Expend, a Gauss Programme for Non-Linear GMM Estimation of Exponential Models with Endogenous Regressors for Cross Section and Panel Data

Pharmaceutical Promotion and Gp Prescription Behaviour

Waiting Lists, Waiting Times and Admissions: An Empirical Analysis at Hospital and General Practice Level

Estimation of Panel Data Models with Binary Indicators When Treatment Effects are Not Constant Over Time

Parental Income and Children's Smoking Behaviour: Evidence from the British Household Panel Survey

Unit Roots: Identification and Testing in Micro Panels

GMM with Many Weak Moment Conditions

GMM for Panel Count Data Models

Assessing Observer Bias in Observational Health Outcome Studies: Clinician and Patient Measures of Benefit and Bayesian Hierarchical Methods

Assessing Selection Bias on Treatment Effects in Observational Studies with Repeated Outcome Measures: Regression, Propensity Scoring, Fixed-Effects Models, and Bayesian Estimation Methods