The global space economy grew to $ 304.31 billion in commercial revenue and government budgets in 2012, reflecting growth of 6.7 percent from the 2011 total of $ 285.33 billion.
12.
In 1966 he developed the core-periphery four-stage model of regional development, explaining that " where economic growth is sustained over long time periods, its incidence works towards a progressive integration of the space economy ".
13.
Realizing that the new space economy is being confronted with new challenges, it was felt necessary to establish a new think-tank focusing on commercial space aspects in addition to other space think-tanks, most of them with an emphasis on governmental space activities.
14.
In the same book, Tellier solved that problem for the first time in the triangle case, and he reinterpreted the space economy theory, especially, the theory of land rent, in the light of the concepts of attractive and repulsive forces stemming from the attraction-repulsion problem.
15.
In the same book, he solved that problem for the first time in the triangle case, and he reinterpreted the space economy theory, especially, the theory of land rent, in the light of the concepts of attractive and repulsive forces stemming from the attraction-repulsion problem.
16.
Nonetheless, Walter Isard's first book in 1956, " Location and Space Economy ", apparently captured the imagination of many, and his third, " Methods of Regional Analysis ", published in 1960, only sealed his position as the father of the field.
17.
Isard worked quickly to make regional science widely recognized, publishing three important books over the next four years : " Location and Space Economy " ( 1956 ); " Industrial Complex Analysis and Regional Development " ( 1959 ); and " Methods of Regional Analysis " ( 1960 ).
