Input Output

Question 1

What are the two demand driven models?

Answer 1

LCA: consumption –> pollution, impacts

Input-Output: consumption –> jobs, pollution, impacts

Question 2

What is IO?

Answer 2

• Economy wide accounts of flows
• Linear model of the techno sphere
• Value chains add services as a contributor

Question 3

What does IO do?

Answer 3

Allows for the comparison of CO2, carbon footprints, production vs consumption or various regions from an economic perspective

Question 4

What are the physical and monetary units of IO?

Answer 4

• Purchaser, producer, and basic prices
• Short term price fluctuations
• Inflation
• Price heterogeneity
• Physical IO tables

Question 5

Explain the procedure of a hybrid LCA (HLCA)

Answer 5

LCA with smaller boundaries are expanded to include EEIO aggregated data

Question 6

What are common current developments in LCA + IO?

Answer 6

• Social LCA
• Work-related impacts in LCA
• Optimization (linear programming) under constraints
• Database hybridization
• Integration with Material Flow Analysis (MFA) to investigate the transition to a Circular Economy