communications. The authors use panel data covering the period 1991-99 in Indonesia. Their analysis, employing a modified quot … reduced pesticide use among graduates and their neighbors who may have gained knowledge from graduates through informal …

farms. The empirical analysis uses data on a balanced panel of 130 Spanish dairy farms over the period 1999-2006. We find …

panel data estimation technique, called mean observation OLS (MO‐OLS) that allows for spatial and temporal heterogeneity in …