ERIK BIØRN

Selected recent working papers

• "What Motivates Farm Couples to Seek Off-farm Labour? A Logit Analysis of Job Transitions". Memorandum No. 09/2013. Department of Economics, University of Oslo, 2013 (With Hild-Marte Bjørnsen).

• "Identifying Age-Cohort-Time Effects, Their Curvature and Interactions from Polynomials: Examples Related to Sickness Absence". Memorandum No. 08/2013. Department of Economics, University of Oslo, 2013.

• "Panel Data Dynamics and Measurement Errors: GMM Bias, IV Validity and Model Fit - A Monte Carlo Study". Memorandum No. 27/2012. Department of Economics, University of Oslo, 2012 (With Xuehui Han).

• "New Taxonomies for Limited Dependent Variables Models". Munich Personal RePEc Archive, MPRA Paper No. 41461, 2012 (With Knut R. Wangen).

• "Estimating SUR Systems with Random Coefficients: The Unbalanced Panel Data Case". Memorandum No. 22/2012. Department of Economics, University of Oslo, 2012.

• "An Econometric Market Model of Capital and Investment Inspired by Haavelmo". Memorandum No. 11/2012. Department of Economics, University of Oslo, 2012.

• "The Measurement Error Problem in Dynamic Panel Data Analysis: Modeling and GMM Estimation" Memorandum No. 02/2012. Department of Economics, University of Oslo, 2012.

• "Models of Truncation, Sample Selection, and Limited Dependent Variables: Suggestions for a Common Language" Memorandum No. 18/2011. Department of Economics, University of Oslo, 2011 (With Knut R. Wangen).

• "Quitting Behaviour of Cigarette Smokers. Are there direct effects of a screening program?". Memorandum No. 07/2011. Department of Economics, University of Oslo, 2011 (With Anne Line Bretteville-Jensen and Randi Selmer).

• "Identifying Trend and Age Effects in Sickness Absence from Individual Data: Some Econometric Problems". Memorandum No. 20/2010. Department of Economics, University of Oslo, 2010.

• "The Rise in Absenteeism: Disentangling the Impacts of Cohort, Age and Time". IZA Discussion Paper (DP) No. 5091, 2010 (With Simen Gaure, Simen Markussen and Knut Røed.)

• "Capital Decay and Tax Distortions: How to Abandon Exponential Decay and Benefit from It". Memorandum No. 27/2009. Department of Economics, University of Oslo, 2009.

• "Modelling Addiction in Life-Cycle Models: Revisiting the Treatment of Latent Stocks and Other Unobservables". Memorandum No. 26/2009. Department of Economics, University of Oslo, 2009.

• "Does Quality Influence Choice of General Practitioner? An Analysis of Matched Doctor-Patient Panel Data." Working Paper No. 2008-3. Health Economics Research Programme at the University of Oslo (HERO), 2008 (With Geir Godager.)

• "Measuring and Decomposing Capital Stock and Service Values: Should Capital Quality be Given a Place?" Discussion Paper No. 518, Statistics Norway, 2007.

• "Heterogeneity in Hospitals' Responses to a Financial Reform: A Random Coefficient Analysis of the Impact of Activity-Based Financing on Efficiency." Working Paper No. 2006-9. Health Economics Research Programme at the University of Oslo (HERO), 2006 (With Terje P. Hagen, Tor Iversen and Jon Magnussen.)

• "The Joint Labour Decisions of Farm Couples: A Censored Response Analysis of On-farm and Off-farm Work." Memorandum No. 05/2006. Department of Economics, University of Oslo. (With Hild-Marte Bjørnsen)

• "Constructing Panel Data Estimators by Aggregation: A General Moment Estimator and a Suggested Synthesis." Discussion Paper No. 420, Statistics Norway, 2005.

• "Can Random Coefficient Cobb-Douglas Production Functions Be Aggregated to Similar Macro Functions?" Memorandum No. 22/2004. Department of Economics, University of Oslo. (With Terje Skjerpen and Knut R. Wangen.)

• "Parametric Aggregation of Random Coefficient Cobb-Douglas Production Functions: Evidence from Manufacturing Industries." Discussion Paper No. 342, Statistics Norway, 2003. (With Terje Skjerpen and Knut R. Wangen.)

• "The Effect of Activity-Based Financing on Hospital Efficiency: A Panel Data Analysis of DEA Efficiency Scores 1992-2000." Working Paper No. 2002-8. Health Economics Research Programme at the University of Oslo (HERO), 2002 (With Terje P. Hagen, Tor Iversen and Jon Magnussen.)

• "Drug Injection, Drug Dealing, and the Influence of Economic Factors: A Two-Drug Micro-Econometric Analysis." Working Paper No. 11/2002. Department of Economics, University of Bergen, 2002 (With Anne Line Bretteville-Jensen.)

• "Aggregation and Aggregation Biases in Production Functions: A Panel Data Analysis of Translog Models." Discussion Paper No. 317, Statistics Norway, 2002. (With Terje Skjerpen.)

• "Prevalence and Substitution Effects in Tobacco Consumption: A Discrete Choice Analysis of Panel Data." Discussion Paper No. 312, Statistics Norway, 2001. (With Knut R. Wangen.)

• "The Efficiency of Panel Data Estimators: GLS versus Estimators Which Do Not Depend on Variance Components." Memorandum No. 28/2001. Department of Economics, University of Oslo.

• "Individual Heterogeneity and Price Responses in Tobacco Consumption: A Two-Commodity Analysis of Unbalanced Panel Data." Discussion Paper No. 294, Statistics Norway, 2001. (With Knut R. Wangen.)

• "Estimating Addicts' Price Response of Heroin: A Panel Data Approach Based on a Re-interviewed Sample." Memorandum No. 8/2001. Department of Economics, University of Oslo. (With Anne Line Bretteville-Jensen.)

• "How is Generalized Least Squares Related to Within and Between Estimators in Unbalanced Panel Data?" Memorandum No. 6/2001. Department of Economics, University of Oslo.

• "Heterogeneity in Returns to Scale: A Random Coefficient Analysis with Unbalanced Panel Data." Discussion Paper No. 292, Statistics Norway, 2000. (With Kjersti-Gro Lindquist and Terje Skjerpen.)

• "Micro Data on Capital Inputs: Attempts to Reconcile Stock and Flow Information." Discussion Paper No. 268, Statistics Norway, 2000. (With Kjersti-Gro Lindquist and Terje Skjerpen.)

• "The Rate of Capital Retirement: How is it Related to the Form of the Survival Function and the Investment Growth Path?" Memorandum No. 12/2000. Department of Economics, University of Oslo.

• "Random Coefficients in Regression Equation Systems: The Case with Unbalanced Panel Data." Memorandum No. 27/1999. Department of Economics, University of Oslo.

• "Estimating Regression Systems from Unbalanced Panel Data: A Stepwise Maximum Likelihood Procedure." Memorandum No. 20/1999. Department of Economics, University of Oslo.

• "Random Coefficients and Unbalanced Panels: A Application on Data from Norwegian Chemical Plants." Discussion Paper No. 235, Statistics Norway, 1998. (With Kjersti-Gro Lindquist and Terje Skjerpen.)

• "Panel Data with Measurement Errors: Instrumental Variables and GMM Procedures Combining Levels and Differences." Memorandum No. 19/1998. Department of Economics, University of Oslo.