MCQOPTIONS
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				| 1. | 
                                    _ The long run is a$? | 
                            
| A. | Period of three years or longer | 
| B. | Period long enough to allow firms to change plant size and capacity | 
| C. | Period long enough to allow firm to make economic decisions | 
| D. | A period which affects larger than smaller firms | 
| Answer» C. Period long enough to allow firm to make economic decisions | |