings product provided by a rural bank. Account matures only when a pre-specified goal is reached. Savings training.
Sample: 3,125 bank clients and non-clients (60% women and most married).
Findings: Consumption of durables associated with women increased only among married women who started below the median level of decision-making power.
de Mel et al (2009)
We report on a field experiment providing random grants to microenterprise owners. The grants generated large profit increases for male owners, but not for female owners. We show that the gender gap does not simply mask differences in ability, risk aversion, entrepreneurial attitudes, or differences in reporting behavior, but there is some evidence that the gender gap is larger in female-dominated industries. The data are not consistent with a unitary household model, and indeed, imply an inefficiency of resource allocation within households. We show evidence that this inefficiency is reduced in more cooperative households.
Intervention settings: Peri-urban.
Intervention description: Grants of $100 and $200 in cash or in-kind.
Sample: 405 low-capital microentrepreneurs (50% women).
Findings: Positive returns to capital for men's businesses; mixed impact on women's businesses. Women invest very little of smaller grants in business, but as much, if not more than men of the larger grant. Women do not experience permanent increases in business income from grants, while men do.
Under-Savers Anonymous: Evidence on Self-Help Groups and Peer Pressure as a Savings Commitment DeviceKast, Meier and Pomeranz (2012)
We test the effectiveness of self-help peer groups as a commitment device for pre- cautionary savings, through two randomized field experiments among 2,687 micro- entrepreneurs in Chile. The first experiment finds that self-help peer groups are a powerful tool to increase savings (number of deposits grows 3.5-fold and average savings balance almost doubles). Conversely, a substantially higher interest rate has no effect on most participants. A second experiment tests an alternative delivery mechanism and shows that effects of a similar size can be achieved by holding people accountable through feedback text messages, without any meetings or peer pressure.
Intervention settings: N/A (location unspecified).
Intervention description: Peer group pressure versus increase in the real interest rate. Text message reminders one year after accounts offered.
Sample: Low-income micro-enterprise owners in 196 micro-finance groups with savings accounts in the participating bank.
Findings: Individuals in the peer group pressure treatment group saved 3.5 times more often and had more than twice the level of accumulated savings after one year. In contrast, a higher interest rate had almost no effect on savings. The text messages alone had almost as large an effect as peer group pressure. No gender specific effects are reported.
Atkinson, de Janvry, McIntosh and Sadoulet (2010)
We report on an experiment in which a new set of commercial savings products, informed by the behavioral finance literature, were offered to the microfinance borrowers of Guatemala's largest public-sector bank. We find that prompting savings at the time of loan repayment leads savings deposits to double relative to the control, and framing a contribution of 10% of the loan payment causes them to double again. Loan repayment and savings accumulation appear to be complementary. Mainstreaming the most successful product tested here would allow the bank to realize savings sufficient to leverage 50% of the short-term loan portfolio.
Intervention settings: N/A (locations unspecified).
Intervention description: New commercial savings products, with no financial incentives or penalties, were offered to existing borrowers.
Sample: 1,375 borrowers from 20 microfinance branches of Guatemala's largest public sector bank.
Findings: Prompting for savings at the time of loan payments doubles savings, while suggesting a savings deposit equal to 10% of the loan repayment causes savings to double again. Women are significantly more likely to take up the offer of a savings account. However, women's accumulated net savings are significantly lower overall.