Dustmann and Preston (2001) suggest that even if the location decision of individuals is endogenous when geographically small areas are considered, the endogeneity problem decreases with the geographical size of the area considered.
And there are, of course, enormous differences in terms of geographical size and population sparsity.
-How might the geographical size of a country affect its ability to respond to a disaster?
Geographical size not only influences how countries view themselves; it also determines how they interact.
ZIP-code areas vary in geographical size and housing density, and the 10021 area on the Upper East Side is far larger than the 10023 area on the West Side.
"The length of the pilot and the geographical size of the pilot were not big enough to really tell how feasible it was," Mr. Hazan said.
Treating the Pearl River Delta as a single urban area, it is now bigger than Tokyo in terms of geographical size and population.
But however birth rates and migration patterns change, America's geographical size will be a huge advantage.
A walled enclave in the Italian capital of Rome, the Vatican occupies just 110 acres – a geographical size that makes it the smallest state in the world.
While Iowa looks small on the map, it is actually slightly bigger than England in geographical size, but has 1/20th of the population.
