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#' @export
#' @title A Two-Country General Equilibrium Model
#' @aliases gemInputOutputTable_2_7_4
#' @description A two-country general equilibrium model.
#' This general equilibrium model is based on a two-country (i.e. CHN and ROW) input-output table consisting of an input part and an output part.
#' Each country contains 4 sectors and 7 commodities (or subjects).
#' The 4 sectors are production, consumption, investment and foreign trade.
#' The 7 commodities (or subjects) are product, labor, capital goods, bond, tax, dividend, imported product.
#' Hence the input-output table has 14 rows and 8 columns.
#' @param IT the input part of the input-output table.
#' @param OT the output part of the input-output table.
#' @param es.DIProduct.production.CHN the elasticity of substitution between
#' domestic product and imported product used by the production sector of CHN.
#' @param es.DIProduct.production.ROW the elasticity of substitution between
#' domestic product and imported product used by the production sector of ROW.
#' @param es.laborCapital.production.CHN the elasticity of substitution between
#' labor and capital goods used by the production sector of CHN.
#' @param es.laborCapital.production.ROW the elasticity of substitution between
#' labor and capital goods used by the production sector of ROW.
#' @param es.consumption.CHN the elasticity of substitution between
#' domestic product and imported product used by the consumption sector of CHN.
#' @param es.consumption.ROW the elasticity of substitution between
#' domestic product and imported product used by the consumption sector of ROW.
#' @param es.investment.CHN the elasticity of substitution between
#' domestic product and imported product used by the investment sector of CHN.
#' @param es.investment.ROW the elasticity of substitution between
#' domestic product and imported product used by the investment sector of ROW.
#' @param return.dstl If TRUE, the demand structure tree will be returned.
#' @param ... arguments to be transferred to the function \code{\link{sdm2}}.
#' @return A general equilibrium, which usually is a list with the following elements:
#' \itemize{
#' \item p - the price vector with CHN labor as numeraire.
#' \item dstl - the demand structure tree list of sectors if return.dstl == TRUE.
#' \item ... - some elements returned by the function \code{\link{sdm2}}.
#' }
#' @examples
#' \donttest{
#' IT <- matrix(c(
#' 30, 12, 9, 0, 0, 0, 0, 13,
#' 15, 0, 0, 0, 0, 0, 0, 0,
#' 2, 0, 0, 0, 0, 0, 0, 0,
#' 0, 9, 0, 0, 0, 2, 0, 0,
#' 3, 0, 0, 1, 0, 0, 0, 0,
#' 6, 0, 0, 0, 0, 0, 0, 0,
#' 8, 3, 3, 0, 0, 0, 0, 0,
#' 0, 0, 0, 13, 150, 316, 258, 0,
#' 0, 0, 0, 0, 288, 0, 0, 0,
#' 0, 0, 0, 0, 92, 0, 0, 0,
#' 0, 2, 0, 0, 0, 269, 0, 0,
#' 0, 0, 0, 0, 35, 0, 0, 1,
#' 0, 0, 0, 0, 172, 0, 0, 0,
#' 0, 0, 0, 0, 1, 5, 13, 0
#' ), 14, 8, TRUE)
#'
#' OT <- matrix(c(
#' 64, 0, 0, 0, 0, 0, 0, 0,
#' 0, 15, 0, 0, 0, 0, 0, 0,
#' 0, 2, 0, 0, 0, 0, 0, 0,
#' 0, 0, 11, 0, 0, 0, 0, 0,
#' 0, 3, 0, 0, 0, 0, 0, 0,
#' 0, 6, 0, 0, 0, 0, 0, 0,
#' 0, 0, 0, 13, 0, 0, 0, 0,
#' 0, 0, 0, 0, 738, 0, 0, 0,
#' 0, 0, 0, 0, 0, 288, 0, 0,
#' 0, 0, 0, 0, 0, 92, 0, 0,
#' 0, 0, 0, 0, 0, 0, 271, 0,
#' 0, 0, 0, 0, 0, 36, 0, 0,
#' 0, 0, 0, 0, 0, 172, 0, 0,
#' 0, 0, 0, 0, 0, 0, 0, 14
#' ), 14, 8, TRUE)
#'
#' dimnames(IT) <- dimnames(OT) <- list(
#' c(
#' "product.CHN", "labor.CHN", "capital.CHN", "bond.CHN",
#' "tax.CHN", "dividend.CHN", "imported.product.CHN",
#' "product.ROW", "labor.ROW", "capital.ROW", "bond.ROW",
#' "tax.ROW", "dividend.ROW", "imported.product.ROW"
#' ),
#' c(
#' "production.CHN", "consumption.CHN", "investment.CHN", "foreign.trade.CHN",
#' "production.ROW", "consumption.ROW", "investment.ROW", "foreign.trade.ROW"
#' )
#' )
#'
#' ge <- gemInputOutputTable_2_7_4(IT, OT, return.dstl = TRUE)
#' ge$p
#' ge$z
#' node_plot(ge$dstl[[1]])
#' ge$dstl[[1]]$a
#'
#' #### technology progress in CHN
#' OT.TP <- OT
#' OT.TP["product.CHN", "production.CHN"] <- OT["product.CHN", "production.CHN"] * 1.2
#'
#' ge.TP <- gemInputOutputTable_2_7_4(IT, OT.TP, return.dstl = TRUE)
#' ge.TP$p
#' ge.TP$z
#' ge.TP$dstl[[1]]$a
#'
#' #### capital accumulation in CHN
#' OT.CA <- OT
#' OT.CA["capital.CHN", "consumption.CHN"] <- OT["capital.CHN", "consumption.CHN"] * 2
#'
#' ge.CA <- gemInputOutputTable_2_7_4(IT, OT.CA)
#' ge.CA$p
#' ge.CA$z
#'
#' #### labor supply change in CHN
#' OT.LSC <- OT
#' OT.LSC["labor.CHN", "consumption.CHN"] <- OT["labor.CHN", "consumption.CHN"] * 0.5
#'
#' ge.LSC <- gemInputOutputTable_2_7_4(IT, OT.LSC)
#' ge.LSC$p
#' ge.LSC$z
#'
#' #### tariff rate change in CHN
#' IT.TRC <- IT
#' IT.TRC["tax.CHN","foreign.trade.CHN"] <- IT.TRC["tax.CHN","foreign.trade.CHN"] * 1.2
#' ge.TRC <- gemInputOutputTable_2_7_4(IT.TRC, OT)
#' ge.TRC$p
#' ge.TRC$z
#' }
#'
gemInputOutputTable_2_7_4 <- function(IT, OT,
es.DIProduct.production.CHN = 3,
es.DIProduct.production.ROW = 3,
es.laborCapital.production.CHN = 0.75,
es.laborCapital.production.ROW = 0.75,
es.consumption.CHN = 3,
es.consumption.ROW = 3,
es.investment.CHN = 3,
es.investment.ROW = 3,
return.dstl = FALSE,
...) {
dimnames(IT) <- dimnames(OT) <- list(
c(
"product.CHN", "labor.CHN", "capital.CHN", "bond.CHN",
"tax.CHN", "dividend.CHN", "imported.product.CHN",
"product.ROW", "labor.ROW", "capital.ROW", "bond.ROW",
"tax.ROW", "dividend.ROW", "imported.product.ROW"
),
c(
"production.CHN", "consumption.CHN", "investment.CHN", "foreign.trade.CHN",
"production.ROW", "consumption.ROW", "investment.ROW", "foreign.trade.ROW"
)
)
# exogenous supply --------------------------------------------------------
SExg <- IT * NA
SExg[c("labor.CHN", "dividend.CHN", "tax.CHN", "capital.CHN"), "consumption.CHN"] <-
c(
sum(OT["labor.CHN", ]),
sum(OT["dividend.CHN", ]),
sum(OT["tax.CHN", ]),
sum(OT["capital.CHN", ])
)
SExg[c("labor.ROW", "dividend.ROW", "tax.ROW", "capital.ROW"), "consumption.ROW"] <-
c(
sum(OT["labor.ROW", ]),
sum(OT["dividend.ROW", ]),
sum(OT["tax.ROW", ]),
sum(OT["capital.ROW", ])
)
SExg["bond.CHN", "investment.CHN"] <- sum(OT["bond.CHN", ])
SExg["bond.ROW", "investment.ROW"] <- sum(OT["bond.ROW", ])
# demand structure tree ---------------------------------------------------
# production.CHN ----------------------------------------------------------
dst.production.CHN <- node_new("production.CHN",
type = "Leontief",
a =
c(
sum(IT[c("product.CHN", "imported.product.CHN"), "production.CHN"]),
sum(IT[c("labor.CHN", "capital.CHN", "tax.CHN", "dividend.CHN"), "production.CHN"])
) / OT["product.CHN", "production.CHN"],
"cc1", "cc2"
)
node_set(dst.production.CHN,
"cc1",
type = "SCES",
es = es.DIProduct.production.CHN,
alpha = 1,
beta = prop.table(IT[c("product.CHN", "imported.product.CHN"), "production.CHN"]),
"product.CHN", "imported.product.CHN"
)
node_set(dst.production.CHN,
"cc2",
type = "FIN",
beta = prop.table(c(
sum(IT[c("labor.CHN", "capital.CHN"), "production.CHN"]),
tax.CHN = IT["tax.CHN", "production.CHN"],
dividend.CHN = IT["dividend.CHN", "production.CHN"]
)),
"cc2.1", "tax.CHN", "dividend.CHN"
)
node_set(dst.production.CHN, "cc2.1",
type = "SCES",
es = es.laborCapital.production.CHN,
alpha = 1, # alpha.laborCapital.production.CHN,
beta = prop.table(IT[c("labor.CHN", "capital.CHN"), "production.CHN"]),
"labor.CHN", "capital.CHN"
)
# production.ROW ----------------------------------------------------------
dst.production.ROW <- node_new("production.ROW",
type = "Leontief",
a = c(
sum(IT[c("product.ROW", "imported.product.ROW"), "production.ROW"]),
sum(IT[c("labor.ROW", "capital.ROW", "tax.ROW", "dividend.ROW"), "production.ROW"])
) / OT["product.ROW", "production.ROW"],
"cc1", "cc2"
)
node_set(dst.production.ROW,
"cc1",
type = "SCES",
es = es.DIProduct.production.ROW,
alpha = 1,
beta = prop.table(IT[c("product.ROW", "imported.product.ROW"), "production.ROW"]),
"product.ROW", "imported.product.ROW"
)
node_set(dst.production.ROW,
"cc2",
type = "FIN",
beta = prop.table(c(
sum(IT[c("labor.ROW", "capital.ROW"), "production.ROW"]),
tax.ROW = IT["tax.ROW", "production.ROW"],
dividend.ROW = IT["dividend.ROW", "production.ROW"]
)),
"cc2.1", "tax.ROW", "dividend.ROW"
)
node_set(dst.production.ROW, "cc2.1",
type = "SCES",
es = es.laborCapital.production.ROW,
alpha = 1,
beta = prop.table(IT[c("labor.ROW", "capital.ROW"), "production.ROW"]),
"labor.ROW", "capital.ROW"
)
# consumption.CHN ---------------------------------------------------------
dst.consumption.CHN <- node_new("consumption.CHN",
type = "FIN",
beta = prop.table(c(
sum(IT[c("product.CHN", "imported.product.CHN"), "consumption.CHN"]),
IT["bond.CHN", "consumption.CHN"],
IT["bond.ROW", "consumption.CHN"]
)),
"cc1", "bond.CHN", "bond.ROW"
)
node_set(dst.consumption.CHN, "cc1",
type = "SCES",
es = es.consumption.CHN,
alpha = 1,
beta = prop.table(IT[c("product.CHN", "imported.product.CHN"), "consumption.CHN"]),
"product.CHN", "imported.product.CHN"
)
# consumption.ROW ---------------------------------------------------------
dst.consumption.ROW <- node_new("consumption.ROW",
type = "FIN",
beta = prop.table(c(
sum(IT[c("product.ROW", "imported.product.ROW"), "consumption.ROW"]),
IT["bond.ROW", "consumption.ROW"],
IT["bond.CHN", "consumption.ROW"]
)),
"cc1", "bond.ROW", "bond.CHN"
)
node_set(dst.consumption.ROW, "cc1",
type = "SCES",
es = es.consumption.ROW,
alpha = 1,
beta = prop.table(IT[c("product.ROW", "imported.product.ROW"), "consumption.ROW"]),
"product.ROW", "imported.product.ROW"
)
# investment.CHN ----------------------------------------------------------
dst.investment.CHN <- node_new("investment.CHN",
type = "SCES",
es = es.investment.CHN,
alpha = 1,
beta = prop.table(IT[c("product.CHN", "imported.product.CHN"), "investment.CHN"]),
"product.CHN", "imported.product.CHN"
)
# investment.ROW ----------------------------------------------------------
dst.investment.ROW <- node_new("investment.ROW",
type = "SCES",
es = es.investment.ROW,
alpha = 1,
beta = prop.table(IT[c("product.ROW", "imported.product.ROW"), "investment.ROW"]),
"product.ROW", "imported.product.ROW"
)
# foreign.trade.CHN -------------------------------------------------------
dst.foreign.trade.CHN <- node_new("foreign.trade.CHN",
type = "FIN",
beta = prop.table(c(
IT["product.ROW", "foreign.trade.CHN"],
IT["tax.CHN", "foreign.trade.CHN"]
)),
"product.ROW", "tax.CHN"
)
# foreign.trade.ROW -------------------------------------------------------
dst.foreign.trade.ROW <- node_new("foreign.trade.ROW",
type = "FIN",
beta = prop.table(c(
IT["product.CHN", "foreign.trade.ROW"],
IT["tax.ROW", "foreign.trade.ROW"]
)),
"product.CHN", "tax.ROW"
)
dstl <- list(
dst.production.CHN,
dst.consumption.CHN,
dst.investment.CHN,
dst.foreign.trade.CHN,
dst.production.ROW,
dst.consumption.ROW,
dst.investment.ROW,
dst.foreign.trade.ROW
)
# run sdm2 -----------------------------------------------------------------
ge <- sdm2(
A = dstl,
B = {
B <- IT * 0
B["product.CHN", "production.CHN"] <-
B["imported.product.CHN", "foreign.trade.CHN"] <-
B["product.ROW", "production.ROW"] <-
B["imported.product.ROW", "foreign.trade.ROW"] <- 1
B
},
S0Exg = SExg,
names.commodity = rownames(IT),
names.agent = colnames(IT),
numeraire = "labor.CHN",
priceAdjustmentVelocity = 0.05,
...
)
if (return.dstl) ge$dstl <- dstl
return(ge)
}
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