Table 2.

Description of data characteristics and sources.

Variable	Description	Source
WUE	Water use efficiency scores	DDF calculated by the authors
URB	Urbanization (total urban population)	WDI
IND	Industry (value added, constant 2010 US$)	WDI
FDI	Foreign direct investment (Net inflows %)	WDI
EX	Export of goods and services (constant 2010 US$)	WDI
EDU	Literacy rate (% cumulative)	WDI
COR	Corruption (CPI %)	TI

Note: WDI indicates World Development Indicators; CPI is corruption perception index, TI is Transparency International.