4. Analog world
• Physical limitations of copying
• Significant cost
• Quality loss
• Concept of »original« makes sense
• Original stands out
• Quality difference, original ≠ copies
• Originals are a finite resource
5. Basic concept of Copyright
• Concerns original form/expression of
literary and artistic works
• Right to commercially exploit creation
• »right to copy«
• Today: bundle of rights
• Granted automatically Form
Expression
• Free of charge
Idea
Concept
WP(en): Copyright
10. Digital world
• No physical limitations for copying
• No quality loss
• Marginal costs close to zero
• Concept of »original« senseless?
• All copies identical (incl. the first)
• Infinite number of copies
• Only obstacle to copying
• Transaction costs of identifying and
contacting recipients
15. Copyright theories
• Utility (R. Posner)
• Maximize net social welfare
• Balance incentive vs. access
• Labor (J. Locke)
• You worked on it, it is yours to control
• Personality (Kant, Hegel)
• Human needs, self expression, honor, ...
• Social Planning Theory (W. Fisher)
• More than social welfare, justice