# Landlocked 0/1/2
# Islands 0/1/2
Land Border Dummy
1 for Common Language
Dummy for Common Colonizer post 1945
Dummy for Same Nation/Perennial Colonies
Dummy for pairs ever in Colonial Relationship
Dummy for pairs currently in Colonial Relationship
Strict Currency Union
Log of Product of Land Areas
Log of Distance
One country in GATT/WTO
Both countries in GATT/WTO
Neither country in GATT/WTO
GSP Dummy
(mean) bothin
RTA Dummy
NAME
(mean) cpi
real import of homo/hetero goods
log real import by homo/hetero
1995 vol_spn
1996 vol_spn
1997 vol_spn
1998 vol_spn
1995 vol_spr
1996 vol_spr
1997 vol_spr
1998 vol_spr
1990 vol_spr
1991 vol_spr
1992 vol_spr
1993 vol_spr
1995 vol_son
1996 vol_son
1997 vol_son
1998 vol_son
1999 vol_son
2000 vol_son
1995 vol_sor
1996 vol_sor
1997 vol_sor
1998 vol_sor
1999 vol_sor
2000 vol_sor
group(year)
Log of real per capita GDP product
Log of real GDP product