diff --git a/Makefile b/Makefile
index 71b6927..fe7c222 100644
--- a/Makefile
+++ b/Makefile
@@ -4,13 +4,13 @@ all: output/results_append.tex
 
 investment: $(foreach f,$(INVPROJECTS),output/investment/$(notdir $f))
 
-temp/p-values-trade.csv: temp/shipment-clean.csv analysis/KLD.jl
+output/trade/polya-index.csv: temp/shipment-clean.csv analysis/KLD.jl
 	cd analysis/ && $(JULIA) KLD.jl ../$< ../$@
 output/investment/%.csv: data/investment/%.csv analysis/KLD.jl
 	cd analysis/ && $(JULIA) KLD.jl ../$< ../$@
-output/results_append.tex: analysis/master.do analysis/create_variables.do analysis/run_regression_p.do analysis/graph_p.do output/analysis-sample.dta temp/eu-related-countries.csv temp/p-values-trade.csv
+output/results_append.tex: analysis/master.do analysis/create_variables.do analysis/run_regression_p.do analysis/graph_p.do output/analysis-sample.dta temp/eu-related-countries.csv output/trade/polya-index.csv
 	stata -b do $<
-output/analysis-sample.dta: merge.do temp/po-clean.dta temp/gdp-clean.dta temp/qog-clean.dta temp/gdelt-clean.dta temp/geodist-clean.dta temp/aggregated-clean.dta temp/kld-clean.dta input/un/un.dta temp/p-values-trade.csv
+output/analysis-sample.dta: merge.do temp/po-clean.dta temp/gdp-clean.dta temp/qog-clean.dta temp/gdelt-clean.dta temp/geodist-clean.dta temp/aggregated-clean.dta temp/kld-clean.dta input/un/un.dta output/trade/polya-index.csv
 	stata -b do $<
 temp/po-clean.dta: clean_po.do input/public-opinion/ebs_491.xls
 	stata -b do $<
diff --git a/output/trade/README.md b/output/trade/README.md
new file mode 100644
index 0000000..77452c2
--- /dev/null
+++ b/output/trade/README.md
@@ -0,0 +1,28 @@
+# The Pólya Index of Trade Similarity
+
+## Citation
+Please cite as
+
+> Koren, Miklós, Matteo Fiorini, Filippo Santi and Gergő Závecz. 2020. "The Pólya Index of Trade Similarity" [dataset] https://github.com/ceumicrodata/economic-diplomacy/tree/v1.0/output/trade/
+
+This data is being developed as part of the [RESPECT project](http://respect.eui.eu/) supported by the European Commission. 
+
+> This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 770680.
+
+## Data Availability Statements
+All source data are in the public domain. The data published here, `polya-index.csv`, is licensed under the [Open Database License v1.0](https://opendatacommons.org/licenses/odbl/1-0/).
+
+Data sources:
+
+* Eurostat. 2019. “COMEXT: International Trade in Goods.” [dataset] http://epp.eurostat.ec.europa.eu/newxtweb/mainxtnet.do.
+
+## Manifest
+
+| Variable name     | Description                                   |
+|-------------------|-----------------------------------------------|
+| iso2_o | ISO-3166-1 2-letter code of exporter country |
+| iso2_d | ISO-3166-1 2-letter code of importer country |
+| year | Year in `YYYY` format |
+| p | Pólya Index |
+
+
diff --git a/temp/p-values-trade.csv b/output/trade/polya-index.csv
similarity index 100%
rename from temp/p-values-trade.csv
rename to output/trade/polya-index.csv