Evaluate the difference in approach between investment appraisal in the private sector and the public sector respectively and conclude on the effectiveness of the respective approaches.

My modules name is: Strategic Financial Management.I am doing Business and Management with Accounting in final year. Undergraduate
I add my lecture slides about public and private sector.I also attached book parts about private sector.You can use NPV,Payback,IRR,APR for public sector,in other hand,You can use cost benefit analysis ,impact analysis and etc.I already attached lector slides here.
and Harvard reference ,Thanks
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Added on 03.12.2015 20:13
You required to evaluate the difference in approach between investment appraisal in the private sector and the public sector respectively. You should conclude on the effectiveness of the respective approaches.

I require to see a critical review of selected literature appropriately referenced according to the Harvard system. The writing up should use appropriate English academic language.