Economics Asked on May 14, 2021
I have a question regarding the results and its transformations received from prodest package estimation. So, the dataset is available here https://drive.google.com/file/d/1aedWYABus1fQjKWxkOmYOmxv-qSja7hF/view?usp=sharing. My code is the following:
remove(list=ls())
library(plm)
library(dplyr)
library(ggplot2)
library(prodest)
library(estprod)
library(broom)
library(pdynmc)
pckg<-c("plm","readxl","dplyr","ggplot2", "broom","prodest", "estprod")
install.packages(c("plm","readxl","dplyr","ggplot2", "broom","prodest", "estprod"))
lapply(pckg, require, character.only = TRUE)
# Set the working directory
setwd("C:/Users/vadya/Desktop/baka")
# Downloading the survey data
Data <- read.csv("LV.csv", header=TRUE, sep=",")
str(Data)
Data$ID<-as.numeric(as.factor(Data$ID))
summary(Data)
# Creating a panel data frame
PData <- pdata.frame(Data, index = c("ID","Year"))
pdim(PData)
pvar(PData)
DataA <- Data %>%
filter(NACE == 'A' & Year < 2014) %>%
filter(VA > 0, L > 0, K > 0, M > 0) %>%
select(ID, Year, L, VA, K, M) %>%
summarise(ID = ID,
Year = Year,
l = log(L),
va = log(VA),
k = log(K),
m = log(M))
####################################################################################################################################
mod2LP <- prodest::prodestLP(DataA$va, fX = DataA$l, sX = DataA$k, pX = DataA$m, idvar = DataA$ID, timevar = DataA$Year,
R = 100, cX = NULL, opt = "optim", theta0 = NULL, cluster = NULL, tol = 1e-100, exit = FALSE)
mod2LP
omegaLP <- prodest::omega(mod2LP)
summary(mod2LP)
summary(omegaLP)
mod2OP <- prodest::prodestOP(DataA$va, fX = DataA$l, sX = DataA$k, pX = DataA$m, idvar = DataA$ID, timevar = DataA$Year,
R = 100, cX = NULL, opt = "optim", theta0 = NULL, cluster = NULL, tol = 1e-100, exit = FALSE)
mod2OP
omegaOP <- prodest::omega(mod2OP)
summary(mod2OP)
summary(omegaOP)
mod2ACF <- prodest::prodestACF(DataA$va, fX = DataA$l, sX = DataA$k, pX = DataA$m, idvar = DataA$ID, timevar = DataA$Year,
R = 100, cX = NULL, opt = 'optim', theta0 = NULL, cluster = NULL)
mod2ACF
omegaACF <- prodest::omega(mod2ACF)
summary(mod2ACF)
summary(omegaACF)
mod2W <- prodest::prodestWRDG_GMM(DataA$va, fX = DataA$l, sX = DataA$k, pX = DataA$m, idvar = DataA$ID, timevar = DataA$Year,
cX = NULL, tol = 1e-100)
mod2W
omegaW <- prodest::omega(mod2W)
summary(mod2W)
summary(omegaW)
####################################################################################################################################
After using the omega function I receive the summary statistics of the TFP estimation. However, if I want to assign this omega function output to another object, I end up with matrix of randomly assigned numbers (I guess so). Hence, the problem is that my dataset is from 2011 till 2019, and I need to get the change of the TFP YoY or, basically the growth of it for each entity separately YoY. Would really much appreciate your suggestions since I tried a lot of things (including changing the overall function prodest in order to get the TFP assigned to each firm in each year, but nothing really helped).
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