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pycirk

A python package to model Circular Economy policy and technological interventions in Environmentally Extended Input-Output Analysis starting from SUTs (EXIOBASE V3.3)

10.5281/zenodo.1492957

To cite the use of the software in your research please use the following publication:

"Modeling the circular economy in environmentally extended input-output tables: Methods, software and case study"

https://doi.org/10.1016/j.resconrec.2019.104508

1. Installation

1.1. Stable release

Run in your terminal:0

$ pip install pycirk

1.2. From source

Clone repository:

$ git clone https://[email protected]/CML-IE/pycirk.git

Once you have a copy of the source, you can install it with:

$ python setup.py install

1.3 Data

You can download the biregional or multiregional database by following this link

http://doi.org/10.5281/zenodo.4695823

You need to place the data inside the package e.g. /home/UserName/.local/lib/python3.6/site-packages/pycirk/data

2. Usage

2.1. Import package

import pycirk

2.2. Initialize

my_work = pycirk.Launch(method, directory, aggregation)

2.3. set your scenarios and analysis

  1. Open scenarios.xls in the directory that was specified
  2. From there you can specify interventions and parameters for the analysis
  3. save and continue to the following steps

2.4. Run scenarios

Run one specific scenario

my_work.scenario_results(scen_no, output_dataset) (0 = baseline)

Run all scenarios

my_work.all_results()

2.5. save scenarios

Save your results

my_work.save_results()

2.6. Use from command line

2.6.1. pycirk --help

Usage: pycirk [OPTIONS]

Console script for pycirk. A software to model policy and technological interventions in Environmentally Extended Input-Output Analysis (EXIOBASE V3.3, 2011)

Options:

Command Variables
-tm, --transf_method TEXT 0 = PXP ITA_TC; 1 = PXP ITA_MSC
-dr, --directory TEXT if left black it will be default
-ag, --aggregation 1 = bi-regional (EU-ROW) 0 = None (49 regions)
-sc, --scenario TEXT all, 1, 2,... accepted - 0=baseline
-s, --save TEXT False=no, True=yes
-od, --output_dataset False=no, True=yes
--help Show this message and exit.

2.6.2. Command example

pycirk -tm 0 -dr "" -sc "1" -s True -od False

3. Features

Examples of policies that can be modelled through the software:

  • sharing
  • recycling
  • life extension
  • rebound effects
  • substituion
  • market and value added changes
  • efficiency

The tables in which it is possible to apply changes:

  • total requirement matrix (A)
  • intermediate transactions (Z)
  • final demand (Y)
  • primary inputs (W)
  • emission intermediate extentions (E)
  • material intermediate extensions (M)
  • resource intermediate extensions (R)
  • emission final demand extension (EY)
  • material final demand extension (MY)
  • resource final demand extensions (RY)
  • primary inputs coefficients (w)
  • emission intermediate extentions coefficients (e)
  • material intermediate extensions coefficients (m)
  • resource intermediate extensions coefficients (r)
  • emission final demand extension coefficients (eY)
  • material final demand extension coefficients (mY)
  • resource final demand extensions coefficients (rY)

It is possible to specify:

  • region of the intervention
  • whether the intervention affects domestic, import transactions or both

4. Important modules

4.1. scenarios.xls

From this .xls file it is possible to set different types of interventions and the analysis to perform:

  • matrix = specifies in which matrix of IOT the changes are applied
  • change_type = Primary and ancillary are only used to specify the type of intervention from a conceptual level
  • reg_o or reg_d = Regional coordinates (o=origin or row, d=destination or column)
  • cat_o or cat_d = category (e.g. products or extensions ) coordinates (o=origin or row, d=destination or column)
  • kt = technical coefficient (max achievable technically); a negative value means reduction; unit = %
  • ka = absolute values for addition
  • kp = penetration coefficient (level of market penetration of the policy); unit = %
  • copy = allows you to copy a specific transation to a different point in the matrices (useful for proxy creation)
  • substitution = tells the software whether it needs to substitute values among specified categories
  • sk = which intervention should be substituted
  • swk = Substitution weighing factor (how much of the original transaction should be substituted); allows to simulate difference in prices and physical properties between categories; unit = %

These can be set for:

  • product category e.g. C_STEL (basic iron), C_PULP (pulp), etc.
  • final demand category e.g. F_HOUS (households), F_GOVE (government), etc.
  • primary input category e.g. E_HRHS (employment highly skilled), T_TLSA (taxes less subsidies), etc.
  • emissions extensions e.g. E_CO2_c (CO2 - combustion)
  • material extensions e.g. NI.02 (Nature Inputs: Coking Coal)
  • resource extension e.g. L_1.1 (Land use - Arable Land - Rice)

Furthemore, from the analysis sheet you can set the following variables to be compared in the analysis:

  • product categories
  • primary input categories
  • emissions extensions
  • material extensions
  • resource extensions
  • region of interest
  • impact categories # Please see the data_validation_list sheet in the scenarios.xls file for the comprehensive list

6. Credits

Thanks to dr. Arnold Tukker, dr. Joao Dias Rodrigues for the supervision dr. Arjan de Koning for knowledge support in exiobase dr. Glenn Auguilar Hernandez for testing

This package was created with Cookiecutter and the audreyr/cookiecutter-pypackage project template.