Olivia, Susan; Gibson, John - Department of Economics, Waikato Management School - 2006
sources, which is identified by the spatial variation in unit values (expenditures divided by quantities). We correct for the … various quality and measurement error biases that result when unit values are used as proxies for market prices. The price … demand system for five energy sources,
which is identified by the spatial variation in unit values (expenditures divided by …