diff --git a/.buildlibrary b/.buildlibrary
index 8b6d2e9..ae6e3c8 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '1541463'
+ValidationKey: '1561560'
 AutocreateReadme: yes
 AcceptedWarnings:
 - 'Warning: package ''.*'' was built under R version'
diff --git a/CITATION.cff b/CITATION.cff
index 17994ac..b4961ad 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,8 +2,8 @@ cff-version: 1.2.0
 message: If you use this software, please cite it using the metadata from this file.
 type: software
 title: 'mrtransport: Input data generation for the EDGE-Transport model'
-version: 0.7.7
-date-released: '2024-10-23'
+version: 0.7.8
+date-released: '2024-10-24'
 abstract: The mrtransport package contains data preprocessing for the EDGE-Transport
   model.
 authors:
diff --git a/DESCRIPTION b/DESCRIPTION
index 8df55fa..689a594 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: mrtransport
 Title: Input data generation for the EDGE-Transport model
-Version: 0.7.7
+Version: 0.7.8
 Authors@R: c(
     person("Johanna", "Hoppe", , "johanna.hoppe@pik-potsdam.de", role = c("aut", "cre"),
            comment = c(ORCID = "0009-0004-6753-5090")),
@@ -26,4 +26,4 @@ Imports:
     magrittr,
     quitte,
     data.table
-Date: 2024-10-23
+Date: 2024-10-24
diff --git a/R/calcEdgeTransportSAinputs.R b/R/calcEdgeTransportSAinputs.R
index 7b95cea..e285c40 100644
--- a/R/calcEdgeTransportSAinputs.R
+++ b/R/calcEdgeTransportSAinputs.R
@@ -385,7 +385,7 @@ calcEdgeTransportSAinputs <- function(subtype, SSPscen = "SSP2EU", IEAharm = TRU
       # PSI CAPEX for 4 Wheelers feature only purchase costs - take other capital costs from UCD for EUR regions
       CAPEXraw <- rbind(PSIpurchaseCosts, CAPEXUCD4W, CAPEXcombinedUCD, data$operatingSubsidyUCD)
 
-      GDPpcMERmag <- calcOutput("GDPpc", aggregate = FALSE) |> time_interpolate(highResYears)
+      GDPpcMERmag <- calcOutput("GDPpc", aggregate = FALSE, unit = "constant 2017 US$MER") |> time_interpolate(highResYears)
       GDPpcMERmag <- GDPpcMERmag[, , paste0("gdppc_", SSPscen)]
 
       GDPpcMER <- magpie2dt(GDPpcMERmag, yearcol = "period", regioncol = "region", valcol = "gdppc")[, variable := NULL]
@@ -532,7 +532,7 @@ calcEdgeTransportSAinputs <- function(subtype, SSPscen = "SSP2EU", IEAharm = TRU
       # merge.data.table data
       CAPEXraw <- rbind(CAPEXUCD, data$CAPEXcombinedUCD, data$operatingSubsidyUCD)
 
-      GDPpcMERmag <- calcOutput("GDPpc", aggregate = FALSE) |> time_interpolate(lowResYears)
+      GDPpcMERmag <- calcOutput("GDPpc", aggregate = FALSE, unit = "constant 2017 US$MER") |> time_interpolate(lowResYears)
       GDPpcMERmag <- GDPpcMERmag[, , paste0("gdppc_", SSPscen)]
 
       GDPpcMER <- magpie2dt(GDPpcMERmag, yearcol = "period", regioncol = "region", valcol = "gdppc")[, variable := NULL]
diff --git a/R/toolAdjustCAPEXother.R b/R/toolAdjustCAPEXother.R
index 741df3a..60357c5 100644
--- a/R/toolAdjustCAPEXother.R
+++ b/R/toolAdjustCAPEXother.R
@@ -111,8 +111,10 @@ toolAdjustCAPEXother <- function(dt, ISOcountries, yrs, completeData, GDPpcMER,
   dt[, check := NULL]
 
   #5: Lower the prices for LDW 2 Wheelers depending on the GDP to represent a 2nd hand vehicle market
-  minGDP <- 4000     ## minimum GDPcap after which the linear trend starts
-  maxGDP <- 30000    ## maximum GDPcap marking the level where no factor is implemented
+  convfact <- convertSingle(x = 1, iso3c = "USA",  unit_in = "constant 2005 Int$PPP",
+                            unit_out = mrdrivers::toolGetUnitDollar())
+  minGDP <- 4000 * convfact  ## minimum GDPcap after which the linear trend starts
+  maxGDP <- 30000 * convfact  ## maximum GDPcap marking the level where no factor is implemented
   lowerBound <- 0.3  ## maximum decrease to be applied to the original costs value
 
   GDPpcMER[, factor := ifelse(gdppc < maxGDP & gdppc >  minGDP, (1 - lowerBound) /
diff --git a/README.md b/README.md
index bd30529..47ab584 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Input data generation for the EDGE-Transport model
 
-R package **mrtransport**, version **0.7.7**
+R package **mrtransport**, version **0.7.8**
 
 [![CRAN status](https://www.r-pkg.org/badges/version/mrtransport)](https://cran.r-project.org/package=mrtransport)  [![R build status](https://github.com/pik-piam/mrtransport/workflows/check/badge.svg)](https://github.com/pik-piam/mrtransport/actions) [![codecov](https://codecov.io/gh/pik-piam/mrtransport/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/mrtransport) [![r-universe](https://pik-piam.r-universe.dev/badges/mrtransport)](https://pik-piam.r-universe.dev/builds)
 
@@ -39,7 +39,7 @@ In case of questions / problems please contact Johanna Hoppe <johanna.hoppe@pik-
 
 To cite package **mrtransport** in publications use:
 
-Hoppe J, Muessel J, Dirnaichner A (2024). _mrtransport: Input data generation for the EDGE-Transport model_. R package version 0.7.7, <https://github.com/pik-piam/mrtransport>.
+Hoppe J, Muessel J, Dirnaichner A (2024). _mrtransport: Input data generation for the EDGE-Transport model_. R package version 0.7.8, <https://github.com/pik-piam/mrtransport>.
 
 A BibTeX entry for LaTeX users is
 
@@ -48,7 +48,7 @@ A BibTeX entry for LaTeX users is
   title = {mrtransport: Input data generation for the EDGE-Transport model},
   author = {Johanna Hoppe and Jarusch Muessel and Alois Dirnaichner},
   year = {2024},
-  note = {R package version 0.7.7},
+  note = {R package version 0.7.8},
   url = {https://github.com/pik-piam/mrtransport},
 }
 ```