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picture1_Managerial Economics Notes 126306 | Managerial Economics Lecture Notes


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File: Managerial Economics Notes 126306 | Managerial Economics Lecture Notes
lecture notes managerial economics b econ 300 lucas perin lmperin uw edu managers profits markets overall goal of managers maximizing profits accounting profits total revenues explicit costs economic profits total ...

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                                      Lecture notes 
                           Managerial 
                           Economics 
                           B ECON 300 
                           Lucas Perin (lmperin@uw.edu) 
              Managers, Profits, Markets 
              Overall goal of managers: maximizing profits ( )  
              Accounting profits: Total Revenues – Explicit Costs 
              Economic profits: Total Revenues – Explicit Costs – Implicit Costs = Accounting Profits – 
              Implicit Costs 
              Accounting profits usually overstate economic profits (but make sure you check the baseball 
              example in the book) 
              Opportunity Cost: value of next best foregone alternative 
              Explicit Costs (not owner supplied)            Implicit Costs  
              Cost of resources purchased in the market,     Value of owner-supplied resources 
              taxes                                             -  Value of time of owner-manager 
              Leases                                            -  Forgone returns on owner’s equity 
              Wages                                                capital 
              Capital – plant, machinery, equipment             -  Opportunity cost of using owned 
                                                                   equipment, plant, machinery 
                                                              
               
              Market structure:  market characteristics that determine the economic environment in which a 
              firm operates. Characteristics: 
                    Number and size of firms (size refers to % of industry output supplied) 
                    Degree of product differentiation 
                    Barriers to entry (high vs. low/no barriers to entry) 
              Market power: a firm is said to have market power when it can raise the price of its output 
              without losing all of its sales.  
              Price taker: firm in the industry take the market price for their output as given: must charge the 
              same market price as everyone else or demand will drop nearly to zero. The price-taking firm 
              faces a perfectly elastic (horizontal) firm demand curve.  
              Price setter: a price setting firm has some degree of market power, i.e., some ability of 
              increasing price without losing all sales. The firm faces a downward sloping demand curve. 
               
               
               
               
                              Perfect Competition                             Monopolistic                              Oligopoly                             Monopoly 
                                                                               Competition 
        Market Power                                                                                                                                                   High degree of   
                             No market power                                                                                                                            market power 
         Number and           Large # of small                            Large # of small                          A few firms control                              One firm supplies 
             Size             firms supplying                              firms supplying                                 the bulk of                               the entire industry 
                             small % of output                           small % of output                             industry output                                        output 
                                  No product                               High degree of                                                                                         
           Product                                                                                                         Sometimes 
        Differentiation         differentiation/                                product                                 homogeneous, 
                                homogeneous                                 differentiation                          sometimes different 
          Barriers to         Low barriers to                              Low barriers to                                  Fairly high                               High barriers to 
             Entry                     entry                                      entry                                                                                      entry 
                             
                            Demand, Supply and Market Equilibrium 
                             
                            General demand function  Direct demand function  Inverse demand function  Graph 
                            (Sometimes the inverse demand function is called indirect demand function) 
                            Analogously, 
                            General supply function  Direct supply function  Inverse supply function  Graph 
                            (Sometimes the inverse supply function is called indirect supply function) 
                            Ultimately, the goal is to forecast the new market price and quantity as a result of demand 
                            and/or supply shifts. 
                             
                             
                                                                                   
              The general demand function can be expressed as: 
                                                                  
                                                                  
              Where: 
              P – (own price) price of the good for which we are estimating the demand 
              M – income 
              P  – price of related goods 
                R
                – tastes 
              P  – expected future prices 
                E
              N – number of consumers 
              A linear form of the demand function is: 
                                                                
                                                                        
              Note that the demand function is not necessarily linear, but it will be in most cases in this course 
              and in all cases of this chapter. 
              In the linear equation, b, c, d, e, f are called coefficients and/or slope parameters. 
                
                           
                 
                
                                                                             
                
              Complements in consumption: consume the goods together. 
              Substitutes in consumption: consumers either consume on good or the other good 
                
                                                                                
                
                  
                 
                           
                 
                 
                           
                 
                  
                
                           
                 
               
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...Lecture notes managerial economics b econ lucas perin lmperin uw edu managers profits markets overall goal of maximizing accounting total revenues explicit costs economic implicit usually overstate but make sure you check the baseball example in book opportunity cost value next best foregone alternative not owner supplied resources purchased market taxes time manager leases forgone returns on s equity wages capital plant machinery equipment using owned structure characteristics that determine environment which a firm operates number and size firms refers to industry output degree product differentiation barriers entry high vs low no power is said have when it can raise price its without losing all sales taker take for their as given must charge same everyone else or demand will drop nearly zero taking faces perfectly elastic horizontal curve setter setting has some i e ability increasing downward sloping perfect competition monopolistic oligopoly monopoly large small few control one su...

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