Local Geographic Distance and Business Practice Non-Contagion
Development programs often rely on peer-to-peer knowledge spillovers, assuming that non-treated microenterprises located near trained peers will observe, learn, and passively adopt improved business management practices.
Picture this
Imagine two neighboring food stalls in a market. A consultant teaches one owner a new way to organize inventory and keep accounts. The neighboring owner sees the consultant visiting and sees the new record books, but does not copy the method because they do not understand the underlying financial calculations or do not perceive a clear profitability gain from spending extra time on bookkeeping. Without direct, tailored coaching or clear visible profit gains, business practices do not naturally diffuse to neighboring firms simply through physical proximity.
What the evidence says
Minimum distance to a consulting tailor had no statistically significant effect on business practice adoption by control tailors (coefficient = -0.0304, p > 0.10), and the number of consulting tailors within 0.5 km similarly showed no significant spillover effect (coefficient = 0.00779, p > 0.10).
- Who
- 160 microenterprise tailors across 8 geographic clusters in Accra, Ghana, spaced between 1 to 10 minutes walk apart or in adjacent market stalls.
- How
- Geographic spillover analysis measuring adoption of 35 recommended business practices among control tailors as a function of minimum distance to consulting tailors and the density of consulting tailors within a 0.5 km radius over 8 survey rounds.
What to do
Do not rely on geographic proximity or peer diffusion to spread complex managerial practices across microenterprise clusters; direct intervention is required for practice adoption.
From the source
"There is no evidence that the number of nearby tailors who received the consulting treatment had any impact on the adoption of recommended business practices by either control group or consulting group tailors..."
Consulting and Capital Experiments with Microenterprise Tailors in Ghana