4 24 07 23 text

Page 1

Energy Accounting and Impact Assessment Methods Academic Year 2022-2023 - Exam 4 – 24-07-2023 MS Forms: https://forms.office.com/e/p3EkHp89Gt Question A (3 points) Explain the difference between basic, producer and purchaser prices. Question B (4 points) Describe a taxonomy of possible shocks to be implemented into an Input-Output framework. Support your answer with analytical and graphical representation of shocks type. Problem A (8 points) A single region supply and use table for Italy is given (excel file, tab “Problem A”). Let us consider an investment towards the installation of rooftop PV panels by the “Production of services” activity. Such investment corresponds to 100 billion € of “Goods” products and 25 billion € of “Services” and allows to replace 5% of the electricity from fossil fuels in the national mix. It is requested to: 1. Calculate the total demand by product and the total activity by technology for the baseline system based on Leontief production model, selecting and justifying a technology assumption. (2 pt) 2. Derive the product-by-product Leontief matrix for the given system, and briefly discuss the meaning of elements in its first column. (2 pt) 3. Implement the policy shock above on the given system. Describe the analytical procedure to apply the shock and assess the relative % change in total products demand and total technologies activity. (2 pt) 4. Assess the prospective impact of the policy shock on CO2 emissions and Labor according to a Production-Based accounting principle. (2 pt) Problem B (10 points) Imagine a steel production system consisting of three components: a natural gas extraction site, a power plant, and a steel furnace. • The steel furnace consumes 37.5 kg of natural gas and 500 kWh of electricity per ton of steel produced as…