Economic Progress

How do we get credit to the poorest in society?

A Cambodian child holds a plastic bag as he waits for the arrival of humanitarian workers at the School for Vulnerable Child Garbage Workers at the Steng Meanchey dump site outside Phnom Penh July 5, 2010. Although the city has new modern site that handles its garbage, hundreds of Cambodians including children, many of them orphans, still live and work at the old abandoned dump site in the outskirts of Phnom Penh. REUTERS/Damir Sagolj

A Cambodian child holds a plastic bag. Image: REUTERS/Damir Sagolj

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Economic Progress

The dominant model in Indian microfinance emerged in the early 1990s when the Reserve Bank of India issued guidelines to all nationalised commercial banks encouraging them to lend to informal community-based groups called ‘self-help groups’. In contrast to traditional microfinance institutions, these groups have varying group sizes and flexible rules for saving and lending among themselves. Self-help groups can also offer greater possibilities for financial integration because their members are linked directly to the formal banking system. Most research on the economics of micro-lending has focused on the functioning of specialised microfinance institutions (see Attanasio et al. 2015) such as the Grameen Bank, and we know relatively little about this alternative institutional structure.

Many of the experiments on microfinance institutions show modest take-up rates and limited financial gains (see, for example, the 2015 special issue of the American Economic Journal and De Haas et al. 2011). The self-help group programme in India relied on non-government organisations blanketing the areas in which they operated with new self-help groups, and this resulted in successful outreach. Official banking statistics in India report the creation of about 8 million self-help groups comprising 100 million households since 1991. Our research aims at understanding the composition of self-help group membership, the duration of members within the programme, and their differential access to credit. We are especially interested in the extent to which this programme served landless rural households and those belonging to socially isolated groups, namely the Scheduled Castes and Scheduled Tribes.

Our data come from 1,521 groups in selected districts of the three Indian states of Jharkhand, Orissa and Chattisgarh. This is a census of all groups initiated by PRADAN, a non-government organisation working in these areas, during the period 1998-2007. These groups consist only of women and have an average of 14 initial members. They start by saving and lending among themselves and if they manage this successfully for a few months, they are linked to a nearby commercial bank where they can deposit their savings and apply for bank loans.

We focus on the 21,974 women who were initial members of our groups. We find that the coverage of the programme was impressive in that 38% of the households in villages with an self-help group had a participating member. The fractions of Scheduled Castes and Tribes in groups closely matched their population shares in villages. The programme was especially successful in reaching landless households, which constituted 12% of village households and 20% of group members.

Over time the composition of the groups changes due to sizable and selective attrition. Exit occurs both because some groups dissolve and because members leave functioning groups, either voluntarily or under pressure from others. A total of 20% of initial members are no longer in groups at the end of our study period. The representation of the landless and the disadvantaged populations in these areas falls over time due to this selective exit.

Table 1 summarises attrition for different categories of members. Scheduled Tribe members have the highest exit rates, followed by the Scheduled Castes. We see from Table 1 that the tribes drop out of the self-help group network both because their groups are more likely to become inactive and because they leave active groups at higher rates. For the landless members, exit is mostly from active groups and is not sufficiently high to reverse their over-representation among self-help group members. At the end of the period, the landless fraction of active members falls marginally from 20% to 19% while the share of Scheduled Tribes falls down to a little over one-third, the share of Scheduled Castes was fairly constant over time, and the other castes increased their share from 45% to 50%.

Table 1. Attrition rates across caste and land categories

Figure 1 shows estimated Kaplan Meier survival functions, which account for groups and members being observed for different lengths of time. The pattern of exit we observe is consistent with the summary figures described above.

Figure 1. Kaplan Meier survival functions for caste and land categories

We estimate the determinants of group and member survival using duration models. Our most striking finding is that groups that consist entirely of Scheduled Tribes are the most vulnerable. Relative to both heterogeneous caste groups and homogeneous groups of other non-scheduled castes, these groups are 59% more likely to fail. An analysis of member exit from existing groups reveals that Scheduled Castes and Tribes are more likely to leave groups that include higher castes. In contrast, the presence of group heterogeneity does not result in any significant exit of landless members. More educated groups and members survive for longer in the system. An increase in the average education of a group’s members by one year reduces the probability of group failure by 15% and an additional five years of education for a particular member increases her chances of remaining in a group by 10%.

The duration of members within groups is an important determinant of how much credit they are able to obtain. Loans received per year increase steeply over the first four years and then stabilise. We find that access to credit also varies by the composition of the group and the social identity of the member. The Scheduled Tribes get less credit from the banking system for each year that they are in an active group. Their average borrowing is 18% lower than that of higher castes and 15% lower than that of landless members. This difference is driven by the very limited borrowing by homogeneous of groups of Scheduled Tribes. In these groups, members are able to secure less than half of the average loans received by other types of groups per year of activity. Figure 2 provides a more detailed description of the evolution of banks loans for caste and land categories over time. We see that there is no significant difference between borrowings of members with and without land.

Figure 2. Loan amounts by caste and land categories

Our research contributes to rethinking microfinance policy in two important respects. First, in terms of evaluating the outreach of microfinance, selective attrition may undermine the effectiveness of programmes that are initially well targeted. Second, although much of the literature on collective action in economics has emphasised the value of homogeneity in raising the value of public goods, we find that homogeneous groups of some socially disadvantaged categories are especially vulnerable and do not seem to have the capacity to sustain group activities without the support of others.

References

Attanasio, Orazio, Britta Augsburg, Ralph De Haas, Emla Fitzsimons, Heike Harmgart, and Costas Meghir (2015), “Microcredit: Neither miracle nor mirage”, VoxEU, 17 June.

American Economic Journal (2015), special issue on microfinance, available athttps://www.aeaweb.org/articles.php?doi=10.1257/app.20140287.

De Haas, Ralph, Orazio Attanasio, Britta Augsburg, Emla Fitzsimons, Heike Harmgart (2011), “Microfinance: Is it time to write off group loans?”, VoxEU, 23 December.

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