Consumption smoothing and extended families: Eighth World Congress

Orazio P. Attanasio, José Victor Ríos-Rull

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Scopus citations

Abstract

Introduction Agricultural economies are characterized by substantial fluctuations in individual income. Someof these fluctuations affect all members of the society, whereas others are individual specific. Income fluctuations do not have to translate into consumption fluctuations (that people abhor given convex preferences). However, all too often, income fluctuations induce (perhaps mitigated) consumption fluctuations. Moreover, there is evidence that idiosyncratic risk is not fully insured even within relatively small and closed groups. Udry (1994), for instance, discussing his evidence from rural Nigeria, states that “it is possible to reject the hypothesis that a fully Pareto-efficient risk-pooling allocation of village resources is achieved through these loans. The mutual insurance network available through these loans to households in rural northern Nigeria is important, but it is in complete” (p. 523). We think of agricultural societies (villages and islands) as both having undeveloped financial markets and being small enough so that anonymity does not exist within the village. At the same time, however, information about idiosyncratic shocks could be difficult to convey to the outside world. In other words, these societies might have limited enforcement capability. The lack of developed financial markets prevents the members of these societies from borrowing and lending and from insuring both among themselves and with the outside world. The fact that, within the economy (or smaller subsets of agents), information problems are negligible, while enforceability problems might be serious, suggests the modeling framework to use when thinking of what type of institutions may develop to substitute for the missing markets. In short, the only type of arrangement that may be possible is self-enforcing contracts, that is, contracts that are sustained by the mutual interest of the parties of maintaining the relationship.

Original languageEnglish
Title of host publicationAdvances in Economics and Econometrics: Theory and Applications, Eighth World Congress, Volume III
Subtitle of host publicationEighth World Congress
EditorsM Dewatripont, L Hansen, S Turnovski
PublisherCambridge University Press
Pages209-242
Number of pages34
Volume3
ISBN (Electronic)9780511610264
ISBN (Print)0521818745, 9780521818742
DOIs
StatePublished - 2003

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