This article demonstrates how to estimate the parameters of a system of seemingly unrelated regressions when the equations are unbalanced, i.e., when the equations have an unequal number of observations. With estimators that require the data to be in wide format, such as Stata's sureg, the...

This paper generalizes the existing cointegration analysis literature in two respects. Firstly, the problem of efficient estimation of vector error correction models containing exogenous (1) variables is examined. The asymptotic distributions of the (log- )likelihood ratio statistics for testing...

The residential UK electricity market was opened for the first time in 1999, introducing choice of supplier, and about 40% of households changed supplier in the first four years. After three years price caps were removed. We review this process and assess the competitiveness of the market by...

In the present paper we examine the German cinema market using time series data of 49 years. Applying estimation techniques such as OLS, 2SLS and SUR, we identify interrelations between the number of screens, the average real prices and the demand for movies per inhabitant. Furthermore, we test...

In the present paper we examine the German cinema market using time series data of 49 years. Applying estimation techniques such as OLS, 2SLS and SUR, we identify interrelations between the number of screens, the average real prices and the demand for movies per inhabitant. Furthermore, we test...

In the present paper we examine the German cinema market using time series data of 49 years. Applying estimation techniques such as OLS, 2SLS and SUR, we identify interrelations between the number of screens, the average real prices and the demand for movies per inhabitant. Furthermore, we test...

At the heart of many econometric models are a linear function and a normal error. Examples include the classical small-sample linear regression model and the probit, ordered probit, multinomial probit, tobit, interval regression, and truncated-distribution regression models. Because the normal...

We estimate a linear and a piecewise linear Phillips curve model with regional labor market data for West German and Neue Länder. Employing regional observations allows us to country difference the data. This eliminates, under the assumption of homogeneous Länder, supply shocks and changes in...