The study on ownership and technical efficiency shows that enterprises with ownership types other than state ownership, domestic collective ownership, and joint domestic ownership are technically more efficient on average than these three types. This may indicate that, after 20 years of...

This paper considers the problem of prediction in a panel data regression model with spatial auto-correlation in the context of a simple demand equation for liquor. This is based on a panel of 43 states over the period 1965-1994. The spatial auto-correlation due to neighboring states and the...