Before revision:  Here we demonstrate that geography /climate variables satisfactorily explain the worldwide economic activity as measured by the per capita Gross Cell Product (GCP-PC) at a high geographical resolution, typically much higher than country average.
After revision:  Here we demonstrate that geography and climate satisfactorily explain worldwide economic activity as measured by the per capita Gross Cell Product (GCP-PC) at a high geographical resolution, typically much higher than country average.