CAPSIM, documentation of model structure and implementation

European Commission Eurostat

Sujets

• Common Agricultural Policy
• Statistics
• Sciences et techniques

Informations

• Publié par: EUROPEAN-COMMISSION-EUROSTAT
• Nombre de lectures: 20
• Langue: English
• Poids de l'ouvrage: 1 Mo

Extrait

ISSN 1725-0714
CAPSIM
Documentation of
Model Structure
and Implementation
THEME
Agriculture
EUROPEAN and
COMMISSION fisheries
2005 EDITIONEurope Direct is a service to help you find answers to your questions about the European Union
Freephone number:
00 800 6 7 8 9 10 11
A great deal of additional information on the European Union is available on the Internet.
It can be accessed through the Europa server (http://europa.eu.int).
Luxembourg: Office for Official Publications of the European Communities, 2005
ISSN 1725-0714
ISBN 92-894-4587-4
© European Communities, 2005

The CAPSIM model and this documentation were developed under
Eurostat contract no. 200163500001 with EuroCARE GmbH, Bonn.

Authors: H.eteritzkendndrea ZintlEuroCARE GmbH, Bonn)

August003,ditorially evisedecember004





CAPSIM - Documentation of Model Structure and
Implementation


Table of contents

1. Introduction...................................................................................................4
2. Model structure and empirical specification .............................................5
2.1 Supply side ................................................................................................................ 7
2.1.1 Conceptual framework.......................................................................................................7
2.1.2 Parameterpec ification....................................................................................................13
2.1.3 Illustrativeesultsr omhecalibration ............................................................................24
2.1.4 Itiveimula tionesults...........................................................................................28
2.2 Consumer demand ................................................................................................. 31
2.2.1 Conceptual framework.....................................................................................................31
2.2.2 Parameterpec ification34
2.2.3 Illustrativeesultsr omhecalibration38
2.3 Processing................................................................................................................ 39
2.3.1 Standardase: Exog enousargins..................................................................................40
2.3.2 Explicitehaviouralfunctions .........................................................................................40
2.3.3 Specialas e: ilk.............................................................................................................41
2.3.4 Specialase: sugar ...........................................................................................................42
2.4 Prices, revenues, and policy................................................................................... 43
2.4.1 Revenuesndpremiums ..................................................................................................43
2.4.2 Sets ide ...........................................................................................................................44
2.4.3 Milk quotas ......................................................................................................................47
2.4.4 Internationalriceransmis sion.......................................................................................47
2.4.5 Intra-EUrice transmission .............................................................................................48
2.4.6 Sugaregime ................................................................................................................... .49
2.5 Market clearing ...................................................................................................... 53
2.5.1 Marketa lances ...............................................................................................................53
2.5.2 Regimesorark etlearing ............................................................................................54
2.5.3 TreatmentfWTOimitsnd grossraden formation....................................................58
2.6 Welfare measures in CAPSIM .............................................................................. 60
2.6.1 Producerelfare ..............................................................................................................6 0
2.6.2 Consumerelfare ............................................................................................................61
2.6.3 Processingndustryelfare .............................................................................................61
2.6.4 Budgetaryalculations.....................................................................................................62
3. Model input .................................................................................................66
3.1 Overview on input options and requirements ..................................................... 66
1 3.2 Consistent framework for physical and monetary database.............................. 68
3.2.1 Consistencye quirements ................................................................................................68
3.2.2 Mainataourcesnd echnicalmplem entation ............................................................72
3.2.3 Specialissue:alancesn milkatnd protein ...............................................................72
3.2.4 Specialssue: nutrientequ irementsnd contents ...........................................................74
3.2.5 Specialssue: c onsumerrices.........................................................................................76
3.2.6 Auxiliaryatafor thease year .......................................................................................82
3.3 Default trends ......................................................................................................... 83
3.3.1 Trendrojections forields .............................................................................................85
3.3.2 Trendrojections forreas ..............................................................................................87
3.3.3 Trendrojectionsor otherariables ...............................................................................90
3.4 Policy variables....................................................................................................... 93
3.4.1 Activityelatedpol icy variables ......................................................................................94
3.4.2 Productelatedariables: pricesnduotas ....................................................................95
3.5 Border prices .......................................................................................................... 97
3.6 Expert data.............................................................................................................. 99
4. Model output .............................................................................................100
4.1 Standard CAPSIM tables .................................................................................... 100
4.2 Selective output tables.......................................................................................... 101
4.3 Integrative output tables...................................................................................... 113
5. Software .....................................................................................................119
5.1 Core model software ............................................................................................ 119
5.1.1 PART I:etefinitions..................................................................................................119
5.1.2 II:atanput.......................................................................................................120
5.1.3 PART III:efineodeltructure andssignase yearata ........................................121
5.1.4 PART IV:nitialssignmentsfxoge nousvariablesorimulationyear...................126
5.1.5 PART V: Simulation......................................................................................................128
5.1.6 PART VI:tore odelesu lts .......................................................................................129
5.2 Auxiliary software used to initialise the model.................................................. 130
6. Options for further development ............................................................132
7. References..................................................................................................134
8. Appendix I: Codes and symbols..............................................................137
8.1 CAPSIM table: Column codes ............................................................................ 137
8.2 CAPSIM table: Row codes .................................................................................. 140
8.3 Sets in CAPSIM.................................................................................................... 144
8.4 Indices in CAPSIM............................................................................................... 145
8.5 Variables in CAPSIM .......................................................................................... 146
8.6 Parameters in CAPSIM ................................................