production_activities_as_the_core
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production_activities_as_the_core [2019/12/12 09:00] – [Linking production activities and the market] 134.110.34.120 | production_activities_as_the_core [2022/11/07 10:23] (current) – external edit 127.0.0.1 | ||
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The three basic identities linking the different elements of the data base are expressed in mathematical terms as following. The first equation implies that total production or total input use (code in the data base: GROF or gross production/ | The three basic identities linking the different elements of the data base are expressed in mathematical terms as following. The first equation implies that total production or total input use (code in the data base: GROF or gross production/ | ||
- | {{: | + | \begin{equation} |
+ | GROF_j = \sum_j{LEVL_j \cdot IO_j} | ||
+ | \end{equation} | ||
- | $$GROF_j = \sum_j{LEVL_j*IO_j}$$ | ||
The second type of identities refers to the farm and market balances: | The second type of identities refers to the farm and market balances: | ||
- | {{:: | + | \begin{align} |
+ | \begin{split} | ||
+ | GROF_{io}-SEDF_{io}-LOSF_{io}-INTF_{io} & | ||
+ | NETF+IMPT_{io} & | ||
+ | & | ||
+ | & | ||
+ | & | ||
+ | & | ||
+ | \end{split} | ||
+ | \end{align} | ||
The farm balance positions are seed use (SEDF) and losses (LOSF) on farm (only reported for cereals) and internal use on farm (INTF, only reported for manure and young animals). NETF or net trade on farm is hence equal to valued production/ | The farm balance positions are seed use (SEDF) and losses (LOSF) on farm (only reported for cereals) and internal use on farm (INTF, only reported for manure and young animals). NETF or net trade on farm is hence equal to valued production/ | ||
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The third identity defines the value of the EAA in producer prices (EAAP) as sold production or purchased input use (NETF) in physical terms multiplied with the unit valued price (UVAP): | The third identity defines the value of the EAA in producer prices (EAAP) as sold production or purchased input use (NETF) in physical terms multiplied with the unit valued price (UVAP): | ||
- | {{:: | + | \begin{equation} |
+ | EAAP_{io}=UVAP_{io}NETF_{io} | ||
+ | \end{equation} | ||
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**Table 2: Main elements of the CAPRI data base** | **Table 2: Main elements of the CAPRI data base** | ||
+ | ^ ^ Activities | ||
+ | ^ Outputs | ||
+ | ^ Inputs | Input coefficients | Purchases, internal deliveries | Unit value prices from the EAA with and without subsidies and taxes | Value of inputs with or without subsidies and taxes link to input use | | ||
+ | ^ Income indicators | Revenues, costs, Gross Value Added, premiums | | | Total revenues, costs, gross value added, subsidies, taxes | | ||
+ | ^ Activity levels | Hectares, slaughtered heads or herd sizes | | | | | ||
+ | ^ Secondary products | | Marketable production, losses, stock changes, exports and imports, human consumption, | ||
+ |
production_activities_as_the_core.1576141230.txt.gz · Last modified: 2022/11/07 10:23 (external edit)