Abstract – Previous research has shown that in many low and middle income countries micro and small entrepreneurs achieve relative high marginal returns to capital but show only very low reinvestment rates. Existing research is rather inconclusive about the possible causes. We explore whether forced solidarity, i.e. abusive demands by the family and kin hinder entrepreneurs to save and to invest. We start from a relatively simple theoretical model in which households consume and pursue different income generating activities, mainly the production of goods and services and the engagement in dependent wage work outside the household. Value added of the household business is subject to a solidarity tax imposed by the household’s wider family and kin-group. In this model a higher solidarity tax leads to a reallocation of productive resources away from household production to other income generating activities and leisure. We use an original data set of West-African migrant entrepreneurs to see whether the empirical observation is consistent with the predictions of the model. We find some evidence that family and kinship structures within the city enhance labour effort and the use of capital. However, closeness to the area of origin seem to have adverse effects on both.

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Keywords Forced solidarity, Kinship, West- Africa., firm growth, informal sector, social networks
Persistent URL hdl.handle.net/1765/34781
Note Second draft, 10 August 2010