This is a draft cheat sheet. It is a work in progress and is not finished yet.
                    
        
                
        
            
                                
            
                
                                                | Market Failure
                        
                                                                                    
                                                                                            | where the free market does not make the best use of scarce resources. |  
                                                                                            | - where the outcomes of a free market differ from the socially optimal outcomes. |  When does 'Market Failure' occur?
                        
                                                                                    
                                                                                            | occurs when the free market fails to efficiently allocate goods and services. |  Reasons for Market Failure
                        
                                                                                    
                                                                                            | 1. Externalities |  
                                                                                            | 2. Public Goods |  
                                                                                            | 3. Asymmetric Information |  
                                                                                            | 4. Abuse of Market Power |  |  | Externalities
                        
                                                                                    
                                                                                            | 1. Positive Externality | where the side effects have a positive impact and provide benefits to third parties. |  
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                                                                                            | 2. Negative Externality | where the side effects have a negative impact and impose costs to third parties. |  Reasons of Market Failure: Externalities
                        
                                                                                    
                                                                                            | MSC (marginal social cost) is above the MPC (marginal private cost). |  
                                                                                            |  |  
                                                                                            |  | - MPC is the Supply Curve  and  DD is the demand curve |  
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                                                                                            | Equilibrium: Supply = Demand |  
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                                                                                            | Social Optimum output level is achieved at Q’ where MSC = DD = MSB |  |  | SC of Production & SB of Consumption
                        
                                                                                    
                                                                                            | Social Cost (SC) of Production |  
                                                                                            | SC = | Private cost incurred by the firm (PC)+ Externalities |  
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                                                                                            | Social Benefit (SB) of Consumption |  
                                                                                            | SB = | Private benefit enjoyed by consumers+ Externalities |  |