1. Catching Up in Broadband Regressions: Does Local Loop Unbundling Really Lead to Material Increases in OECD Broadband Uptake?
2. Generally speaking, it is probably a good idea to use the WHITE option ? routinely;T Wallace;ECONOMETRICS: AN INTRODUCTION,1988
3. That is, they converge to their true values as the sample size gets larger. The instruments are those found in de Ridder and the Berkman Study;Age Yindex;2SLS estimates are biased but consistent