I present a microeconometric model to analyse residential water demand using panel data. Pricing has an increasing-block structure. Database contains individual consumptions from water meters and lacks further information. Permanent income is treated as an unobservable individual effect...

We develop likelihood-based estimators for autoregressive panel data models that are consistent in the presence of time series heteroskedasticity. Bias corrected conditional score estimators, random effects maximum likelihood (RML) in levels and first differences, and estimators that impose mean...