Variable

Description

Expected sign

GDPi

Egypt’s gross domestic product (constant 2005 US$)

+

GDPj

Trading partner’s gross domestic product (constant 2005 US$)

+

POPj

Trading partner’s population

+/−

OPNj

Trading partner’s openness rate (total trade/real GDP)

+

DISij

Distance between Cairo and trading partner’s capital

LANGij

Dummy variable takes the value 1 when Egypt and its trading partner speak Arabic language, and the value 0 otherwise

+

RTAij

Dummy variable takes the value 1 when Egypt and its trading partner signed regional or free trade agreement, and the value 0 otherwise

+

BORDERij

Dummy variable takes the value 1 when Egypt and its trading partner share common border, and the value 0 otherwise

+