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Additional resources for Waste Input-Output Analysis Concepts and Application to Industrial Ecology
5 A Numerical Example of Unit Processes for Rice and Fish Production. 5 Inputs Rice Fish Water Labor Land kg/kg kg/kg m3 /kg h/kg m2 /kg Rice Fish Waste 1 Waste 2 kg/kg kg/kg kg/kg kg/kg Outputs The input of fish into rice is based on the input of fertilizers into rice production taken from . 9. The values for fish production are rough estimates partly based on Japanese IO table. 5 gives a hypothetical numerical example of P1 and P2 . 08 kg of rice for feeding. It is also indicated that, compared to rice production, fish production requires less water and land, but requires a larger amount of labor.
The price of a product that includes these costs is called the purchasers’ price. The purchasers’ price of a product is the actual price that is charged to its users. Write ti j for the sum of trade margin (mark-up) and transport cost associated with the use of product i by sector j. 117) holds. 126) where pi j is the purchaser’s price of product i. There are two issues to be settled with regard to the treatment of trade and transport in IOT. 9 Monetary IO Table with a Direct Representation of Trade and Transport.
The flow of exogenous inputs and total cost are not shown. individual users. Consequently, all the entries that refer to the flow of inputs/outputs among sectors are zero except for those involving the trade and transport sector. Because the provision of information about this inter-sectoral flow is the principal aim of an IOT, this method of directly representing the flow of inputs is not acceptable. Note that this is not specific to a monetary IOT, but holds for a physical IOT as well.