17. a) Distinguish between the population Regression Function (PRF) and the Sample Regression Function (SRF) using appro
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17. a) Distinguish between the population Regression Function (PRF) and the Sample Regression Function (SRF) using appro
17. a) Distinguish between the population Regression Function (PRF) and the Sample Regression Function (SRF) using appropriate diagrams and specifications for each function. (30 marks) b) Outline the Gauss-Markov assumptions associated with the Classical Linear Regression Model (CLRM) and discuss their significance. State any additional assumption that is required for hypotheses testing. (30 marks) c) Consider the following Cobb-Douglas production function: Qe = B.402K where, Q = output level, L = labour input, K = capital input Which functional form should you use to estimate this model? Clearly explain how you would test the hypothesis that there is constant return to scale. (40 marks)
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