Intuition suggests that altering the covariance structure of a parametric model for repeated-measures data alters the variances of the model's estimated mean parameters. The purpose of this article is ...

The estimation of economic relationships often confronts the challenge of weak instruments – variables that are only weakly correlated with endogenous regressors. Such weakness can lead to substantial ...

Download PDF More Formats on IMF eLibrary Order a Print Copy Create Citation This paper provides new empirical evidence on tax buoyancy (tax revenues responsiveness to changes in economic activity) ...

Abstract: A structural import demand equation is derived and estimated for a large number of countries, using recent time-series techniques that address the problem of non-stationarity. The average ...